./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:34:35,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:34:35,965 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:34:35,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:34:35,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:34:35,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:34:35,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:34:35,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:34:35,991 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:34:35,991 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:34:35,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:34:35,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:34:35,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:34:35,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:34:35,991 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:34:35,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:34:35,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:34:35,992 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:34:35,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:34:35,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:34:35,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:34:35,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:34:35,993 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:35,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:35,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:35,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:34:35,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:34:35,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:34:35,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:34:35,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:34:35,995 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-jdk21/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 -> 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 [2025-01-09 12:34:36,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:34:36,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:34:36,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:34:36,222 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:34:36,222 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:34:36,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2025-01-09 12:34:37,446 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0169e493e/2747722d0ae24696a4fb55874e317231/FLAGd3d5aae74 [2025-01-09 12:34:37,693 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:34:37,694 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2025-01-09 12:34:37,726 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0169e493e/2747722d0ae24696a4fb55874e317231/FLAGd3d5aae74 [2025-01-09 12:34:37,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0169e493e/2747722d0ae24696a4fb55874e317231 [2025-01-09 12:34:37,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:34:37,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:34:37,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:37,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:34:37,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:34:37,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa9fce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37, skipping insertion in model container [2025-01-09 12:34:37,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:34:37,857 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i[917,930] [2025-01-09 12:34:37,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:37,898 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:34:37,906 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i[917,930] [2025-01-09 12:34:37,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:37,948 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:34:37,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37 WrapperNode [2025-01-09 12:34:37,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:37,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:37,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:34:37,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:34:37,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,976 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2025-01-09 12:34:37,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:37,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:34:37,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:34:37,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:34:37,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:37,991 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:38,007 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]. [2025-01-09 12:34:38,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:38,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:38,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:38,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:38,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:38,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:38,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:38,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:34:38,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:34:38,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:34:38,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:34:38,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (1/1) ... [2025-01-09 12:34:38,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:38,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:34:38,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:34:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:34:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:34:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:34:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:34:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:34:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:34:38,126 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:34:38,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:34:38,268 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:34:38,269 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:34:38,274 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:34:38,275 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:34:38,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:38 BoogieIcfgContainer [2025-01-09 12:34:38,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:34:38,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:34:38,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:34:38,280 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:34:38,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:34:37" (1/3) ... [2025-01-09 12:34:38,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35210eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:38, skipping insertion in model container [2025-01-09 12:34:38,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:37" (2/3) ... [2025-01-09 12:34:38,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35210eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:38, skipping insertion in model container [2025-01-09 12:34:38,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:38" (3/3) ... [2025-01-09 12:34:38,281 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-75.i [2025-01-09 12:34:38,290 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:34:38,291 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-75.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:34:38,323 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:34:38,330 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;@48184c40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:34:38,330 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:34:38,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 12:34:38,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 12:34:38,337 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:38,338 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:38,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:38,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:38,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1600406760, now seen corresponding path program 1 times [2025-01-09 12:34:38,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:34:38,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535668829] [2025-01-09 12:34:38,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:38,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:34:38,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 12:34:38,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 12:34:38,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:38,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:34:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-01-09 12:34:38,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:34:38,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535668829] [2025-01-09 12:34:38,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535668829] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:34:38,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463568128] [2025-01-09 12:34:38,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:38,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:34:38,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:38,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 12:34:38,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 12:34:38,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 12:34:38,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 12:34:38,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:38,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:34:38,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:34:38,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:34:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-01-09 12:34:38,670 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:34:38,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463568128] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:34:38,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 12:34:38,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 12:34:38,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808731878] [2025-01-09 12:34:38,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:34:38,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:34:38,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:34:38,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:34:38,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:34:38,688 INFO L87 Difference]: Start difference. First operand has 50 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 12:34:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:34:38,701 INFO L93 Difference]: Finished difference Result 94 states and 158 transitions. [2025-01-09 12:34:38,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:34:38,702 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2025-01-09 12:34:38,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:34:38,706 INFO L225 Difference]: With dead ends: 94 [2025-01-09 12:34:38,708 INFO L226 Difference]: Without dead ends: 47 [2025-01-09 12:34:38,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:34:38,715 INFO L435 NwaCegarLoop]: 68 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, 68 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 [2025-01-09 12:34:38,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:34:38,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-01-09 12:34:38,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-01-09 12:34:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 12:34:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2025-01-09 12:34:38,753 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 107 [2025-01-09 12:34:38,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:34:38,754 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2025-01-09 12:34:38,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 12:34:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2025-01-09 12:34:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 12:34:38,757 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:38,757 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:38,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 12:34:38,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 12:34:38,963 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:38,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:38,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1574131862, now seen corresponding path program 1 times [2025-01-09 12:34:38,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:34:38,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715847328] [2025-01-09 12:34:38,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:38,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:34:38,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 12:34:39,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 12:34:39,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:39,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 12:34:39,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [424317294] [2025-01-09 12:34:39,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:39,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:34:39,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:39,174 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 12:34:39,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 12:34:39,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 12:34:39,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 12:34:39,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:39,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:34:39,280 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:34:39,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 12:34:39,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 12:34:39,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:39,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:34:39,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:34:39,356 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:34:39,357 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:34:39,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 12:34:39,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:34:39,565 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 12:34:39,626 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:34:39,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:34:39 BoogieIcfgContainer [2025-01-09 12:34:39,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:34:39,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:34:39,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:34:39,630 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:34:39,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:38" (3/4) ... [2025-01-09 12:34:39,632 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:34:39,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:34:39,633 INFO L158 Benchmark]: Toolchain (without parser) took 1866.19ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 79.3MB in the end (delta: 29.9MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2025-01-09 12:34:39,634 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 145.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:39,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.80ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 97.0MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:34:39,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.69ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 94.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:34:39,634 INFO L158 Benchmark]: Boogie Preprocessor took 44.29ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 91.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:39,634 INFO L158 Benchmark]: RCFGBuilder took 253.82ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 75.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:34:39,634 INFO L158 Benchmark]: TraceAbstraction took 1352.83ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 79.3MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:39,636 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 79.3MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:39,637 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 145.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.80ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 97.0MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.69ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 94.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.29ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 91.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 253.82ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 75.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1352.83ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 79.3MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 79.3MB in the end (delta: 41.5kB). 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 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] unsigned char var_1_7 = 32; [L24] signed long int var_1_8 = -100; [L25] double var_1_10 = 5.95; [L26] unsigned char var_1_12 = 128; [L27] unsigned char var_1_13 = 200; [L28] unsigned char var_1_14 = 8; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 128; [L31] unsigned char var_1_17 = 1; [L32] float var_1_18 = 2.25; [L33] float var_1_19 = 16.875; [L34] signed char var_1_20 = -4; [L35] signed char var_1_21 = 10; [L36] signed long int last_1_var_1_8 = -100; VAL [isInitial=0, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=32, var_1_8=-100] [L101] isInitial = 1 [L102] FCALL initially() [L104] CALL updateLastVariables() [L94] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=32, var_1_8=-100] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L68] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L68] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L69] var_1_10 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L70] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L71] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L71] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L73] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L74] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L74] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L75] var_1_14 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L77] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L77] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L78] var_1_15 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L79] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L80] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L80] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L81] var_1_16 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L82] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L83] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L83] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L84] var_1_17 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L85] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L86] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L86] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L87] var_1_19 = __VERIFIER_nondet_float() [L88] 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, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L88] 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, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L89] var_1_21 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L90] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L91] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L91] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L105] RET updateVariables() [L106] CALL step() [L40] var_1_18 = var_1_19 [L41] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-100] [L42] COND TRUE (var_1_18 / var_1_10) >= (var_1_18 / 128.6) [L43] var_1_8 = ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L51] signed long int stepLocal_0 = (var_1_8 * var_1_20) * var_1_8; VAL [isInitial=1, last_1_var_1_8=-100, stepLocal_0=-980100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L52] COND TRUE stepLocal_0 < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8))) [L53] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L57] COND FALSE !((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) [L62] var_1_12 = var_1_17 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return (((((((var_1_8 * var_1_20) * var_1_8) < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8)))) ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_7))) && (((var_1_18 / var_1_10) >= (var_1_18 / 128.6)) ? (var_1_8 == ((signed long int) ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20))) : ((var_1_18 <= var_1_10) ? (var_1_8 == ((signed long int) 256)) : (var_1_8 == ((signed long int) var_1_20))))) && (((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) ? (var_1_15 ? (var_1_12 == ((unsigned char) (((((var_1_16 - var_1_14)) > (var_1_7)) ? ((var_1_16 - var_1_14)) : (var_1_7))))) : 1) : (var_1_12 == ((unsigned char) var_1_17)))) && (var_1_18 == ((float) var_1_19))) && (var_1_20 == ((signed char) var_1_21)) ; VAL [\result=0, isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 68 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, 68 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 212 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 249 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1056/1088 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 [2025-01-09 12:34:39,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:34:41,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:34:41,642 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:34:41,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:34:41,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:34:41,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:34:41,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:34:41,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:34:41,675 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:34:41,675 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:34:41,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:34:41,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:34:41,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:34:41,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:34:41,676 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:34:41,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:34:41,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:34:41,676 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:34:41,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:34:41,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:34:41,678 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:41,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:41,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:41,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:34:41,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:34:41,679 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-jdk21/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 -> 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 [2025-01-09 12:34:41,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:34:41,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:34:41,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:34:41,939 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:34:41,940 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:34:41,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2025-01-09 12:34:43,149 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ea28dfd6/7b7bca85741548c2887b0cc0aa0e04e2/FLAG6393ac7e4 [2025-01-09 12:34:43,346 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:34:43,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2025-01-09 12:34:43,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ea28dfd6/7b7bca85741548c2887b0cc0aa0e04e2/FLAG6393ac7e4 [2025-01-09 12:34:43,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ea28dfd6/7b7bca85741548c2887b0cc0aa0e04e2 [2025-01-09 12:34:43,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:34:43,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:34:43,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:43,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:34:43,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:34:43,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88a877f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43, skipping insertion in model container [2025-01-09 12:34:43,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:34:43,481 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i[917,930] [2025-01-09 12:34:43,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:43,533 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:34:43,542 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i[917,930] [2025-01-09 12:34:43,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:43,571 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:34:43,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43 WrapperNode [2025-01-09 12:34:43,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:43,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:43,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:34:43,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:34:43,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,608 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2025-01-09 12:34:43,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:43,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:34:43,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:34:43,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:34:43,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,623 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,635 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]. [2025-01-09 12:34:43,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,645 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:34:43,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:34:43,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:34:43,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:34:43,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (1/1) ... [2025-01-09 12:34:43,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:43,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:43,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:34:43,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:34:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:34:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:34:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:34:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:34:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:34:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:34:43,782 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:34:43,783 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:34:57,318 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:34:57,318 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:34:57,331 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:34:57,331 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:34:57,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:57 BoogieIcfgContainer [2025-01-09 12:34:57,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:34:57,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:34:57,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:34:57,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:34:57,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:34:43" (1/3) ... [2025-01-09 12:34:57,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2b5806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:57, skipping insertion in model container [2025-01-09 12:34:57,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:43" (2/3) ... [2025-01-09 12:34:57,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2b5806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:57, skipping insertion in model container [2025-01-09 12:34:57,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:57" (3/3) ... [2025-01-09 12:34:57,342 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-75.i [2025-01-09 12:34:57,352 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:34:57,354 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-75.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:34:57,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:34:57,403 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;@1a1c68af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:34:57,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:34:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 12:34:57,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 12:34:57,414 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:57,414 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:57,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:57,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:57,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1600406760, now seen corresponding path program 1 times [2025-01-09 12:34:57,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:34:57,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397726521] [2025-01-09 12:34:57,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:57,427 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 [2025-01-09 12:34:57,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:34:57,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-01-09 12:34:57,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 12:34:57,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 12:34:58,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 12:34:58,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:58,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:34:58,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:34:58,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:34:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2025-01-09 12:34:58,746 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:34:58,746 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:34:58,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397726521] [2025-01-09 12:34:58,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397726521] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:34:58,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:34:58,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:34:58,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966293352] [2025-01-09 12:34:58,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:34:58,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:34:58,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:34:58,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:34:58,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:34:58,769 INFO L87 Difference]: Start difference. First operand has 50 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 12:34:58,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:34:58,783 INFO L93 Difference]: Finished difference Result 94 states and 158 transitions. [2025-01-09 12:34:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:34:58,784 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2025-01-09 12:34:58,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:34:58,788 INFO L225 Difference]: With dead ends: 94 [2025-01-09 12:34:58,788 INFO L226 Difference]: Without dead ends: 47 [2025-01-09 12:34:58,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:34:58,791 INFO L435 NwaCegarLoop]: 68 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, 68 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 [2025-01-09 12:34:58,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:34:58,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-01-09 12:34:58,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-01-09 12:34:58,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 12:34:58,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2025-01-09 12:34:58,838 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 107 [2025-01-09 12:34:58,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:34:58,839 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2025-01-09 12:34:58,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 12:34:58,839 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2025-01-09 12:34:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 12:34:58,841 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:58,841 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:58,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 12:34:59,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-01-09 12:34:59,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:59,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:59,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1574131862, now seen corresponding path program 1 times [2025-01-09 12:34:59,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:34:59,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590229436] [2025-01-09 12:34:59,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:59,049 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 [2025-01-09 12:34:59,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:34:59,053 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-01-09 12:34:59,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 12:34:59,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 12:35:00,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 12:35:00,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:35:00,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:35:00,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-09 12:35:00,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:35:27,546 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:35:35,972 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:35:44,226 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:35:52,616 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:36:01,037 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:36:09,473 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:36:17,885 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)