./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.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 04228aca453f32987dc7c53bca4e08cb18c9aabfe1bbd326fa4a64f045b32803 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:44:36,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:44:36,554 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 13:44:36,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:44:36,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:44:36,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:44:36,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:44:36,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:44:36,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:44:36,577 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:44:36,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:44:36,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:44:36,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:44:36,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:44:36,579 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:44:36,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:44:36,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:44:36,579 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:44:36,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 13:44:36,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:44:36,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:44:36,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:44:36,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:44:36,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:44:36,580 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:44:36,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:44:36,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:44:36,580 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:44:36,580 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:44:36,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:44:36,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:44:36,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:44:36,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:44:36,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:44:36,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:44:36,581 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:44:36,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:44:36,581 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 13:44:36,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 13:44:36,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:44:36,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:44:36,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:44:36,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:44:36,581 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 -> 04228aca453f32987dc7c53bca4e08cb18c9aabfe1bbd326fa4a64f045b32803 [2025-03-08 13:44:36,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:44:36,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:44:36,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:44:36,811 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:44:36,811 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:44:36,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2025-03-08 13:44:37,968 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d1850abe/c579d13122664ef793e51734da0cf262/FLAGffde54c94 [2025-03-08 13:44:38,202 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:44:38,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2025-03-08 13:44:38,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d1850abe/c579d13122664ef793e51734da0cf262/FLAGffde54c94 [2025-03-08 13:44:38,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d1850abe/c579d13122664ef793e51734da0cf262 [2025-03-08 13:44:38,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:44:38,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:44:38,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:44:38,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:44:38,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:44:38,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608424ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38, skipping insertion in model container [2025-03-08 13:44:38,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:44:38,661 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_floatingpointinfluence_no-floats_file-20.i[916,929] [2025-03-08 13:44:38,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:44:38,714 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:44:38,726 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_floatingpointinfluence_no-floats_file-20.i[916,929] [2025-03-08 13:44:38,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:44:38,763 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:44:38,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38 WrapperNode [2025-03-08 13:44:38,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:44:38,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:44:38,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:44:38,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:44:38,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,806 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128 [2025-03-08 13:44:38,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:44:38,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:44:38,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:44:38,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:44:38,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,830 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 13:44:38,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,838 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:44:38,849 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:44:38,849 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:44:38,849 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:44:38,850 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (1/1) ... [2025-03-08 13:44:38,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:44:38,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:44:38,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 13:44:38,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 13:44:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:44:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:44:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:44:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 13:44:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:44:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:44:38,936 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:44:38,938 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:44:39,086 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-08 13:44:39,087 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:44:39,095 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:44:39,096 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:44:39,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:44:39 BoogieIcfgContainer [2025-03-08 13:44:39,097 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:44:39,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:44:39,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:44:39,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:44:39,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:44:38" (1/3) ... [2025-03-08 13:44:39,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9079b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:44:39, skipping insertion in model container [2025-03-08 13:44:39,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:38" (2/3) ... [2025-03-08 13:44:39,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9079b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:44:39, skipping insertion in model container [2025-03-08 13:44:39,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:44:39" (3/3) ... [2025-03-08 13:44:39,105 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-20.i [2025-03-08 13:44:39,115 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:44:39,116 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-20.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:44:39,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:44:39,158 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;@20b61ded, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:44:39,158 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:44:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-08 13:44:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 13:44:39,168 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:44:39,168 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:44:39,169 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:44:39,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:44:39,172 INFO L85 PathProgramCache]: Analyzing trace with hash 2011913221, now seen corresponding path program 1 times [2025-03-08 13:44:39,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:44:39,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878578016] [2025-03-08 13:44:39,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:44:39,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:44:39,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:44:39,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:44:39,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:44:39,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:44:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2025-03-08 13:44:39,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:44:39,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878578016] [2025-03-08 13:44:39,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878578016] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 13:44:39,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717075754] [2025-03-08 13:44:39,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:44:39,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:44:39,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:44:39,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 13:44:39,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 13:44:39,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:44:39,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:44:39,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:44:39,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:44:39,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:44:39,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:44:39,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2025-03-08 13:44:39,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:44:39,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717075754] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:44:39,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 13:44:39,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 13:44:39,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903536336] [2025-03-08 13:44:39,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:44:39,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:44:39,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:44:39,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:44:39,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:44:39,602 INFO L87 Difference]: Start difference. First operand has 61 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-08 13:44:39,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:44:39,621 INFO L93 Difference]: Finished difference Result 116 states and 201 transitions. [2025-03-08 13:44:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:44:39,622 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146 [2025-03-08 13:44:39,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:44:39,627 INFO L225 Difference]: With dead ends: 116 [2025-03-08 13:44:39,627 INFO L226 Difference]: Without dead ends: 58 [2025-03-08 13:44:39,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:44:39,631 INFO L435 NwaCegarLoop]: 86 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, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:44:39,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:44:39,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-08 13:44:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-03-08 13:44:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-08 13:44:39,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2025-03-08 13:44:39,663 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 146 [2025-03-08 13:44:39,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:44:39,663 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2025-03-08 13:44:39,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-08 13:44:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2025-03-08 13:44:39,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 13:44:39,666 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:44:39,666 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:44:39,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 13:44:39,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 13:44:39,867 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:44:39,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:44:39,868 INFO L85 PathProgramCache]: Analyzing trace with hash 468616197, now seen corresponding path program 1 times [2025-03-08 13:44:39,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:44:39,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807032106] [2025-03-08 13:44:39,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:44:39,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:44:39,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:44:40,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:44:40,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:44:40,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:44:40,030 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 13:44:40,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:44:40,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:44:40,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:44:40,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:44:40,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 13:44:40,138 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 13:44:40,139 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 13:44:40,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 13:44:40,142 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 13:44:40,217 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 13:44:40,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 01:44:40 BoogieIcfgContainer [2025-03-08 13:44:40,221 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 13:44:40,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 13:44:40,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 13:44:40,222 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 13:44:40,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:44:39" (3/4) ... [2025-03-08 13:44:40,224 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 13:44:40,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 13:44:40,226 INFO L158 Benchmark]: Toolchain (without parser) took 1692.99ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 106.0MB in the end (delta: 27.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2025-03-08 13:44:40,226 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:44:40,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.26ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 120.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 13:44:40,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.82ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 118.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 13:44:40,228 INFO L158 Benchmark]: Boogie Preprocessor took 41.29ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 116.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:44:40,228 INFO L158 Benchmark]: IcfgBuilder took 248.05ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 98.4MB in the end (delta: 17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 13:44:40,228 INFO L158 Benchmark]: TraceAbstraction took 1122.12ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 106.0MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:44:40,229 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 106.0MB in the end (delta: 50.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 13:44:40,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.26ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 120.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.82ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 118.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.29ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 116.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 248.05ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 98.4MB in the end (delta: 17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1122.12ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 106.0MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 106.0MB in the end (delta: 50.8kB). Peak memory consumption was 8.4MB. 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 to_int at line 108, overapproximation of to_int at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 0; [L25] signed long int var_1_4 = 2; [L26] signed long int var_1_5 = 8; [L27] signed long int var_1_6 = 999999999; [L28] signed long int var_1_7 = 10; [L29] signed long int var_1_8 = 4; [L30] unsigned long int var_1_9 = 256; [L31] unsigned char var_1_10 = 0; [L32] unsigned long int var_1_11 = 3724367395; [L33] unsigned long int var_1_12 = 25; [L34] unsigned long int var_1_13 = 1; [L35] unsigned char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 100; VAL [isInitial=0, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] FCALL updateLastVariables() [L116] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L70] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L70] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=0, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L71] var_1_3 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L72] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L73] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L73] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=2, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L74] var_1_4 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L75] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L76] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L76] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=8, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L77] var_1_5 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L78] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L79] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L79] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=999999999, var_1_7=10, var_1_8=4, var_1_9=256] [L80] var_1_6 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L81] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L82] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L82] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=4, var_1_9=256] [L83] var_1_8 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L84] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L85] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L85] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L86] var_1_10 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L87] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L88] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L88] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L89] var_1_11 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_11 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L90] RET assume_abort_if_not(var_1_11 >= 3221225470) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L91] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L91] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L92] var_1_12 = __VERIFIER_nondet_ulong() [L93] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L93] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L94] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L94] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L95] var_1_13 = __VERIFIER_nondet_ulong() [L96] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L96] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L97] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L97] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L98] var_1_15 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L99] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L100] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L100] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=100, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L101] var_1_16 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L102] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L103] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L103] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=0, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L116] RET updateVariables() [L117] CALL step() [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((var_1_3 - var_1_4) - var_1_5) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=-1, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=10, var_1_8=0, var_1_9=256] [L46] var_1_7 = ((15.5 + var_1_4) - (var_1_3 - var_1_8)) [L47] unsigned long int stepLocal_2 = var_1_13; [L48] signed long int stepLocal_1 = 5; VAL [isInitial=1, stepLocal_1=5, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=-1, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_8=0, var_1_9=256] [L49] COND FALSE !(stepLocal_1 >= var_1_11) VAL [isInitial=1, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=-1, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_8=0, var_1_9=256] [L60] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=-255, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=-1, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_8=0, var_1_9=256] [L61] COND TRUE var_1_10 || stepLocal_0 [L62] var_1_9 = ((var_1_11 - var_1_14) - var_1_14) VAL [isInitial=1, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=-1, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_8=0, var_1_9=3221225468] [L117] RET step() [L118] CALL, EXPR property() [L108-L109] return (((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_4) - var_1_5))) : (var_1_1 == ((signed long int) (var_1_4 + var_1_6)))) && (var_1_7 == ((signed long int) ((15.5 + var_1_4) - (var_1_3 - var_1_8))))) && ((var_1_10 || var_1_2) ? (var_1_9 == ((unsigned long int) ((var_1_11 - var_1_14) - var_1_14))) : (var_1_9 == ((unsigned long int) (var_1_14 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))))) && ((5 >= var_1_11) ? ((var_1_1 >= var_1_8) ? (var_1_14 == ((unsigned char) (128 - 16))) : ((var_1_13 >= ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) ? (var_1_14 == ((unsigned char) (var_1_15 - var_1_16))) : (var_1_14 == ((unsigned char) var_1_16)))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=-1, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=3724367397, var_1_8=0, var_1_9=3221225468] [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=-1, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=3724367397, var_1_8=0, var_1_9=3221225468] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=-129, var_1_16=-129, var_1_1=-1, var_1_2=-255, var_1_3=2147483647, var_1_4=1, var_1_5=2147483647, var_1_6=0, var_1_7=3724367397, var_1_8=0, var_1_9=3221225468] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 115 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 24, 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, 86 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, 86 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 290 ConstructedInterpolants, 0 QuantifiedInterpolants, 290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 319 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2162/2208 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 13:44:40,248 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_floatingpointinfluence_no-floats_file-20.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 04228aca453f32987dc7c53bca4e08cb18c9aabfe1bbd326fa4a64f045b32803 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:44:42,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:44:42,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 13:44:42,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:44:42,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:44:42,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:44:42,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:44:42,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:44:42,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:44:42,265 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:44:42,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:44:42,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:44:42,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:44:42,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:44:42,266 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:44:42,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:44:42,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:44:42,267 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:44:42,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:44:42,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:44:42,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:44:42,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:44:42,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:44:42,268 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 13:44:42,268 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 13:44:42,268 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 13:44:42,268 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:44:42,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:44:42,268 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:44:42,268 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:44:42,268 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:44:42,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:44:42,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:44:42,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:44:42,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:44:42,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:44:42,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:44:42,270 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:44:42,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:44:42,270 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 13:44:42,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 13:44:42,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:44:42,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:44:42,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:44:42,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:44:42,271 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 -> 04228aca453f32987dc7c53bca4e08cb18c9aabfe1bbd326fa4a64f045b32803 [2025-03-08 13:44:42,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:44:42,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:44:42,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:44:42,510 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:44:42,510 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:44:42,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2025-03-08 13:44:43,695 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11c93dad/4d987b8a5bfa42c7b666e994c29b0075/FLAG3f8dbe074 [2025-03-08 13:44:43,864 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:44:43,864 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2025-03-08 13:44:43,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11c93dad/4d987b8a5bfa42c7b666e994c29b0075/FLAG3f8dbe074 [2025-03-08 13:44:43,889 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11c93dad/4d987b8a5bfa42c7b666e994c29b0075 [2025-03-08 13:44:43,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:44:43,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:44:43,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:44:43,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:44:43,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:44:43,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:44:43" (1/1) ... [2025-03-08 13:44:43,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42186410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:43, skipping insertion in model container [2025-03-08 13:44:43,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:44:43" (1/1) ... [2025-03-08 13:44:43,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:44:44,021 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_floatingpointinfluence_no-floats_file-20.i[916,929] [2025-03-08 13:44:44,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:44:44,083 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:44:44,092 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_floatingpointinfluence_no-floats_file-20.i[916,929] [2025-03-08 13:44:44,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:44:44,130 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:44:44,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44 WrapperNode [2025-03-08 13:44:44,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:44:44,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:44:44,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:44:44,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:44:44,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,168 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2025-03-08 13:44:44,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:44:44,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:44:44,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:44:44,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:44:44,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,182 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,196 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 13:44:44,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:44:44,216 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:44:44,217 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:44:44,217 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:44:44,218 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (1/1) ... [2025-03-08 13:44:44,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:44:44,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:44:44,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 13:44:44,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 13:44:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:44:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 13:44:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:44:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:44:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:44:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:44:44,340 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:44:44,342 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:44:52,696 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-08 13:44:52,696 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:44:52,702 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:44:52,703 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:44:52,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:44:52 BoogieIcfgContainer [2025-03-08 13:44:52,703 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:44:52,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:44:52,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:44:52,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:44:52,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:44:43" (1/3) ... [2025-03-08 13:44:52,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e03bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:44:52, skipping insertion in model container [2025-03-08 13:44:52,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:44:44" (2/3) ... [2025-03-08 13:44:52,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e03bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:44:52, skipping insertion in model container [2025-03-08 13:44:52,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:44:52" (3/3) ... [2025-03-08 13:44:52,709 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-20.i [2025-03-08 13:44:52,718 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:44:52,719 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-20.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:44:52,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:44:52,774 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;@7ecb351d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:44:52,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:44:52,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-08 13:44:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 13:44:52,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:44:52,785 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:44:52,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:44:52,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:44:52,789 INFO L85 PathProgramCache]: Analyzing trace with hash 2011913221, now seen corresponding path program 1 times [2025-03-08 13:44:52,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:44:52,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70191502] [2025-03-08 13:44:52,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:44:52,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:44:52,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:44:52,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:44:52,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 13:44:52,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:44:53,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:44:53,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:44:53,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:44:53,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:44:53,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:44:53,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2025-03-08 13:44:53,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:44:53,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 13:44:53,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70191502] [2025-03-08 13:44:53,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70191502] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:44:53,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:44:53,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 13:44:53,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860626283] [2025-03-08 13:44:53,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:44:53,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:44:53,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 13:44:53,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:44:53,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:44:53,110 INFO L87 Difference]: Start difference. First operand has 61 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-08 13:44:53,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:44:53,128 INFO L93 Difference]: Finished difference Result 116 states and 201 transitions. [2025-03-08 13:44:53,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:44:53,129 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146 [2025-03-08 13:44:53,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:44:53,133 INFO L225 Difference]: With dead ends: 116 [2025-03-08 13:44:53,133 INFO L226 Difference]: Without dead ends: 58 [2025-03-08 13:44:53,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:44:53,137 INFO L435 NwaCegarLoop]: 86 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, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:44:53,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:44:53,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-08 13:44:53,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-03-08 13:44:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-08 13:44:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2025-03-08 13:44:53,168 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 146 [2025-03-08 13:44:53,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:44:53,168 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2025-03-08 13:44:53,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-08 13:44:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2025-03-08 13:44:53,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 13:44:53,173 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:44:53,174 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:44:53,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-08 13:44:53,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:44:53,374 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:44:53,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:44:53,375 INFO L85 PathProgramCache]: Analyzing trace with hash 468616197, now seen corresponding path program 1 times [2025-03-08 13:44:53,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:44:53,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222408777] [2025-03-08 13:44:53,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:44:53,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:44:53,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:44:53,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:44:53,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 13:44:53,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:44:53,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:44:53,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:44:53,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:44:53,623 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 13:44:53,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:44:53,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:44:53,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:44:53,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:44:53,822 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2025-03-08 13:44:53,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [367546438] [2025-03-08 13:44:53,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:44:53,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-03-08 13:44:53,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2025-03-08 13:44:53,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-03-08 13:44:53,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-03-08 13:44:53,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 13:44:54,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 13:44:54,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:44:54,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:44:54,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-08 13:44:54,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:45:02,854 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:45:10,919 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:45:18,918 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:45:25,984 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (bvsge ((_ zero_extend 32) c_~var_1_11~0) (_ bv3221225470 64)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0))))) (not (= (_ bv0 8) c_~var_1_2~0))) is different from false [2025-03-08 13:45:30,023 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (bvsge ((_ zero_extend 32) c_~var_1_11~0) (_ bv3221225470 64)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0))))) (not (= (_ bv0 8) c_~var_1_2~0))) is different from true [2025-03-08 13:45:38,152 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:45:46,225 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:45:54,332 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:46:02,434 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:46:10,538 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 13:46:18,604 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)