./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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/floats-cbmc-regression/float-no-simp3.c -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 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 12:39:59,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 12:39:59,686 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 12:39:59,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 12:39:59,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 12:39:59,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 12:39:59,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 12:39:59,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 12:39:59,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 12:39:59,715 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 12:39:59,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 12:39:59,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 12:39:59,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 12:39:59,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 12:39:59,716 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 12:39:59,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 12:39:59,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 12:39:59,716 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 12:39:59,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 12:39:59,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 12:39:59,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 12:39:59,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 12:39:59,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 12:39:59,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 12:39:59,717 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 12:39:59,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 12:39:59,717 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 12:39:59,717 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 12:39:59,717 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 12:39:59,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 12:39:59,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 12:39:59,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 12:39:59,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:39:59,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 12:39:59,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 12:39:59,719 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 12:39:59,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 12:39:59,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 12:39:59,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 12:39:59,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 12:39:59,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 12:39:59,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 12:39:59,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 12:39:59,719 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 -> 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 [2025-02-05 12:39:59,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 12:39:59,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 12:39:59,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 12:39:59,969 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 12:39:59,969 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 12:39:59,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2025-02-05 12:40:01,161 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbbc86acf/e2c6620ab7d147738aa17029385feb4d/FLAG4424650c8 [2025-02-05 12:40:01,419 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 12:40:01,421 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2025-02-05 12:40:01,427 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbbc86acf/e2c6620ab7d147738aa17029385feb4d/FLAG4424650c8 [2025-02-05 12:40:01,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbbc86acf/e2c6620ab7d147738aa17029385feb4d [2025-02-05 12:40:01,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 12:40:01,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 12:40:01,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 12:40:01,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 12:40:01,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 12:40:01,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc29e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01, skipping insertion in model container [2025-02-05 12:40:01,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 12:40:01,886 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/floats-cbmc-regression/float-no-simp3.c[358,371] [2025-02-05 12:40:01,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:40:01,897 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 12:40:01,906 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/floats-cbmc-regression/float-no-simp3.c[358,371] [2025-02-05 12:40:01,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:40:01,917 INFO L204 MainTranslator]: Completed translation [2025-02-05 12:40:01,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01 WrapperNode [2025-02-05 12:40:01,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 12:40:01,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 12:40:01,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 12:40:01,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 12:40:01,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,943 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2025-02-05 12:40:01,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 12:40:01,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 12:40:01,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 12:40:01,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 12:40:01,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,951 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,959 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]. [2025-02-05 12:40:01,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,964 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 12:40:01,970 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 12:40:01,970 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 12:40:01,970 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 12:40:01,971 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (1/1) ... [2025-02-05 12:40:01,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:40:01,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 12:40:01,997 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) [2025-02-05 12:40:01,999 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 [2025-02-05 12:40:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 12:40:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 12:40:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 12:40:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 12:40:02,059 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 12:40:02,061 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 12:40:02,112 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2025-02-05 12:40:02,112 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 12:40:02,117 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 12:40:02,118 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 12:40:02,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:02 BoogieIcfgContainer [2025-02-05 12:40:02,118 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 12:40:02,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 12:40:02,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 12:40:02,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 12:40:02,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 12:40:01" (1/3) ... [2025-02-05 12:40:02,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660b019b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:40:02, skipping insertion in model container [2025-02-05 12:40:02,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:01" (2/3) ... [2025-02-05 12:40:02,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660b019b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:40:02, skipping insertion in model container [2025-02-05 12:40:02,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:02" (3/3) ... [2025-02-05 12:40:02,125 INFO L128 eAbstractionObserver]: Analyzing ICFG float-no-simp3.c [2025-02-05 12:40:02,141 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 12:40:02,143 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float-no-simp3.c that has 1 procedures, 8 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-05 12:40:02,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 12:40:02,215 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;@c3cac88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 12:40:02,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 12:40:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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) [2025-02-05 12:40:02,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-05 12:40:02,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:40:02,223 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-05 12:40:02,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:40:02,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:40:02,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1107167, now seen corresponding path program 1 times [2025-02-05 12:40:02,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:40:02,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275566663] [2025-02-05 12:40:02,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:40:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:40:02,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-05 12:40:02,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-05 12:40:02,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:40:02,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 12:40:02,309 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 12:40:02,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-05 12:40:02,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-05 12:40:02,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:40:02,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 12:40:02,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 12:40:02,334 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 12:40:02,336 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 12:40:02,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 12:40:02,343 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 12:40:02,357 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 12:40:02,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 12:40:02 BoogieIcfgContainer [2025-02-05 12:40:02,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 12:40:02,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 12:40:02,361 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 12:40:02,361 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 12:40:02,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:02" (3/4) ... [2025-02-05 12:40:02,366 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 12:40:02,367 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 12:40:02,369 INFO L158 Benchmark]: Toolchain (without parser) took 612.92ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 71.5MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-05 12:40:02,370 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:02,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.54ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 93.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:40:02,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.33ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.9MB in the end (delta: 878.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:02,371 INFO L158 Benchmark]: Boogie Preprocessor took 24.31ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 92.0MB in the end (delta: 942.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:40:02,371 INFO L158 Benchmark]: IcfgBuilder took 147.95ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 83.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:40:02,372 INFO L158 Benchmark]: TraceAbstraction took 240.94ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 71.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:40:02,373 INFO L158 Benchmark]: Witness Printer took 6.56ms. Allocated memory is still 142.6MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:02,375 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 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.54ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 93.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.33ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.9MB in the end (delta: 878.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.31ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 92.0MB in the end (delta: 942.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 147.95ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 83.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 240.94ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 71.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.56ms. Allocated memory is still 142.6MB. Free memory is still 71.5MB. 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: 10]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L8] float fs1=2.0f/6.0f; [L9] float fs2=fs1*6.0f; [L10] COND TRUE !((int)fs2==2) [L10] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2025-02-05 12:40:02,390 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/floats-cbmc-regression/float-no-simp3.c -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 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 12:40:04,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 12:40:04,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 12:40:04,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 12:40:04,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 12:40:04,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 12:40:04,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 12:40:04,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 12:40:04,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 12:40:04,486 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 12:40:04,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 12:40:04,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 12:40:04,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 12:40:04,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 12:40:04,487 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 12:40:04,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 12:40:04,488 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 12:40:04,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:40:04,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 12:40:04,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 12:40:04,489 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 12:40:04,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 12:40:04,489 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 12:40:04,489 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 12:40:04,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 12:40:04,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 12:40:04,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 12:40:04,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 12:40:04,489 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 -> 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 [2025-02-05 12:40:04,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 12:40:04,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 12:40:04,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 12:40:04,798 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 12:40:04,798 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 12:40:04,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2025-02-05 12:40:05,976 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a58bf2281/fa27a53ce0424f34b48094e71f8c6f5e/FLAG85000affd [2025-02-05 12:40:06,162 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 12:40:06,163 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2025-02-05 12:40:06,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a58bf2281/fa27a53ce0424f34b48094e71f8c6f5e/FLAG85000affd [2025-02-05 12:40:06,525 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a58bf2281/fa27a53ce0424f34b48094e71f8c6f5e [2025-02-05 12:40:06,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 12:40:06,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 12:40:06,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 12:40:06,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 12:40:06,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 12:40:06,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbf0ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06, skipping insertion in model container [2025-02-05 12:40:06,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 12:40:06,643 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/floats-cbmc-regression/float-no-simp3.c[358,371] [2025-02-05 12:40:06,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:40:06,660 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 12:40:06,671 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/floats-cbmc-regression/float-no-simp3.c[358,371] [2025-02-05 12:40:06,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:40:06,684 INFO L204 MainTranslator]: Completed translation [2025-02-05 12:40:06,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06 WrapperNode [2025-02-05 12:40:06,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 12:40:06,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 12:40:06,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 12:40:06,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 12:40:06,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,708 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2025-02-05 12:40:06,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 12:40:06,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 12:40:06,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 12:40:06,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 12:40:06,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,726 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]. [2025-02-05 12:40:06,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,737 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 12:40:06,741 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 12:40:06,741 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 12:40:06,741 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 12:40:06,742 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (1/1) ... [2025-02-05 12:40:06,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:40:06,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 12:40:06,770 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) [2025-02-05 12:40:06,774 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 [2025-02-05 12:40:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 12:40:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 12:40:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 12:40:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 12:40:06,840 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 12:40:06,842 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 12:40:06,981 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-02-05 12:40:06,981 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 12:40:06,989 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 12:40:06,990 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 12:40:06,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:06 BoogieIcfgContainer [2025-02-05 12:40:06,990 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 12:40:06,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 12:40:06,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 12:40:06,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 12:40:06,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 12:40:06" (1/3) ... [2025-02-05 12:40:06,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4c574e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:40:06, skipping insertion in model container [2025-02-05 12:40:07,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:06" (2/3) ... [2025-02-05 12:40:07,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4c574e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:40:07, skipping insertion in model container [2025-02-05 12:40:07,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:06" (3/3) ... [2025-02-05 12:40:07,002 INFO L128 eAbstractionObserver]: Analyzing ICFG float-no-simp3.c [2025-02-05 12:40:07,017 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 12:40:07,018 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float-no-simp3.c that has 1 procedures, 8 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-05 12:40:07,062 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 12:40:07,077 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;@360311b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 12:40:07,078 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 12:40:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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) [2025-02-05 12:40:07,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-05 12:40:07,089 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:40:07,089 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-05 12:40:07,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 12:40:07,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:40:07,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1107167, now seen corresponding path program 1 times [2025-02-05 12:40:07,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 12:40:07,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995449496] [2025-02-05 12:40:07,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:40:07,107 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 [2025-02-05 12:40:07,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 12:40:07,111 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) [2025-02-05 12:40:07,117 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 [2025-02-05 12:40:07,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-05 12:40:07,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-05 12:40:07,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:40:07,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:40:07,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-05 12:40:07,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 12:40:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 12:40:07,272 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 12:40:07,273 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 12:40:07,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995449496] [2025-02-05 12:40:07,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995449496] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:40:07,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:40:07,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 12:40:07,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135607287] [2025-02-05 12:40:07,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:40:07,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 12:40:07,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 12:40:07,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 12:40:07,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-05 12:40:07,296 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-02-05 12:40:07,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:40:07,355 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2025-02-05 12:40:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 12:40:07,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-02-05 12:40:07,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:40:07,363 INFO L225 Difference]: With dead ends: 11 [2025-02-05 12:40:07,363 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 12:40:07,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-05 12:40:07,367 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 12:40:07,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 12:40:07,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 12:40:07,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 12:40:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-02-05 12:40:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 12:40:07,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2025-02-05 12:40:07,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:40:07,383 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 12:40:07,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-02-05 12:40:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 12:40:07,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 12:40:07,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 12:40:07,391 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 [2025-02-05 12:40:07,587 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 [2025-02-05 12:40:07,589 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 12:40:07,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 12:40:07,594 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 12:40:07,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 12:40:07 BoogieIcfgContainer [2025-02-05 12:40:07,598 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 12:40:07,599 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 12:40:07,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 12:40:07,599 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 12:40:07,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:06" (3/4) ... [2025-02-05 12:40:07,601 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 12:40:07,610 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-05 12:40:07,610 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-05 12:40:07,610 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 12:40:07,610 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 12:40:07,684 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 12:40:07,684 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 12:40:07,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 12:40:07,685 INFO L158 Benchmark]: Toolchain (without parser) took 1157.27ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 48.4MB in the end (delta: 44.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 12:40:07,686 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 63.0MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:07,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.62ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:40:07,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.52ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.8MB in the end (delta: 897.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:07,687 INFO L158 Benchmark]: Boogie Preprocessor took 31.83ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:07,687 INFO L158 Benchmark]: IcfgBuilder took 249.16ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 70.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:40:07,687 INFO L158 Benchmark]: TraceAbstraction took 605.38ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 53.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 12:40:07,688 INFO L158 Benchmark]: Witness Printer took 85.28ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 48.4MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:07,689 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 63.0MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.62ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.52ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.8MB in the end (delta: 897.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.83ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 249.16ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 70.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 605.38ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 53.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 85.28ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 48.4MB in the end (delta: 5.1MB). 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 - PositiveResult [Line: 10]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 1 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-05 12:40:07,712 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: TRUE