./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.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_codestructure_normal_file-0.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 75183837198a67904a3a61f480ace7d79976c5c6c2ed857798c72fba443adac4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 18:45:43,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 18:45:43,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 18:45:43,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 18:45:43,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 18:45:43,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 18:45:43,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 18:45:43,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 18:45:43,507 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 18:45:43,508 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 18:45:43,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 18:45:43,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 18:45:43,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 18:45:43,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 18:45:43,509 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 18:45:43,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 18:45:43,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 18:45:43,509 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 18:45:43,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 18:45:43,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 18:45:43,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 18:45:43,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 18:45:43,510 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:45:43,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 18:45:43,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 18:45:43,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 18:45:43,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 18:45:43,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 18:45:43,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 18:45:43,511 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 -> 75183837198a67904a3a61f480ace7d79976c5c6c2ed857798c72fba443adac4 [2025-03-03 18:45:43,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 18:45:43,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 18:45:43,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 18:45:43,760 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 18:45:43,760 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 18:45:43,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i [2025-03-03 18:45:44,873 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac8397120/1df8a7c5ea8e4c6c9521ecca1f1fe7f9/FLAG81ac5f33e [2025-03-03 18:45:45,120 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 18:45:45,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i [2025-03-03 18:45:45,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac8397120/1df8a7c5ea8e4c6c9521ecca1f1fe7f9/FLAG81ac5f33e [2025-03-03 18:45:45,443 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac8397120/1df8a7c5ea8e4c6c9521ecca1f1fe7f9 [2025-03-03 18:45:45,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 18:45:45,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 18:45:45,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 18:45:45,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 18:45:45,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 18:45:45,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6ad120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45, skipping insertion in model container [2025-03-03 18:45:45,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 18:45:45,554 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i[912,925] [2025-03-03 18:45:45,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:45:45,593 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 18:45:45,599 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i[912,925] [2025-03-03 18:45:45,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:45:45,634 INFO L204 MainTranslator]: Completed translation [2025-03-03 18:45:45,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45 WrapperNode [2025-03-03 18:45:45,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 18:45:45,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 18:45:45,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 18:45:45,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 18:45:45,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,667 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2025-03-03 18:45:45,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 18:45:45,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 18:45:45,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 18:45:45,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 18:45:45,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,686 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]. [2025-03-03 18:45:45,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 18:45:45,704 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 18:45:45,704 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 18:45:45,704 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 18:45:45,705 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (1/1) ... [2025-03-03 18:45:45,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:45:45,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:45:45,728 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) [2025-03-03 18:45:45,734 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 [2025-03-03 18:45:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 18:45:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 18:45:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 18:45:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 18:45:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 18:45:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 18:45:45,803 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 18:45:45,804 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 18:45:45,997 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-03 18:45:45,999 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 18:45:46,005 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 18:45:46,006 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 18:45:46,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:45:46 BoogieIcfgContainer [2025-03-03 18:45:46,007 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 18:45:46,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 18:45:46,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 18:45:46,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 18:45:46,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:45:45" (1/3) ... [2025-03-03 18:45:46,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaf4f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:45:46, skipping insertion in model container [2025-03-03 18:45:46,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:45" (2/3) ... [2025-03-03 18:45:46,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaf4f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:45:46, skipping insertion in model container [2025-03-03 18:45:46,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:45:46" (3/3) ... [2025-03-03 18:45:46,013 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-0.i [2025-03-03 18:45:46,024 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 18:45:46,025 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-0.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 18:45:46,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 18:45:46,071 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;@45114192, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 18:45:46,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 18:45:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-03 18:45:46,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-03 18:45:46,082 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:45:46,083 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:45:46,083 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:45:46,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:45:46,087 INFO L85 PathProgramCache]: Analyzing trace with hash 72817738, now seen corresponding path program 1 times [2025-03-03 18:45:46,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 18:45:46,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643891827] [2025-03-03 18:45:46,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:45:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 18:45:46,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-03 18:45:46,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-03 18:45:46,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:45:46,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:45:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-03-03 18:45:46,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 18:45:46,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643891827] [2025-03-03 18:45:46,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643891827] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 18:45:46,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780660771] [2025-03-03 18:45:46,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:45:46,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 18:45:46,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:45:46,311 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) [2025-03-03 18:45:46,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 18:45:46,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-03 18:45:46,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-03 18:45:46,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:45:46,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:45:46,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 18:45:46,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 18:45:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-03-03 18:45:46,487 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 18:45:46,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780660771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 18:45:46,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 18:45:46,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 18:45:46,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172210949] [2025-03-03 18:45:46,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 18:45:46,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 18:45:46,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 18:45:46,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 18:45:46,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:45:46,506 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-03 18:45:46,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 18:45:46,523 INFO L93 Difference]: Finished difference Result 106 states and 181 transitions. [2025-03-03 18:45:46,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 18:45:46,525 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2025-03-03 18:45:46,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 18:45:46,528 INFO L225 Difference]: With dead ends: 106 [2025-03-03 18:45:46,528 INFO L226 Difference]: Without dead ends: 53 [2025-03-03 18:45:46,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:45:46,532 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2025-03-03 18:45:46,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 18:45:46,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-03 18:45:46,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-03 18:45:46,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-03 18:45:46,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 79 transitions. [2025-03-03 18:45:46,556 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 79 transitions. Word has length 117 [2025-03-03 18:45:46,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 18:45:46,556 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 79 transitions. [2025-03-03 18:45:46,557 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-03 18:45:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2025-03-03 18:45:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-03 18:45:46,559 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:45:46,559 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:45:46,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 18:45:46,762 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 [2025-03-03 18:45:46,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:45:46,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:45:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash 17651144, now seen corresponding path program 1 times [2025-03-03 18:45:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 18:45:46,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383716613] [2025-03-03 18:45:46,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:45:46,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 18:45:46,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-03 18:45:46,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-03 18:45:46,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:45:46,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 18:45:46,880 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 18:45:46,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-03 18:45:46,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-03 18:45:46,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:45:46,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 18:45:46,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 18:45:46,988 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 18:45:46,989 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 18:45:46,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 18:45:46,993 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 18:45:47,059 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 18:45:47,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:45:47 BoogieIcfgContainer [2025-03-03 18:45:47,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 18:45:47,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 18:45:47,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 18:45:47,065 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 18:45:47,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:45:46" (3/4) ... [2025-03-03 18:45:47,067 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 18:45:47,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 18:45:47,068 INFO L158 Benchmark]: Toolchain (without parser) took 1622.64ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 60.2MB in the end (delta: 45.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2025-03-03 18:45:47,069 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:45:47,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.26ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 92.1MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 18:45:47,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:45:47,070 INFO L158 Benchmark]: Boogie Preprocessor took 35.84ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 85.8MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:45:47,071 INFO L158 Benchmark]: IcfgBuilder took 302.89ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 67.0MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 18:45:47,071 INFO L158 Benchmark]: TraceAbstraction took 1055.56ms. Allocated memory is still 142.6MB. Free memory was 67.0MB in the beginning and 60.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2025-03-03 18:45:47,071 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 18:45:47,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.26ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 92.1MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.84ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 85.8MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 302.89ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 67.0MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1055.56ms. Allocated memory is still 142.6MB. Free memory was 67.0MB in the beginning and 60.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 113. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 32; [L25] signed long int var_1_4 = -32; [L26] signed long int var_1_5 = 2; [L27] signed short int var_1_6 = -10; [L28] unsigned long int var_1_7 = 1; [L29] unsigned char var_1_8 = 0; [L30] unsigned long int var_1_9 = 3470417420; [L31] unsigned char var_1_10 = 0; [L32] double var_1_11 = 32.875; [L33] double var_1_12 = 25.6; [L34] double var_1_13 = 1.75; [L35] float var_1_14 = 5.4; [L36] float var_1_15 = 127.5; [L37] float var_1_16 = 3.5; [L38] signed long int var_1_17 = 64; [L39] unsigned char var_1_18 = 64; VAL [isInitial=0, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L117] isInitial = 1 [L118] FCALL initially() [L119] COND TRUE 1 [L120] FCALL updateLastVariables() [L121] CALL updateVariables() [L80] var_1_2 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L81] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L82] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L82] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L83] var_1_3 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L84] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L85] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L85] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L86] var_1_4 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_4 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L87] RET assume_abort_if_not(var_1_4 >= -1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L88] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L88] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L89] var_1_9 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L90] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L91] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L91] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L92] var_1_10 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L93] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L94] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L94] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L95] var_1_11 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L96] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L97] var_1_12 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L98] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L99] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L99] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L100] var_1_13 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L101] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L102] var_1_15 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L103] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L104] var_1_16 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L105] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L106] var_1_18 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L107] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L108] CALL assume_abort_if_not(var_1_18 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L108] RET assume_abort_if_not(var_1_18 <= 255) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L121] RET updateVariables() [L122] CALL step() [L43] COND TRUE var_1_2 > (- var_1_3) [L44] var_1_1 = ((((var_1_3) > ((var_1_2 + var_1_4))) ? (var_1_3) : ((var_1_2 + var_1_4)))) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L48] COND TRUE var_1_3 < var_1_2 [L49] var_1_5 = ((var_1_2 - var_1_3) + var_1_4) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=-1073741822, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L51] COND TRUE var_1_2 < (- var_1_5) [L52] var_1_6 = (32 - var_1_3) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=-1073741822, var_1_6=29, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L54] COND FALSE !(var_1_1 > var_1_3) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=-1073741822, var_1_6=29, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L59] COND TRUE (- 8u) >= (var_1_9 - var_1_2) [L60] var_1_8 = (! var_1_10) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=-1073741822, var_1_6=29, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L64] COND FALSE !((var_1_12 * var_1_11) > var_1_13) [L71] var_1_14 = var_1_16 VAL [isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=64, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=-1073741822, var_1_6=29, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L73] COND TRUE ((var_1_11 + var_1_14) / 9.2) < ((((var_1_13) < (var_1_16)) ? (var_1_13) : (var_1_16))) [L74] var_1_17 = ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))) VAL [isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=4, var_1_18=4, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=-1073741822, var_1_6=29, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L122] RET step() [L123] CALL, EXPR property() [L113-L114] return (((((((var_1_2 > (- var_1_3)) ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_2 + var_1_4))) ? (var_1_3) : ((var_1_2 + var_1_4)))))) : (var_1_1 == ((signed long int) (((((1 - var_1_2)) < (16)) ? ((1 - var_1_2)) : (16)))))) && ((var_1_3 < var_1_2) ? (var_1_5 == ((signed long int) ((var_1_2 - var_1_3) + var_1_4))) : 1)) && ((var_1_2 < (- var_1_5)) ? (var_1_6 == ((signed short int) (32 - var_1_3))) : 1)) && ((var_1_1 > var_1_3) ? ((var_1_4 <= var_1_6) ? (var_1_7 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_2)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_11 / var_1_12) >= var_1_13) || var_1_10))))) && (((var_1_12 * var_1_11) > var_1_13) ? ((var_1_9 < var_1_5) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((var_1_11 + var_1_14) / 9.2) < ((((var_1_13) < (var_1_16)) ? (var_1_13) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))))) : (var_1_17 == ((signed long int) var_1_4))) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=4, var_1_18=4, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=-1073741822, var_1_6=29, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=4, var_1_18=4, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=-1073741822, var_1_6=29, var_1_7=1, var_1_8=0, var_1_9=2147483647] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=4, var_1_18=4, var_1_1=3, var_1_2=4, var_1_3=3, var_1_4=-1073741823, var_1_5=-1073741822, var_1_6=29, var_1_7=1, var_1_8=0, var_1_9=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 18, 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, 79 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, 79 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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 [2025-03-03 18:45:47,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.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 75183837198a67904a3a61f480ace7d79976c5c6c2ed857798c72fba443adac4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 18:45:48,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 18:45:48,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 18:45:48,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 18:45:48,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 18:45:49,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 18:45:49,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 18:45:49,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 18:45:49,005 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 18:45:49,005 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 18:45:49,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 18:45:49,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 18:45:49,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 18:45:49,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 18:45:49,007 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:45:49,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 18:45:49,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 18:45:49,007 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 -> 75183837198a67904a3a61f480ace7d79976c5c6c2ed857798c72fba443adac4 [2025-03-03 18:45:49,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 18:45:49,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 18:45:49,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 18:45:49,232 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 18:45:49,232 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 18:45:49,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i [2025-03-03 18:45:50,382 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55e86e72/8c1e90797c964936928709c190a2f480/FLAGc542a17f0 [2025-03-03 18:45:50,628 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 18:45:50,630 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i [2025-03-03 18:45:50,637 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55e86e72/8c1e90797c964936928709c190a2f480/FLAGc542a17f0 [2025-03-03 18:45:50,652 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a55e86e72/8c1e90797c964936928709c190a2f480 [2025-03-03 18:45:50,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 18:45:50,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 18:45:50,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 18:45:50,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 18:45:50,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 18:45:50,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acdee6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50, skipping insertion in model container [2025-03-03 18:45:50,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 18:45:50,785 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i[912,925] [2025-03-03 18:45:50,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:45:50,837 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 18:45:50,845 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i[912,925] [2025-03-03 18:45:50,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 18:45:50,872 INFO L204 MainTranslator]: Completed translation [2025-03-03 18:45:50,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50 WrapperNode [2025-03-03 18:45:50,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 18:45:50,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 18:45:50,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 18:45:50,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 18:45:50,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,909 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2025-03-03 18:45:50,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 18:45:50,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 18:45:50,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 18:45:50,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 18:45:50,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,934 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]. [2025-03-03 18:45:50,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,948 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 18:45:50,957 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 18:45:50,957 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 18:45:50,958 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 18:45:50,958 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (1/1) ... [2025-03-03 18:45:50,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 18:45:50,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 18:45:50,990 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) [2025-03-03 18:45:50,996 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 [2025-03-03 18:45:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 18:45:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 18:45:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 18:45:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 18:45:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 18:45:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 18:45:51,074 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 18:45:51,076 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 18:46:12,677 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-03 18:46:12,678 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 18:46:12,685 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 18:46:12,685 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 18:46:12,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:46:12 BoogieIcfgContainer [2025-03-03 18:46:12,686 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 18:46:12,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 18:46:12,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 18:46:12,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 18:46:12,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:45:50" (1/3) ... [2025-03-03 18:46:12,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40decb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:46:12, skipping insertion in model container [2025-03-03 18:46:12,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:45:50" (2/3) ... [2025-03-03 18:46:12,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40decb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:46:12, skipping insertion in model container [2025-03-03 18:46:12,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 06:46:12" (3/3) ... [2025-03-03 18:46:12,693 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-0.i [2025-03-03 18:46:12,703 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 18:46:12,704 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-0.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 18:46:12,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 18:46:12,750 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;@5f06a681, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 18:46:12,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 18:46:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-03 18:46:12,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-03 18:46:12,759 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:46:12,760 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:46:12,760 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:46:12,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:46:12,763 INFO L85 PathProgramCache]: Analyzing trace with hash 72817738, now seen corresponding path program 1 times [2025-03-03 18:46:12,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 18:46:12,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52685015] [2025-03-03 18:46:12,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:46:12,771 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 [2025-03-03 18:46:12,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 18:46:12,773 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) [2025-03-03 18:46:12,775 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 [2025-03-03 18:46:12,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-03 18:46:14,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-03 18:46:14,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:46:14,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:46:14,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 18:46:14,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 18:46:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2025-03-03 18:46:14,348 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 18:46:14,348 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 18:46:14,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52685015] [2025-03-03 18:46:14,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52685015] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 18:46:14,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 18:46:14,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 18:46:14,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595396985] [2025-03-03 18:46:14,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 18:46:14,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 18:46:14,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 18:46:14,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 18:46:14,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:46:14,370 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-03 18:46:14,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 18:46:14,384 INFO L93 Difference]: Finished difference Result 106 states and 181 transitions. [2025-03-03 18:46:14,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 18:46:14,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2025-03-03 18:46:14,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 18:46:14,390 INFO L225 Difference]: With dead ends: 106 [2025-03-03 18:46:14,390 INFO L226 Difference]: Without dead ends: 53 [2025-03-03 18:46:14,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 18:46:14,394 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2025-03-03 18:46:14,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 18:46:14,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-03 18:46:14,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-03 18:46:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-03 18:46:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 79 transitions. [2025-03-03 18:46:14,424 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 79 transitions. Word has length 117 [2025-03-03 18:46:14,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 18:46:14,425 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 79 transitions. [2025-03-03 18:46:14,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-03 18:46:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2025-03-03 18:46:14,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-03 18:46:14,428 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 18:46:14,429 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 18:46:14,462 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 [2025-03-03 18:46:14,629 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 [2025-03-03 18:46:14,630 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 18:46:14,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 18:46:14,631 INFO L85 PathProgramCache]: Analyzing trace with hash 17651144, now seen corresponding path program 1 times [2025-03-03 18:46:14,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 18:46:14,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911455754] [2025-03-03 18:46:14,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 18:46:14,631 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 [2025-03-03 18:46:14,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 18:46:14,633 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) [2025-03-03 18:46:14,634 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 [2025-03-03 18:46:14,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-03 18:46:16,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-03 18:46:16,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 18:46:16,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 18:46:16,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-03 18:46:16,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 18:46:46,204 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-03 18:46:58,223 WARN L286 SmtUtils]: Spent 5.05s 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) [2025-03-03 18:47:17,961 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)