./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_variablewrapping_normal_file-60.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 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:56:50,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:56:50,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-04 00:56:50,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:56:50,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:56:50,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:56:50,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:56:50,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:56:50,430 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:56:50,430 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:56:50,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:56:50,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:56:50,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:56:50,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:56:50,430 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:56:50,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:56:50,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:56:50,431 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:56:50,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 00:56:50,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:56:50,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:56:50,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:56:50,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:56:50,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:56:50,432 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:56:50,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:56:50,433 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:56:50,433 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:56:50,433 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:56:50,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:56:50,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:56:50,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:56:50,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:56:50,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:56:50,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:56:50,434 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:56:50,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:56:50,434 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 00:56:50,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 00:56:50,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:56:50,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:56:50,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:56:50,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:56:50,434 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 -> 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 [2025-03-04 00:56:50,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:56:50,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:56:50,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:56:50,676 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:56:50,676 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:56:50,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2025-03-04 00:56:51,807 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf87e58b/4f2e43200960416a9d7c86658220d734/FLAG4f88f0cd9 [2025-03-04 00:56:52,039 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:56:52,040 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2025-03-04 00:56:52,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf87e58b/4f2e43200960416a9d7c86658220d734/FLAG4f88f0cd9 [2025-03-04 00:56:52,370 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf87e58b/4f2e43200960416a9d7c86658220d734 [2025-03-04 00:56:52,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:56:52,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:56:52,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:56:52,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:56:52,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:56:52,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2550d8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52, skipping insertion in model container [2025-03-04 00:56:52,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:56:52,480 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_variablewrapping_normal_file-60.i[913,926] [2025-03-04 00:56:52,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:56:52,536 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:56:52,545 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_variablewrapping_normal_file-60.i[913,926] [2025-03-04 00:56:52,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:56:52,582 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:56:52,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52 WrapperNode [2025-03-04 00:56:52,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:56:52,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:56:52,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:56:52,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:56:52,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,621 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2025-03-04 00:56:52,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:56:52,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:56:52,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:56:52,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:56:52,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,649 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]. [2025-03-04 00:56:52,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,658 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:56:52,668 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:56:52,668 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:56:52,668 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:56:52,669 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (1/1) ... [2025-03-04 00:56:52,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:56:52,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:56:52,696 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) [2025-03-04 00:56:52,699 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 [2025-03-04 00:56:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:56:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:56:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:56:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 00:56:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:56:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:56:52,772 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:56:52,773 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:56:52,910 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-04 00:56:52,911 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:56:52,917 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:56:52,917 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:56:52,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:56:52 BoogieIcfgContainer [2025-03-04 00:56:52,918 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:56:52,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:56:52,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:56:52,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:56:52,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:56:52" (1/3) ... [2025-03-04 00:56:52,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19382cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:56:52, skipping insertion in model container [2025-03-04 00:56:52,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:52" (2/3) ... [2025-03-04 00:56:52,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19382cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:56:52, skipping insertion in model container [2025-03-04 00:56:52,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:56:52" (3/3) ... [2025-03-04 00:56:52,925 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-60.i [2025-03-04 00:56:52,936 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:56:52,937 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-60.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:56:52,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:56:52,981 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@9c64dd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:56:52,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:56:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-04 00:56:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-04 00:56:52,990 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:56:52,991 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:56:52,991 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:56:52,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:56:52,995 INFO L85 PathProgramCache]: Analyzing trace with hash 370656305, now seen corresponding path program 1 times [2025-03-04 00:56:53,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:56:53,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771432597] [2025-03-04 00:56:53,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:56:53,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:56:53,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-04 00:56:53,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 00:56:53,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:56:53,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:56:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-04 00:56:53,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 00:56:53,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771432597] [2025-03-04 00:56:53,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771432597] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 00:56:53,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468356569] [2025-03-04 00:56:53,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:56:53,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 00:56:53,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:56:53,179 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) [2025-03-04 00:56:53,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 00:56:53,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-04 00:56:53,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 00:56:53,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:56:53,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:56:53,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 00:56:53,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:56:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-04 00:56:53,313 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:56:53,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468356569] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:56:53,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 00:56:53,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 00:56:53,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902156426] [2025-03-04 00:56:53,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:56:53,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 00:56:53,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 00:56:53,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 00:56:53,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:56:53,333 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-04 00:56:53,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:56:53,347 INFO L93 Difference]: Finished difference Result 100 states and 162 transitions. [2025-03-04 00:56:53,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 00:56:53,350 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2025-03-04 00:56:53,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:56:53,356 INFO L225 Difference]: With dead ends: 100 [2025-03-04 00:56:53,356 INFO L226 Difference]: Without dead ends: 50 [2025-03-04 00:56:53,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:56:53,363 INFO L435 NwaCegarLoop]: 71 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, 71 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 [2025-03-04 00:56:53,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 00:56:53,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-03-04 00:56:53,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-03-04 00:56:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-04 00:56:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2025-03-04 00:56:53,391 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 100 [2025-03-04 00:56:53,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:56:53,391 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2025-03-04 00:56:53,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-04 00:56:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2025-03-04 00:56:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-04 00:56:53,394 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:56:53,394 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:56:53,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 00:56:53,598 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 [2025-03-04 00:56:53,598 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:56:53,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:56:53,599 INFO L85 PathProgramCache]: Analyzing trace with hash -968475912, now seen corresponding path program 1 times [2025-03-04 00:56:53,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:56:53,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167554720] [2025-03-04 00:56:53,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:56:53,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:56:53,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-04 00:56:53,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 00:56:53,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:56:53,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:56:53,673 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 00:56:53,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-04 00:56:53,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 00:56:53,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:56:53,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:56:53,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 00:56:53,770 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 00:56:53,771 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 00:56:53,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 00:56:53,775 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-04 00:56:53,824 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 00:56:53,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:56:53 BoogieIcfgContainer [2025-03-04 00:56:53,827 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 00:56:53,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 00:56:53,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 00:56:53,827 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 00:56:53,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:56:52" (3/4) ... [2025-03-04 00:56:53,830 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 00:56:53,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 00:56:53,831 INFO L158 Benchmark]: Toolchain (without parser) took 1458.11ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 35.7MB in the end (delta: 86.2MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2025-03-04 00:56:53,832 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:56:53,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.46ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 109.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:56:53,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.63ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 107.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 00:56:53,832 INFO L158 Benchmark]: Boogie Preprocessor took 44.74ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 105.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:56:53,832 INFO L158 Benchmark]: IcfgBuilder took 250.11ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 90.5MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 00:56:53,832 INFO L158 Benchmark]: TraceAbstraction took 907.10ms. Allocated memory is still 167.8MB. Free memory was 89.7MB in the beginning and 36.1MB in the end (delta: 53.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-04 00:56:53,832 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 167.8MB. Free memory was 36.1MB in the beginning and 35.7MB in the end (delta: 407.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:56:53,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.46ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 109.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.63ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 107.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.74ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 105.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 250.11ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 90.5MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 907.10ms. Allocated memory is still 167.8MB. Free memory was 89.7MB in the beginning and 36.1MB in the end (delta: 53.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 167.8MB. Free memory was 36.1MB in the beginning and 35.7MB in the end (delta: 407.9kB). 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 42, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9999.6; [L23] double var_1_2 = 64.25; [L24] double var_1_3 = 31.2; [L25] signed long int var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] signed long int var_1_6 = 10; [L28] float var_1_7 = 5.8; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] float var_1_10 = 64.8; [L32] float var_1_11 = 32.902; [L33] float var_1_12 = 10.5; [L34] float var_1_13 = 4.4; [L35] float var_1_14 = 999.375; [L36] double var_1_15 = 2.5; [L37] float var_1_16 = 8.6; [L38] float last_1_var_1_16 = 8.6; VAL [isInitial=0, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_2=257/4, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_2=257/4, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L106] RET updateLastVariables() [L107] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L69] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L70] var_1_3 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L72] var_1_5 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L75] var_1_6 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L78] var_1_8 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_9=1] [L79] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L81] var_1_9 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1] [L82] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1] [L83] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L83] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L84] var_1_10 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L85] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L86] var_1_11 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L87] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L88] var_1_12 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L89] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L90] var_1_13 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_13 >= -115292.1504606845700e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 1152921.504606845700e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L91] RET assume_abort_if_not((var_1_13 >= -115292.1504606845700e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 1152921.504606845700e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L92] var_1_14 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_14 >= -115292.1504606845700e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 1152921.504606845700e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L93] RET assume_abort_if_not((var_1_14 >= -115292.1504606845700e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 1152921.504606845700e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L107] RET updateVariables() [L108] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L43] COND FALSE !((- var_1_5) >= var_1_6) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L52] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_16=43/5, stepLocal_0=-255, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L53] COND TRUE var_1_8 && stepLocal_0 [L54] var_1_7 = ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L56] var_1_15 = 500.25 VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=2001/4, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L57] COND FALSE !(var_1_2 > last_1_var_1_16) [L64] var_1_16 = var_1_12 VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_1 == ((double) (var_1_2 - var_1_3))) && (((- var_1_5) >= var_1_6) ? ((var_1_6 > var_1_5) ? ((var_1_3 == var_1_1) ? (var_1_4 == ((signed long int) (256 - (var_1_5 + 5)))) : (var_1_4 == ((signed long int) var_1_5))) : 1) : 1)) && ((var_1_8 && var_1_9) ? (var_1_7 == ((float) ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))))) : 1)) && (var_1_15 == ((double) 500.25))) && ((var_1_2 > last_1_var_1_16) ? (var_1_9 ? ((var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11)))) ? (var_1_16 == ((float) (var_1_14 + var_1_11))) : 1) : 1) : (var_1_16 == ((float) var_1_12))) ; VAL [\result=0, isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 15, 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, 71 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, 71 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 233 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 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 [2025-03-04 00:56:53,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.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 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:56:55,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:56:55,779 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-04 00:56:55,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:56:55,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:56:55,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:56:55,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:56:55,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:56:55,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:56:55,816 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:56:55,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:56:55,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:56:55,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:56:55,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:56:55,817 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:56:55,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:56:55,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:56:55,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:56:55,818 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 -> 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 [2025-03-04 00:56:56,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:56:56,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:56:56,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:56:56,054 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:56:56,054 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:56:56,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2025-03-04 00:56:57,212 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a34a830c/05c1547b1b154708990c12d31b741ff9/FLAG2e4e1b3a2 [2025-03-04 00:56:57,381 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:56:57,381 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2025-03-04 00:56:57,387 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a34a830c/05c1547b1b154708990c12d31b741ff9/FLAG2e4e1b3a2 [2025-03-04 00:56:57,397 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a34a830c/05c1547b1b154708990c12d31b741ff9 [2025-03-04 00:56:57,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:56:57,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:56:57,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:56:57,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:56:57,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:56:57,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7a1510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57, skipping insertion in model container [2025-03-04 00:56:57,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:56:57,523 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_variablewrapping_normal_file-60.i[913,926] [2025-03-04 00:56:57,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:56:57,583 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:56:57,592 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_variablewrapping_normal_file-60.i[913,926] [2025-03-04 00:56:57,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:56:57,633 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:56:57,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57 WrapperNode [2025-03-04 00:56:57,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:56:57,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:56:57,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:56:57,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:56:57,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,666 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-03-04 00:56:57,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:56:57,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:56:57,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:56:57,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:56:57,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,683 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]. [2025-03-04 00:56:57,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,690 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:56:57,696 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:56:57,696 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:56:57,696 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:56:57,696 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (1/1) ... [2025-03-04 00:56:57,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:56:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:56:57,721 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) [2025-03-04 00:56:57,725 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 [2025-03-04 00:56:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:56:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 00:56:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:56:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:56:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:56:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:56:57,793 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:56:57,794 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:57:04,263 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-04 00:57:04,263 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:57:04,272 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:57:04,272 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:57:04,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:57:04 BoogieIcfgContainer [2025-03-04 00:57:04,272 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:57:04,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:57:04,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:57:04,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:57:04,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:56:57" (1/3) ... [2025-03-04 00:57:04,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380c6b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:57:04, skipping insertion in model container [2025-03-04 00:57:04,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:56:57" (2/3) ... [2025-03-04 00:57:04,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380c6b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:57:04, skipping insertion in model container [2025-03-04 00:57:04,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:57:04" (3/3) ... [2025-03-04 00:57:04,280 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-60.i [2025-03-04 00:57:04,290 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:57:04,291 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-60.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:57:04,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:57:04,340 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;@42f4709f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:57:04,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:57:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-04 00:57:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-04 00:57:04,351 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:57:04,352 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:57:04,353 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:57:04,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:57:04,358 INFO L85 PathProgramCache]: Analyzing trace with hash 370656305, now seen corresponding path program 1 times [2025-03-04 00:57:04,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:57:04,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915219175] [2025-03-04 00:57:04,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:57:04,368 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 [2025-03-04 00:57:04,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:57:04,370 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) [2025-03-04 00:57:04,372 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 [2025-03-04 00:57:04,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-04 00:57:04,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 00:57:04,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:57:04,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:57:04,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 00:57:04,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:57:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-03-04 00:57:04,814 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:57:04,815 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 00:57:04,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915219175] [2025-03-04 00:57:04,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915219175] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:57:04,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 00:57:04,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 00:57:04,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530321038] [2025-03-04 00:57:04,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:57:04,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 00:57:04,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 00:57:04,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 00:57:04,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:57:04,839 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-04 00:57:04,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:57:04,854 INFO L93 Difference]: Finished difference Result 100 states and 162 transitions. [2025-03-04 00:57:04,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 00:57:04,855 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2025-03-04 00:57:04,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:57:04,860 INFO L225 Difference]: With dead ends: 100 [2025-03-04 00:57:04,860 INFO L226 Difference]: Without dead ends: 50 [2025-03-04 00:57:04,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:57:04,865 INFO L435 NwaCegarLoop]: 71 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, 71 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 [2025-03-04 00:57:04,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 00:57:04,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-03-04 00:57:04,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-03-04 00:57:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-04 00:57:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2025-03-04 00:57:04,905 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 100 [2025-03-04 00:57:04,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:57:04,905 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2025-03-04 00:57:04,905 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-04 00:57:04,905 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2025-03-04 00:57:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-04 00:57:04,907 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:57:04,907 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:57:04,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-04 00:57:05,112 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 [2025-03-04 00:57:05,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:57:05,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:57:05,113 INFO L85 PathProgramCache]: Analyzing trace with hash -968475912, now seen corresponding path program 1 times [2025-03-04 00:57:05,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:57:05,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596368063] [2025-03-04 00:57:05,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:57:05,113 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 [2025-03-04 00:57:05,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:57:05,116 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) [2025-03-04 00:57:05,117 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 [2025-03-04 00:57:05,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-04 00:57:05,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 00:57:05,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:57:05,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:57:05,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-04 00:57:05,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:57:57,036 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-04 00:58:08,520 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)