./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.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 e31d9a08847e078896c726c0e9a50e9a93a5328ffa0c1a5c412b7d6782006eef --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:44:02,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:44:02,187 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 02:44:02,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:44:02,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:44:02,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:44:02,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:44:02,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:44:02,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:44:02,209 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:44:02,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:44:02,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:44:02,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:44:02,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:44:02,210 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:44:02,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:44:02,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:44:02,210 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:44:02,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 02:44:02,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:44:02,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:44:02,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:44:02,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:44:02,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:44:02,211 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:44:02,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:44:02,211 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:44:02,211 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:44:02,211 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:44:02,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:44:02,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:44:02,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:44:02,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:44:02,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:44:02,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:44:02,212 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:44:02,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:44:02,212 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 02:44:02,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 02:44:02,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:44:02,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:44:02,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:44:02,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:44:02,212 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 -> e31d9a08847e078896c726c0e9a50e9a93a5328ffa0c1a5c412b7d6782006eef [2025-03-17 02:44:02,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:44:02,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:44:02,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:44:02,459 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:44:02,459 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:44:02,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i [2025-03-17 02:44:03,628 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d7e55bfd/70957e6ae0654588ad4984842ef3a454/FLAG094abd571 [2025-03-17 02:44:03,864 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:44:03,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i [2025-03-17 02:44:03,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d7e55bfd/70957e6ae0654588ad4984842ef3a454/FLAG094abd571 [2025-03-17 02:44:03,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d7e55bfd/70957e6ae0654588ad4984842ef3a454 [2025-03-17 02:44:03,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:44:03,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:44:03,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:44:03,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:44:03,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:44:03,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:44:03" (1/1) ... [2025-03-17 02:44:03,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7672c1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:03, skipping insertion in model container [2025-03-17 02:44:03,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:44:03" (1/1) ... [2025-03-17 02:44:03,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:44:04,015 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_has-floats_file-44.i[917,930] [2025-03-17 02:44:04,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:44:04,056 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:44:04,066 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_has-floats_file-44.i[917,930] [2025-03-17 02:44:04,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:44:04,103 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:44:04,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04 WrapperNode [2025-03-17 02:44:04,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:44:04,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:44:04,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:44:04,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:44:04,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,134 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2025-03-17 02:44:04,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:44:04,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:44:04,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:44:04,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:44:04,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,151 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]. [2025-03-17 02:44:04,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,159 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:44:04,167 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:44:04,167 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:44:04,167 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:44:04,168 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (1/1) ... [2025-03-17 02:44:04,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:44:04,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:44:04,202 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) [2025-03-17 02:44:04,207 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 [2025-03-17 02:44:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:44:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:44:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:44:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 02:44:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:44:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:44:04,280 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:44:04,281 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:44:04,472 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-17 02:44:04,472 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:44:04,482 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:44:04,483 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:44:04,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:44:04 BoogieIcfgContainer [2025-03-17 02:44:04,484 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:44:04,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:44:04,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:44:04,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:44:04,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:44:03" (1/3) ... [2025-03-17 02:44:04,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4756afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:44:04, skipping insertion in model container [2025-03-17 02:44:04,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:04" (2/3) ... [2025-03-17 02:44:04,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4756afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:44:04, skipping insertion in model container [2025-03-17 02:44:04,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:44:04" (3/3) ... [2025-03-17 02:44:04,493 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-44.i [2025-03-17 02:44:04,507 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:44:04,509 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-44.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:44:04,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:44:04,564 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;@2e155728, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:44:04,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:44:04,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 02:44:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-17 02:44:04,575 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:44:04,575 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:44:04,576 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:44:04,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:44:04,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1985360309, now seen corresponding path program 1 times [2025-03-17 02:44:04,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:44:04,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601979816] [2025-03-17 02:44:04,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:44:04,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:44:04,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 02:44:04,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 02:44:04,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:44:04,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:44:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2025-03-17 02:44:04,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 02:44:04,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601979816] [2025-03-17 02:44:04,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601979816] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 02:44:04,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775649487] [2025-03-17 02:44:04,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:44:04,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 02:44:04,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:44:04,850 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) [2025-03-17 02:44:04,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 02:44:04,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 02:44:04,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 02:44:04,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:44:04,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:44:04,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 02:44:05,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:44:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2025-03-17 02:44:05,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 02:44:05,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775649487] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 02:44:05,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 02:44:05,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 02:44:05,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761930635] [2025-03-17 02:44:05,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 02:44:05,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 02:44:05,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 02:44:05,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 02:44:05,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:44:05,059 INFO L87 Difference]: Start difference. First operand has 53 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 02:44:05,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 02:44:05,103 INFO L93 Difference]: Finished difference Result 103 states and 181 transitions. [2025-03-17 02:44:05,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 02:44:05,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 126 [2025-03-17 02:44:05,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 02:44:05,110 INFO L225 Difference]: With dead ends: 103 [2025-03-17 02:44:05,111 INFO L226 Difference]: Without dead ends: 51 [2025-03-17 02:44:05,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:44:05,116 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2025-03-17 02:44:05,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 02:44:05,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-03-17 02:44:05,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-03-17 02:44:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 02:44:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 77 transitions. [2025-03-17 02:44:05,146 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 77 transitions. Word has length 126 [2025-03-17 02:44:05,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 02:44:05,147 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 77 transitions. [2025-03-17 02:44:05,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 02:44:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2025-03-17 02:44:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-17 02:44:05,150 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:44:05,150 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:44:05,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 02:44:05,351 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 [2025-03-17 02:44:05,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:44:05,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:44:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1016316372, now seen corresponding path program 1 times [2025-03-17 02:44:05,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:44:05,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403155864] [2025-03-17 02:44:05,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:44:05,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:44:05,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 02:44:05,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 02:44:05,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:44:05,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 02:44:05,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1104736559] [2025-03-17 02:44:05,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:44:05,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 02:44:05,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:44:05,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 02:44:05,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 02:44:05,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 02:44:05,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 02:44:05,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:44:05,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:44:05,591 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 02:44:05,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 02:44:05,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 02:44:05,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:44:05,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:44:05,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 02:44:05,683 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 02:44:05,684 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 02:44:05,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 02:44:05,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 02:44:05,889 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-17 02:44:05,938 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 02:44:05,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 02:44:05 BoogieIcfgContainer [2025-03-17 02:44:05,942 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 02:44:05,943 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 02:44:05,943 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 02:44:05,943 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 02:44:05,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:44:04" (3/4) ... [2025-03-17 02:44:05,945 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 02:44:05,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 02:44:05,946 INFO L158 Benchmark]: Toolchain (without parser) took 2058.39ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 66.9MB in the end (delta: 40.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2025-03-17 02:44:05,947 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:44:05,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.80ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 94.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 02:44:05,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.91ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 91.9MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 02:44:05,947 INFO L158 Benchmark]: Boogie Preprocessor took 31.45ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:44:05,947 INFO L158 Benchmark]: IcfgBuilder took 316.82ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 71.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 02:44:05,948 INFO L158 Benchmark]: TraceAbstraction took 1455.49ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 66.9MB in the end (delta: 4.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2025-03-17 02:44:05,948 INFO L158 Benchmark]: Witness Printer took 2.66ms. Allocated memory is still 142.6MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:44:05,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.80ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 94.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.91ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 91.9MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.45ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 316.82ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 71.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1455.49ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 66.9MB in the end (delta: 4.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Witness Printer took 2.66ms. Allocated memory is still 142.6MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] signed char var_1_3 = -25; [L24] signed char var_1_4 = -64; [L25] signed char var_1_5 = -1; [L26] signed char var_1_6 = 50; [L27] unsigned char var_1_7 = 1; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_11 = 1; [L31] double var_1_12 = 10.5; [L32] unsigned char var_1_15 = 0; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 50.75; [L36] float var_1_19 = 32.6; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L66] var_1_3 = __VERIFIER_nondet_char() [L67] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L67] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L68] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L68] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L69] var_1_4 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L70] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L71] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L72] var_1_5 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L73] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L74] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L74] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L75] var_1_6 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L76] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L77] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L77] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L78] var_1_7 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L79] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L80] CALL assume_abort_if_not(var_1_7 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L80] RET assume_abort_if_not(var_1_7 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L81] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L81] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L83] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L85] var_1_12 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L86] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L87] var_1_15 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L88] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L89] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L89] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L90] var_1_16 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L91] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L92] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L92] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L93] var_1_17 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L94] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L95] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L95] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L96] var_1_19 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L97] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L110] RET updateVariables() [L111] CALL step() [L40] signed long int stepLocal_1 = ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) / var_1_7; [L41] signed long int stepLocal_0 = var_1_5 - var_1_6; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L42] COND FALSE !(var_1_4 > stepLocal_0) [L47] var_1_1 = var_1_3 VAL [isInitial=1, stepLocal_1=0, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L49] var_1_18 = var_1_19 VAL [isInitial=1, stepLocal_1=0, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L50] COND TRUE (var_1_12 - ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) >= var_1_18 [L51] var_1_11 = (((var_1_6 < var_1_1) && var_1_15) || (var_1_16 || var_1_17)) VAL [isInitial=1, stepLocal_1=0, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L53] signed long int stepLocal_3 = var_1_1; [L54] signed long int stepLocal_2 = var_1_1 * (var_1_1 * var_1_6); VAL [isInitial=1, stepLocal_1=0, stepLocal_2=0, stepLocal_3=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L55] COND FALSE !(\read(var_1_11)) VAL [isInitial=1, stepLocal_1=0, stepLocal_2=0, stepLocal_3=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L111] RET step() [L112] CALL, EXPR property() [L102-L103] return ((((var_1_4 > (var_1_5 - var_1_6)) ? (((((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) / var_1_7) <= var_1_6) ? (var_1_1 == ((signed long int) var_1_7)) : 1) : (var_1_1 == ((signed long int) var_1_3))) && (var_1_11 ? ((var_1_1 > var_1_1) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (((var_1_1 % var_1_7) < (var_1_1 * (var_1_1 * var_1_6))) ? (var_1_8 == ((unsigned char) var_1_10)) : 1)) : 1)) && (((var_1_12 - ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) >= var_1_18) ? (var_1_11 == ((unsigned char) (((var_1_6 < var_1_1) && var_1_15) || (var_1_16 || var_1_17)))) : 1)) && (var_1_18 == ((float) var_1_19)) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 102 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 77 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, 77 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 288 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1640/1680 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 [2025-03-17 02:44:05,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.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 e31d9a08847e078896c726c0e9a50e9a93a5328ffa0c1a5c412b7d6782006eef --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:44:07,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:44:08,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 02:44:08,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:44:08,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:44:08,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:44:08,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:44:08,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:44:08,093 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:44:08,093 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:44:08,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:44:08,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:44:08,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:44:08,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:44:08,093 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:44:08,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:44:08,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:44:08,093 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:44:08,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:44:08,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:44:08,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:44:08,094 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:44:08,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:44:08,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:44:08,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:44:08,097 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:44:08,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:44:08,097 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 02:44:08,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 02:44:08,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:44:08,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:44:08,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:44:08,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:44:08,098 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 -> e31d9a08847e078896c726c0e9a50e9a93a5328ffa0c1a5c412b7d6782006eef [2025-03-17 02:44:08,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:44:08,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:44:08,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:44:08,352 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:44:08,352 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:44:08,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i [2025-03-17 02:44:09,609 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d1cc832/d4e155b9da4c435381af140f2d42cc12/FLAGbfc059958 [2025-03-17 02:44:09,807 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:44:09,807 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i [2025-03-17 02:44:09,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d1cc832/d4e155b9da4c435381af140f2d42cc12/FLAGbfc059958 [2025-03-17 02:44:09,836 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d1cc832/d4e155b9da4c435381af140f2d42cc12 [2025-03-17 02:44:09,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:44:09,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:44:09,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:44:09,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:44:09,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:44:09,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:44:09" (1/1) ... [2025-03-17 02:44:09,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c06f6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:09, skipping insertion in model container [2025-03-17 02:44:09,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:44:09" (1/1) ... [2025-03-17 02:44:09,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:44:09,977 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_has-floats_file-44.i[917,930] [2025-03-17 02:44:10,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:44:10,039 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:44:10,049 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_has-floats_file-44.i[917,930] [2025-03-17 02:44:10,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:44:10,094 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:44:10,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10 WrapperNode [2025-03-17 02:44:10,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:44:10,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:44:10,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:44:10,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:44:10,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,130 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2025-03-17 02:44:10,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:44:10,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:44:10,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:44:10,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:44:10,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,153 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]. [2025-03-17 02:44:10,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,160 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:44:10,165 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:44:10,166 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:44:10,166 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:44:10,168 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (1/1) ... [2025-03-17 02:44:10,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:44:10,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:44:10,197 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) [2025-03-17 02:44:10,200 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 [2025-03-17 02:44:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:44:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 02:44:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:44:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:44:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:44:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:44:10,286 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:44:10,288 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:44:11,940 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-17 02:44:11,941 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:44:11,949 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:44:11,949 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:44:11,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:44:11 BoogieIcfgContainer [2025-03-17 02:44:11,949 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:44:11,952 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:44:11,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:44:11,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:44:11,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:44:09" (1/3) ... [2025-03-17 02:44:11,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236d2a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:44:11, skipping insertion in model container [2025-03-17 02:44:11,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:44:10" (2/3) ... [2025-03-17 02:44:11,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236d2a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:44:11, skipping insertion in model container [2025-03-17 02:44:11,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:44:11" (3/3) ... [2025-03-17 02:44:11,958 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-44.i [2025-03-17 02:44:11,968 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:44:11,969 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-44.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:44:12,006 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:44:12,014 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;@1d7e2547, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:44:12,014 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:44:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 02:44:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-17 02:44:12,024 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:44:12,024 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:44:12,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:44:12,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:44:12,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1985360309, now seen corresponding path program 1 times [2025-03-17 02:44:12,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 02:44:12,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958043270] [2025-03-17 02:44:12,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:44:12,040 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 [2025-03-17 02:44:12,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 02:44:12,043 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) [2025-03-17 02:44:12,045 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 [2025-03-17 02:44:12,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 02:44:12,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 02:44:12,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:44:12,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:44:12,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 02:44:12,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:44:12,373 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2025-03-17 02:44:12,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 02:44:12,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 02:44:12,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958043270] [2025-03-17 02:44:12,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958043270] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 02:44:12,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 02:44:12,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 02:44:12,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27416001] [2025-03-17 02:44:12,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 02:44:12,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 02:44:12,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 02:44:12,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 02:44:12,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:44:12,418 INFO L87 Difference]: Start difference. First operand has 53 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 02:44:12,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 02:44:12,441 INFO L93 Difference]: Finished difference Result 103 states and 181 transitions. [2025-03-17 02:44:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 02:44:12,443 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 126 [2025-03-17 02:44:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 02:44:12,447 INFO L225 Difference]: With dead ends: 103 [2025-03-17 02:44:12,447 INFO L226 Difference]: Without dead ends: 51 [2025-03-17 02:44:12,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 02:44:12,453 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2025-03-17 02:44:12,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 02:44:12,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-03-17 02:44:12,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-03-17 02:44:12,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 02:44:12,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 77 transitions. [2025-03-17 02:44:12,490 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 77 transitions. Word has length 126 [2025-03-17 02:44:12,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 02:44:12,491 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 77 transitions. [2025-03-17 02:44:12,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 02:44:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2025-03-17 02:44:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-17 02:44:12,494 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:44:12,494 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:44:12,505 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 [2025-03-17 02:44:12,696 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 [2025-03-17 02:44:12,696 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:44:12,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:44:12,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1016316372, now seen corresponding path program 1 times [2025-03-17 02:44:12,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 02:44:12,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625815345] [2025-03-17 02:44:12,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:44:12,698 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 [2025-03-17 02:44:12,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 02:44:12,701 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) [2025-03-17 02:44:12,702 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 [2025-03-17 02:44:12,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 02:44:12,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 02:44:12,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:44:12,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:44:12,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 02:44:13,011 INFO L279 TraceCheckSpWp]: Computing forward predicates...