./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_codestructure_steplocals_file-82.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 b44fb0749d51a8c248564643eb33583e863d90b72cf3676322722ea3464135a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 23:25:47,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 23:25:47,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 23:25:47,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 23:25:47,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 23:25:47,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 23:25:47,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 23:25:47,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 23:25:47,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 23:25:47,859 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 23:25:47,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 23:25:47,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 23:25:47,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 23:25:47,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 23:25:47,860 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 23:25:47,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 23:25:47,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 23:25:47,861 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 23:25:47,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 23:25:47,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 23:25:47,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 23:25:47,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 23:25:47,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 23:25:47,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 23:25:47,862 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 23:25:47,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 23:25:47,862 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 23:25:47,862 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 23:25:47,862 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 23:25:47,862 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 23:25:47,862 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 23:25:47,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 23:25:47,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:25:47,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 23:25:47,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 23:25:47,863 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 23:25:47,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 23:25:47,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 23:25:47,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 23:25:47,863 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 23:25:47,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 23:25:47,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 23:25:47,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 23:25:47,863 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 -> b44fb0749d51a8c248564643eb33583e863d90b72cf3676322722ea3464135a9 [2025-03-16 23:25:48,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 23:25:48,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 23:25:48,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 23:25:48,094 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 23:25:48,094 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 23:25:48,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-82.i [2025-03-16 23:25:49,235 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d464fe9c/ce8b3359140d49cabba95c2fe1135e49/FLAGf9f432d84 [2025-03-16 23:25:49,474 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 23:25:49,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-82.i [2025-03-16 23:25:49,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d464fe9c/ce8b3359140d49cabba95c2fe1135e49/FLAGf9f432d84 [2025-03-16 23:25:49,804 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d464fe9c/ce8b3359140d49cabba95c2fe1135e49 [2025-03-16 23:25:49,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 23:25:49,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 23:25:49,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 23:25:49,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 23:25:49,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 23:25:49,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:25:49" (1/1) ... [2025-03-16 23:25:49,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e951e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:49, skipping insertion in model container [2025-03-16 23:25:49,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:25:49" (1/1) ... [2025-03-16 23:25:49,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 23:25:49,929 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_codestructure_steplocals_file-82.i[917,930] [2025-03-16 23:25:49,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:25:49,971 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 23:25:49,978 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_codestructure_steplocals_file-82.i[917,930] [2025-03-16 23:25:49,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:25:50,003 INFO L204 MainTranslator]: Completed translation [2025-03-16 23:25:50,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50 WrapperNode [2025-03-16 23:25:50,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 23:25:50,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 23:25:50,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 23:25:50,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 23:25:50,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,031 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2025-03-16 23:25:50,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 23:25:50,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 23:25:50,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 23:25:50,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 23:25:50,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,053 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]. [2025-03-16 23:25:50,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,057 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 23:25:50,061 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 23:25:50,061 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 23:25:50,061 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 23:25:50,062 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (1/1) ... [2025-03-16 23:25:50,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:25:50,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 23:25:50,090 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) [2025-03-16 23:25:50,093 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 [2025-03-16 23:25:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 23:25:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-16 23:25:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-16 23:25:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 23:25:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 23:25:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 23:25:50,171 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 23:25:50,172 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 23:25:50,381 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-16 23:25:50,381 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 23:25:50,389 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 23:25:50,389 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 23:25:50,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:25:50 BoogieIcfgContainer [2025-03-16 23:25:50,390 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 23:25:50,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 23:25:50,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 23:25:50,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 23:25:50,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 11:25:49" (1/3) ... [2025-03-16 23:25:50,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4b62e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:25:50, skipping insertion in model container [2025-03-16 23:25:50,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:50" (2/3) ... [2025-03-16 23:25:50,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4b62e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:25:50, skipping insertion in model container [2025-03-16 23:25:50,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:25:50" (3/3) ... [2025-03-16 23:25:50,397 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-82.i [2025-03-16 23:25:50,407 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 23:25:50,409 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-82.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 23:25:50,454 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 23:25:50,462 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;@f9dad24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 23:25:50,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 23:25:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-16 23:25:50,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-16 23:25:50,473 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:25:50,473 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:25:50,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:25:50,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:25:50,477 INFO L85 PathProgramCache]: Analyzing trace with hash 206942291, now seen corresponding path program 1 times [2025-03-16 23:25:50,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 23:25:50,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079216096] [2025-03-16 23:25:50,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:25:50,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 23:25:50,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-16 23:25:50,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-16 23:25:50,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:25:50,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:25:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2025-03-16 23:25:50,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 23:25:50,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079216096] [2025-03-16 23:25:50,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079216096] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-16 23:25:50,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263152960] [2025-03-16 23:25:50,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:25:50,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 23:25:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 23:25:50,729 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) [2025-03-16 23:25:50,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 23:25:50,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-16 23:25:50,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-16 23:25:50,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:25:50,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:25:50,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 23:25:50,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 23:25:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2025-03-16 23:25:50,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 23:25:50,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263152960] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 23:25:50,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-16 23:25:50,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-16 23:25:50,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3386164] [2025-03-16 23:25:50,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 23:25:50,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 23:25:50,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 23:25:50,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 23:25:50,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:25:50,939 INFO L87 Difference]: Start difference. First operand has 66 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-16 23:25:50,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 23:25:50,955 INFO L93 Difference]: Finished difference Result 129 states and 229 transitions. [2025-03-16 23:25:50,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 23:25:50,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 162 [2025-03-16 23:25:50,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 23:25:50,962 INFO L225 Difference]: With dead ends: 129 [2025-03-16 23:25:50,962 INFO L226 Difference]: Without dead ends: 64 [2025-03-16 23:25:50,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:25:50,966 INFO L435 NwaCegarLoop]: 98 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, 98 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 [2025-03-16 23:25:50,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 23:25:50,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-03-16 23:25:50,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-03-16 23:25:50,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-16 23:25:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 98 transitions. [2025-03-16 23:25:50,993 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 98 transitions. Word has length 162 [2025-03-16 23:25:50,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 23:25:50,993 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 98 transitions. [2025-03-16 23:25:50,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-16 23:25:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2025-03-16 23:25:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-16 23:25:50,995 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:25:50,996 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:25:51,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-16 23:25:51,196 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 [2025-03-16 23:25:51,196 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:25:51,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:25:51,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2064769586, now seen corresponding path program 1 times [2025-03-16 23:25:51,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 23:25:51,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30855179] [2025-03-16 23:25:51,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:25:51,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 23:25:51,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-16 23:25:51,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-16 23:25:51,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:25:51,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 23:25:51,339 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 23:25:51,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-16 23:25:51,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-16 23:25:51,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:25:51,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 23:25:51,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 23:25:51,480 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 23:25:51,481 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 23:25:51,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 23:25:51,484 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-16 23:25:51,567 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 23:25:51,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:25:51 BoogieIcfgContainer [2025-03-16 23:25:51,570 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 23:25:51,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 23:25:51,571 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 23:25:51,571 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 23:25:51,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:25:50" (3/4) ... [2025-03-16 23:25:51,573 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 23:25:51,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 23:25:51,574 INFO L158 Benchmark]: Toolchain (without parser) took 1768.34ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 52.8MB in the end (delta: 60.3MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2025-03-16 23:25:51,575 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 23:25:51,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.29ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 99.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 23:25:51,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.76ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 96.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 23:25:51,575 INFO L158 Benchmark]: Boogie Preprocessor took 28.68ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 23:25:51,575 INFO L158 Benchmark]: IcfgBuilder took 328.54ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 75.2MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 23:25:51,575 INFO L158 Benchmark]: TraceAbstraction took 1178.74ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 52.9MB in the end (delta: 21.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2025-03-16 23:25:51,576 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 52.8MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 23:25:51,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.29ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 99.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.76ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 96.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.68ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 94.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 328.54ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 75.2MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1178.74ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 52.9MB in the end (delta: 21.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 52.8MB in the end (delta: 27.1kB). 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 someBinaryArithmeticDOUBLEoperation at line 50, overapproximation of someBinaryArithmeticDOUBLEoperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 136, overapproximation of someBinaryDOUBLEComparisonOperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] unsigned char var_1_2 = 8; [L24] unsigned char var_1_3 = 4; [L25] double var_1_4 = 5.5; [L26] float var_1_5 = 49.2; [L27] double var_1_6 = 15.1; [L28] double var_1_7 = 49.5; [L29] double var_1_8 = 999999999999.4; [L30] double var_1_9 = 255.3; [L31] unsigned char var_1_10 = 1; [L32] unsigned char var_1_11 = 0; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] signed long int var_1_14 = -16; [L36] signed long int var_1_15 = 25; [L37] signed long int var_1_16 = -8; [L38] signed long int var_1_17 = 1000000000; [L39] signed long int var_1_18 = 256; [L40] signed long int var_1_19 = 25; [L41] signed long int var_1_20 = 4; [L42] unsigned char var_1_21 = 1; [L43] unsigned char var_1_22 = 0; [L44] signed long int var_1_23 = 50; [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L91] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L91] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_3=4, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L94] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L94] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_4=11/2, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L96] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L97] var_1_5 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L98] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_6=151/10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L99] var_1_6 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L100] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L101] var_1_8 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L102] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L103] var_1_9 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L104] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L105] var_1_11 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L106] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L107] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L107] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L108] var_1_12 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L109] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L110] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L110] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L111] var_1_13 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L112] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L113] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L113] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L114] var_1_15 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_15 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L115] RET assume_abort_if_not(var_1_15 >= -1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L116] CALL assume_abort_if_not(var_1_15 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L116] RET assume_abort_if_not(var_1_15 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L117] var_1_17 = __VERIFIER_nondet_long() [L118] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L118] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L119] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L119] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L120] var_1_18 = __VERIFIER_nondet_long() [L121] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L121] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L122] CALL assume_abort_if_not(var_1_18 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L122] RET assume_abort_if_not(var_1_18 <= 536870911) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L123] var_1_19 = __VERIFIER_nondet_long() [L124] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L124] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L125] CALL assume_abort_if_not(var_1_19 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L125] RET assume_abort_if_not(var_1_19 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L126] var_1_20 = __VERIFIER_nondet_long() [L127] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L127] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L128] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L128] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L129] var_1_22 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L130] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L131] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L131] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L144] RET updateVariables() [L145] CALL step() [L48] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=-1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_1=54/5, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_2=-1, var_1_7=99/2] [L49] COND TRUE stepLocal_0 == var_1_3 [L50] var_1_1 = (var_1_4 - 4.531) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_2=-1, var_1_3=255, var_1_7=99/2] [L58] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) [L59] var_1_10 = (var_1_11 && (var_1_12 || var_1_13)) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_2=-1, var_1_3=255] [L60] COND FALSE !(var_1_8 <= ((((var_1_4) > ((var_1_6 + var_1_5))) ? (var_1_4) : ((var_1_6 + var_1_5))))) [L67] var_1_14 = var_1_2 VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=255, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_2=-1, var_1_3=255] [L69] COND TRUE var_1_8 <= (((((var_1_5 * 1.25)) > ((var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((var_1_7 * var_1_9)))) [L70] var_1_16 = ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_2) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=255, var_1_15=1073741823, var_1_16=259, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_2=-1, var_1_3=255] [L76] signed long int stepLocal_1 = var_1_14; VAL [isInitial=1, stepLocal_1=255, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=255, var_1_15=1073741823, var_1_16=259, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_20=251, var_1_21=1, var_1_22=1, var_1_23=50, var_1_2=-1, var_1_3=255] [L77] COND FALSE !(((50 / -10) + var_1_16) >= stepLocal_1) [L84] var_1_21 = var_1_11 VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=255, var_1_15=1073741823, var_1_16=259, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_20=251, var_1_21=-255, var_1_22=1, var_1_23=50, var_1_2=-1, var_1_3=255] [L86] var_1_23 = var_1_2 [L145] RET step() [L146] CALL, EXPR property() [L136-L137] return (((((((var_1_2 == var_1_3) ? (var_1_1 == ((double) (var_1_4 - 4.531))) : (((var_1_4 - var_1_5) > var_1_6) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) var_1_4)))) && (var_1_7 == ((double) (var_1_4 - (var_1_8 + var_1_9))))) && (var_1_10 == ((unsigned char) (var_1_11 && (var_1_12 || var_1_13))))) && ((var_1_8 <= ((((var_1_4) > ((var_1_6 + var_1_5))) ? (var_1_4) : ((var_1_6 + var_1_5))))) ? (var_1_10 ? (var_1_14 == ((signed long int) (var_1_15 + (8 + var_1_3)))) : (var_1_14 == ((signed long int) -256))) : (var_1_14 == ((signed long int) var_1_2)))) && ((var_1_8 <= (((((var_1_5 * 1.25)) > ((var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((var_1_7 * var_1_9))))) ? (var_1_16 == ((signed long int) ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_2) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : ((var_1_4 <= var_1_7) ? (var_1_16 == ((signed long int) var_1_17)) : 1))) && ((((50 / -10) + var_1_16) >= var_1_14) ? (var_1_13 ? (var_1_21 == ((unsigned char) (var_1_11 && var_1_22))) : (var_1_21 == ((unsigned char) var_1_11))) : (var_1_21 == ((unsigned char) var_1_11)))) && (var_1_23 == ((signed long int) var_1_2)) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=255, var_1_15=1073741823, var_1_16=259, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_20=251, var_1_21=-255, var_1_22=1, var_1_23=255, var_1_2=-1, var_1_3=255] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=0, var_1_13=1, var_1_14=255, var_1_15=1073741823, var_1_16=259, var_1_17=536870911, var_1_18=536870911, var_1_19=251, var_1_20=251, var_1_21=-255, var_1_22=1, var_1_23=255, var_1_2=-1, var_1_3=255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 129 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 98 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 322 SizeOfPredicates, 0 NumberOfNonLiveVariables, 365 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2756/2808 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 [2025-03-16 23:25:51,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_codestructure_steplocals_file-82.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 b44fb0749d51a8c248564643eb33583e863d90b72cf3676322722ea3464135a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 23:25:53,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 23:25:53,482 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 23:25:53,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 23:25:53,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 23:25:53,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 23:25:53,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 23:25:53,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 23:25:53,507 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 23:25:53,507 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 23:25:53,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 23:25:53,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 23:25:53,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 23:25:53,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 23:25:53,507 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 23:25:53,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 23:25:53,508 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 23:25:53,509 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 23:25:53,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 23:25:53,509 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 23:25:53,509 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 23:25:53,509 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 23:25:53,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 23:25:53,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 23:25:53,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 23:25:53,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:25:53,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 23:25:53,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 23:25:53,510 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 23:25:53,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 23:25:53,510 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 23:25:53,510 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 23:25:53,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 23:25:53,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 23:25:53,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 23:25:53,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 23:25:53,510 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 -> b44fb0749d51a8c248564643eb33583e863d90b72cf3676322722ea3464135a9 [2025-03-16 23:25:53,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 23:25:53,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 23:25:53,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 23:25:53,716 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 23:25:53,716 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 23:25:53,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-82.i [2025-03-16 23:25:54,894 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed2447c33/14ebbf4883b343f58da3983d6c12656e/FLAG0e4e11e4d [2025-03-16 23:25:55,096 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 23:25:55,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-82.i [2025-03-16 23:25:55,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed2447c33/14ebbf4883b343f58da3983d6c12656e/FLAG0e4e11e4d [2025-03-16 23:25:55,458 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed2447c33/14ebbf4883b343f58da3983d6c12656e [2025-03-16 23:25:55,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 23:25:55,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 23:25:55,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 23:25:55,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 23:25:55,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 23:25:55,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689a1998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55, skipping insertion in model container [2025-03-16 23:25:55,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 23:25:55,578 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_codestructure_steplocals_file-82.i[917,930] [2025-03-16 23:25:55,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:25:55,639 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 23:25:55,648 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_codestructure_steplocals_file-82.i[917,930] [2025-03-16 23:25:55,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:25:55,682 INFO L204 MainTranslator]: Completed translation [2025-03-16 23:25:55,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55 WrapperNode [2025-03-16 23:25:55,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 23:25:55,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 23:25:55,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 23:25:55,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 23:25:55,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,724 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2025-03-16 23:25:55,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 23:25:55,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 23:25:55,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 23:25:55,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 23:25:55,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,745 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]. [2025-03-16 23:25:55,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,753 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 23:25:55,762 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 23:25:55,762 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 23:25:55,762 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 23:25:55,763 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (1/1) ... [2025-03-16 23:25:55,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:25:55,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 23:25:55,788 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) [2025-03-16 23:25:55,791 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 [2025-03-16 23:25:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 23:25:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 23:25:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-16 23:25:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-16 23:25:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 23:25:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 23:25:55,863 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 23:25:55,864 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 23:26:12,265 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-16 23:26:12,265 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 23:26:12,272 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 23:26:12,274 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 23:26:12,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:26:12 BoogieIcfgContainer [2025-03-16 23:26:12,274 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 23:26:12,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 23:26:12,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 23:26:12,280 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 23:26:12,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 11:25:55" (1/3) ... [2025-03-16 23:26:12,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c86f59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:26:12, skipping insertion in model container [2025-03-16 23:26:12,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:25:55" (2/3) ... [2025-03-16 23:26:12,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c86f59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:26:12, skipping insertion in model container [2025-03-16 23:26:12,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:26:12" (3/3) ... [2025-03-16 23:26:12,283 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-82.i [2025-03-16 23:26:12,292 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 23:26:12,293 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-82.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 23:26:12,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 23:26:12,338 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;@11b7b610, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 23:26:12,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 23:26:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-16 23:26:12,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-16 23:26:12,351 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:26:12,351 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:26:12,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:26:12,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:26:12,355 INFO L85 PathProgramCache]: Analyzing trace with hash 206942291, now seen corresponding path program 1 times [2025-03-16 23:26:12,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 23:26:12,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706798320] [2025-03-16 23:26:12,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:26:12,362 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 [2025-03-16 23:26:12,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 23:26:12,365 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) [2025-03-16 23:26:12,385 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 [2025-03-16 23:26:12,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-16 23:26:12,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-16 23:26:12,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:26:12,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:26:12,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 23:26:12,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 23:26:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 628 proven. 0 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2025-03-16 23:26:12,987 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 23:26:12,987 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 23:26:12,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706798320] [2025-03-16 23:26:12,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706798320] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 23:26:12,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 23:26:12,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 23:26:12,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848706359] [2025-03-16 23:26:12,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 23:26:12,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 23:26:12,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 23:26:13,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 23:26:13,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:26:13,005 INFO L87 Difference]: Start difference. First operand has 66 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-16 23:26:13,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 23:26:13,022 INFO L93 Difference]: Finished difference Result 129 states and 229 transitions. [2025-03-16 23:26:13,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 23:26:13,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 162 [2025-03-16 23:26:13,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 23:26:13,029 INFO L225 Difference]: With dead ends: 129 [2025-03-16 23:26:13,029 INFO L226 Difference]: Without dead ends: 64 [2025-03-16 23:26:13,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:26:13,035 INFO L435 NwaCegarLoop]: 98 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, 98 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 [2025-03-16 23:26:13,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 23:26:13,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-03-16 23:26:13,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-03-16 23:26:13,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-16 23:26:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 98 transitions. [2025-03-16 23:26:13,073 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 98 transitions. Word has length 162 [2025-03-16 23:26:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 23:26:13,073 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 98 transitions. [2025-03-16 23:26:13,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-16 23:26:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2025-03-16 23:26:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-16 23:26:13,077 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:26:13,078 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:26:13,099 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-03-16 23:26:13,278 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 [2025-03-16 23:26:13,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:26:13,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:26:13,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2064769586, now seen corresponding path program 1 times [2025-03-16 23:26:13,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 23:26:13,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315669808] [2025-03-16 23:26:13,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:26:13,280 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 [2025-03-16 23:26:13,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 23:26:13,282 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) [2025-03-16 23:26:13,284 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 [2025-03-16 23:26:13,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-16 23:26:23,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-16 23:26:23,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:26:23,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:26:23,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-03-16 23:26:23,773 INFO L279 TraceCheckSpWp]: Computing forward predicates...