./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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/neural-networks/cos_7_safe.c-amalgamation.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 bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:03:53,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:03:53,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 19:03:53,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:03:53,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:03:53,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:03:53,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:03:53,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:03:53,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:03:53,754 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:03:53,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:03:53,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:03:53,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:03:53,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:03:53,756 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:03:53,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:03:53,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:03:53,756 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:03:53,757 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:03:53,758 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:03:53,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:03:53,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:03:53,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:03:53,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:03:53,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:03:53,759 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 -> bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 [2025-02-07 19:03:54,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:03:54,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:03:54,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:03:54,072 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:03:54,072 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:03:54,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2025-02-07 19:03:55,366 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac30d629e/0aefeedade5646e6a6e76f249e161ba2/FLAGf25d42cb5 [2025-02-07 19:03:55,768 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:03:55,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2025-02-07 19:03:55,790 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac30d629e/0aefeedade5646e6a6e76f249e161ba2/FLAGf25d42cb5 [2025-02-07 19:03:55,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac30d629e/0aefeedade5646e6a6e76f249e161ba2 [2025-02-07 19:03:55,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:03:55,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:03:55,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:03:55,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:03:55,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:03:55,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:03:55" (1/1) ... [2025-02-07 19:03:55,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6b090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:55, skipping insertion in model container [2025-02-07 19:03:55,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:03:55" (1/1) ... [2025-02-07 19:03:55,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:03:56,350 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/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2025-02-07 19:03:56,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:03:56,361 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 19:03:56,410 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/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2025-02-07 19:03:56,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:03:56,514 INFO L204 MainTranslator]: Completed translation [2025-02-07 19:03:56,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56 WrapperNode [2025-02-07 19:03:56,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 19:03:56,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 19:03:56,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 19:03:56,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 19:03:56,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,552 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2025-02-07 19:03:56,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 19:03:56,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 19:03:56,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 19:03:56,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 19:03:56,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,571 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-02-07 19:03:56,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 19:03:56,578 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 19:03:56,578 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 19:03:56,578 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 19:03:56,579 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (1/1) ... [2025-02-07 19:03:56,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:03:56,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 19:03:56,610 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) [2025-02-07 19:03:56,616 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 [2025-02-07 19:03:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 19:03:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 19:03:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 19:03:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 19:03:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 19:03:56,733 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 19:03:56,735 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 19:03:56,838 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-02-07 19:03:56,838 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 19:03:56,846 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 19:03:56,847 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 19:03:56,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:03:56 BoogieIcfgContainer [2025-02-07 19:03:56,848 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 19:03:56,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 19:03:56,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 19:03:56,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 19:03:56,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:03:55" (1/3) ... [2025-02-07 19:03:56,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df5913a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:03:56, skipping insertion in model container [2025-02-07 19:03:56,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:03:56" (2/3) ... [2025-02-07 19:03:56,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df5913a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:03:56, skipping insertion in model container [2025-02-07 19:03:56,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:03:56" (3/3) ... [2025-02-07 19:03:56,858 INFO L128 eAbstractionObserver]: Analyzing ICFG cos_7_safe.c-amalgamation.i [2025-02-07 19:03:56,871 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 19:03:56,874 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cos_7_safe.c-amalgamation.i that has 1 procedures, 10 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-07 19:03:56,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 19:03:56,933 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;@e681aee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 19:03:56,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 19:03:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 19:03:56,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-07 19:03:56,943 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:03:56,943 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-07 19:03:56,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:03:56,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:03:56,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1181367005, now seen corresponding path program 1 times [2025-02-07 19:03:56,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 19:03:56,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069362370] [2025-02-07 19:03:56,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:03:56,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 19:03:57,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-07 19:03:57,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-07 19:03:57,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:03:57,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:03:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 19:03:57,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 19:03:57,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069362370] [2025-02-07 19:03:57,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069362370] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:03:57,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:03:57,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 19:03:57,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874489184] [2025-02-07 19:03:57,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:03:57,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 19:03:57,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 19:03:57,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 19:03:57,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:03:57,118 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 19:03:57,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:03:57,126 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2025-02-07 19:03:57,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 19:03:57,128 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-07 19:03:57,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:03:57,135 INFO L225 Difference]: With dead ends: 17 [2025-02-07 19:03:57,135 INFO L226 Difference]: Without dead ends: 7 [2025-02-07 19:03:57,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:03:57,141 INFO L435 NwaCegarLoop]: 10 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, 10 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 [2025-02-07 19:03:57,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 19:03:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2025-02-07 19:03:57,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2025-02-07 19:03:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 19:03:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2025-02-07 19:03:57,163 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 6 [2025-02-07 19:03:57,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:03:57,164 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2025-02-07 19:03:57,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 19:03:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2025-02-07 19:03:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-07 19:03:57,165 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:03:57,166 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-07 19:03:57,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 19:03:57,166 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:03:57,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:03:57,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1181396796, now seen corresponding path program 1 times [2025-02-07 19:03:57,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 19:03:57,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225077085] [2025-02-07 19:03:57,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:03:57,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 19:03:57,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-07 19:03:57,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-07 19:03:57,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:03:57,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 19:03:57,190 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 19:03:57,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-07 19:03:57,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-07 19:03:57,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:03:57,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 19:03:57,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 19:03:57,219 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 19:03:57,220 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 19:03:57,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 19:03:57,224 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-07 19:03:57,235 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 19:03:57,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:03:57 BoogieIcfgContainer [2025-02-07 19:03:57,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 19:03:57,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 19:03:57,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 19:03:57,241 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 19:03:57,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:03:56" (3/4) ... [2025-02-07 19:03:57,244 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 19:03:57,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 19:03:57,245 INFO L158 Benchmark]: Toolchain (without parser) took 1314.62ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 82.3MB in the end (delta: 19.0MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2025-02-07 19:03:57,245 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:03:57,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.37ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 45.4MB in the end (delta: 55.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-07 19:03:57,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.38ms. Allocated memory is still 142.6MB. Free memory was 45.4MB in the beginning and 43.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:03:57,247 INFO L158 Benchmark]: Boogie Preprocessor took 24.51ms. Allocated memory is still 142.6MB. Free memory was 43.4MB in the beginning and 42.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:03:57,247 INFO L158 Benchmark]: IcfgBuilder took 270.22ms. Allocated memory is still 142.6MB. Free memory was 42.0MB in the beginning and 102.1MB in the end (delta: -60.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2025-02-07 19:03:57,249 INFO L158 Benchmark]: TraceAbstraction took 389.84ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 83.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 19:03:57,249 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:03:57,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.37ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 45.4MB in the end (delta: 55.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.38ms. Allocated memory is still 142.6MB. Free memory was 45.4MB in the beginning and 43.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.51ms. Allocated memory is still 142.6MB. Free memory was 43.4MB in the beginning and 42.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 270.22ms. Allocated memory is still 142.6MB. Free memory was 42.0MB in the beginning and 102.1MB in the end (delta: -60.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 389.84ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 83.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. 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: 851]: 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 cosf at line 850, overapproximation of someBinaryFLOATComparisonOperation at line 851, overapproximation of someBinaryFLOATComparisonOperation at line 848. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L849] float y = cosf(x); [L850] float z = cosf(-x); [L851] COND TRUE !(y == z) [L851] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, 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, 10 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, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 [2025-02-07 19:03:57,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-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/neural-networks/cos_7_safe.c-amalgamation.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 bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 19:03:59,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 19:03:59,544 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 19:03:59,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 19:03:59,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 19:03:59,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 19:03:59,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 19:03:59,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 19:03:59,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 19:03:59,612 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 19:03:59,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 19:03:59,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 19:03:59,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 19:03:59,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 19:03:59,612 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 19:03:59,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 19:03:59,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 19:03:59,614 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:03:59,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 19:03:59,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 19:03:59,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 19:03:59,615 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 -> bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 [2025-02-07 19:03:59,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 19:03:59,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 19:03:59,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 19:03:59,890 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 19:03:59,890 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 19:03:59,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2025-02-07 19:04:01,198 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2442e8044/0e922251d8034b1488d13580ed194302/FLAG946aa61fe [2025-02-07 19:04:01,492 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 19:04:01,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2025-02-07 19:04:01,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2442e8044/0e922251d8034b1488d13580ed194302/FLAG946aa61fe [2025-02-07 19:04:01,758 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2442e8044/0e922251d8034b1488d13580ed194302 [2025-02-07 19:04:01,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 19:04:01,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 19:04:01,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 19:04:01,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 19:04:01,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 19:04:01,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:04:01" (1/1) ... [2025-02-07 19:04:01,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cbe594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:01, skipping insertion in model container [2025-02-07 19:04:01,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:04:01" (1/1) ... [2025-02-07 19:04:01,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 19:04:02,385 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/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2025-02-07 19:04:02,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:04:02,398 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 19:04:02,446 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/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2025-02-07 19:04:02,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 19:04:02,565 INFO L204 MainTranslator]: Completed translation [2025-02-07 19:04:02,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02 WrapperNode [2025-02-07 19:04:02,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 19:04:02,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 19:04:02,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 19:04:02,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 19:04:02,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,613 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2025-02-07 19:04:02,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 19:04:02,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 19:04:02,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 19:04:02,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 19:04:02,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,635 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-02-07 19:04:02,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,640 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 19:04:02,647 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 19:04:02,648 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 19:04:02,648 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 19:04:02,648 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (1/1) ... [2025-02-07 19:04:02,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 19:04:02,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 19:04:02,673 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) [2025-02-07 19:04:02,675 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 [2025-02-07 19:04:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 19:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 19:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 19:04:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 19:04:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 19:04:02,778 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 19:04:02,779 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 19:04:02,852 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2025-02-07 19:04:02,852 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 19:04:02,859 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 19:04:02,859 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 19:04:02,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:04:02 BoogieIcfgContainer [2025-02-07 19:04:02,859 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 19:04:02,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 19:04:02,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 19:04:02,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 19:04:02,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:04:01" (1/3) ... [2025-02-07 19:04:02,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24eca307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:04:02, skipping insertion in model container [2025-02-07 19:04:02,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:04:02" (2/3) ... [2025-02-07 19:04:02,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24eca307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:04:02, skipping insertion in model container [2025-02-07 19:04:02,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:04:02" (3/3) ... [2025-02-07 19:04:02,869 INFO L128 eAbstractionObserver]: Analyzing ICFG cos_7_safe.c-amalgamation.i [2025-02-07 19:04:02,881 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 19:04:02,884 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cos_7_safe.c-amalgamation.i that has 1 procedures, 9 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-07 19:04:02,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 19:04:02,930 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;@52c47534, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 19:04:02,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 19:04:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 19:04:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-07 19:04:02,939 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:04:02,939 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-07 19:04:02,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:04:02,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:04:02,943 INFO L85 PathProgramCache]: Analyzing trace with hash 36200965, now seen corresponding path program 1 times [2025-02-07 19:04:02,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:04:02,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705241428] [2025-02-07 19:04:02,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:04:02,956 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 [2025-02-07 19:04:02,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:04:02,961 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) [2025-02-07 19:04:02,964 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 [2025-02-07 19:04:03,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-07 19:04:03,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-07 19:04:03,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:04:03,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 19:04:03,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 19:04:03,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 19:04:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 19:04:03,041 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 19:04:03,042 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 19:04:03,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705241428] [2025-02-07 19:04:03,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705241428] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 19:04:03,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 19:04:03,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 19:04:03,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945251486] [2025-02-07 19:04:03,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 19:04:03,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 19:04:03,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 19:04:03,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 19:04:03,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:04:03,063 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 19:04:03,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 19:04:03,069 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2025-02-07 19:04:03,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 19:04:03,070 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-07 19:04:03,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 19:04:03,074 INFO L225 Difference]: With dead ends: 16 [2025-02-07 19:04:03,074 INFO L226 Difference]: Without dead ends: 6 [2025-02-07 19:04:03,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 19:04:03,078 INFO L435 NwaCegarLoop]: 8 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, 8 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 [2025-02-07 19:04:03,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 19:04:03,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2025-02-07 19:04:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2025-02-07 19:04:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 19:04:03,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2025-02-07 19:04:03,099 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 5 [2025-02-07 19:04:03,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 19:04:03,099 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2025-02-07 19:04:03,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 19:04:03,100 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2025-02-07 19:04:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-07 19:04:03,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 19:04:03,100 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-07 19:04:03,105 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-02-07 19:04:03,301 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 [2025-02-07 19:04:03,301 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 19:04:03,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 19:04:03,302 INFO L85 PathProgramCache]: Analyzing trace with hash 36230756, now seen corresponding path program 1 times [2025-02-07 19:04:03,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 19:04:03,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799526547] [2025-02-07 19:04:03,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 19:04:03,302 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 [2025-02-07 19:04:03,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 19:04:03,305 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) [2025-02-07 19:04:03,306 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 [2025-02-07 19:04:03,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-07 19:04:03,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-07 19:04:03,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:04:03,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 19:04:03,341 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 19:04:03,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-07 19:04:03,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-07 19:04:03,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 19:04:03,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 19:04:03,372 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-07 19:04:03,372 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 19:04:03,374 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 19:04:03,379 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 (3)] Ended with exit code 0 [2025-02-07 19:04:03,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2025-02-07 19:04:03,578 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-07 19:04:03,588 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 19:04:03,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:04:03 BoogieIcfgContainer [2025-02-07 19:04:03,593 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 19:04:03,595 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 19:04:03,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 19:04:03,595 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 19:04:03,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 07:04:02" (3/4) ... [2025-02-07 19:04:03,597 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 19:04:03,598 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 19:04:03,599 INFO L158 Benchmark]: Toolchain (without parser) took 1837.66ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 42.7MB in the end (delta: 45.6MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2025-02-07 19:04:03,599 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:04:03,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.44ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 76.2MB in the end (delta: 11.9MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2025-02-07 19:04:03,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.70ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:04:03,600 INFO L158 Benchmark]: Boogie Preprocessor took 29.96ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 72.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:04:03,600 INFO L158 Benchmark]: IcfgBuilder took 212.02ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 62.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 19:04:03,600 INFO L158 Benchmark]: TraceAbstraction took 731.70ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 42.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 19:04:03,601 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 117.4MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 19:04:03,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.44ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 76.2MB in the end (delta: 11.9MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.70ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.96ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 72.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 212.02ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 62.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 731.70ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 42.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 117.4MB. Free memory is still 42.7MB. 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: 851]: 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 cosf at line 850, overapproximation of __builtin_isinf_sign at line 848. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L849] float y = cosf(x); [L850] float z = cosf(-x); [L851] COND TRUE !(y == z) [L851] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, 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, 8 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, 8 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 [2025-02-07 19:04:03,622 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample