./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34060a1409d8254be36e4d20a98f8f130e1eaa35e89fcb0e546b71a47720fa1d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:38:50,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:38:50,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 13:38:50,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:38:50,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:38:50,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:38:50,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:38:50,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:38:50,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:38:50,949 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:38:50,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:38:50,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:38:50,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:38:50,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:38:50,949 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:38:50,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:38:50,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:38:50,949 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:38:50,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 13:38:50,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:38:50,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:38:50,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:38:50,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:38:50,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:38:50,952 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:38:50,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:38:50,952 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:38:50,952 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:38:50,952 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:38:50,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:38:50,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:38:50,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:38:50,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:38:50,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:38:50,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:38:50,953 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:38:50,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:38:50,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 13:38:50,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 13:38:50,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:38:50,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:38:50,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:38:50,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:38:50,954 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34060a1409d8254be36e4d20a98f8f130e1eaa35e89fcb0e546b71a47720fa1d [2025-03-08 13:38:51,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:38:51,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:38:51,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:38:51,296 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:38:51,296 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:38:51,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-08 13:38:52,511 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62220488e/fc20ef2a0c8842af9e8b47e962f27b24/FLAG212a6f528 [2025-03-08 13:38:52,804 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:38:52,805 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-08 13:38:52,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62220488e/fc20ef2a0c8842af9e8b47e962f27b24/FLAG212a6f528 [2025-03-08 13:38:52,833 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62220488e/fc20ef2a0c8842af9e8b47e962f27b24 [2025-03-08 13:38:52,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:38:52,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:38:52,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:38:52,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:38:52,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:38:52,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:38:52" (1/1) ... [2025-03-08 13:38:52,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b295fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:52, skipping insertion in model container [2025-03-08 13:38:52,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:38:52" (1/1) ... [2025-03-08 13:38:52,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:38:52,968 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i[917,930] [2025-03-08 13:38:53,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:38:53,016 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:38:53,024 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i[917,930] [2025-03-08 13:38:53,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:38:53,053 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:38:53,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53 WrapperNode [2025-03-08 13:38:53,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:38:53,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:38:53,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:38:53,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:38:53,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,080 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2025-03-08 13:38:53,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:38:53,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:38:53,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:38:53,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:38:53,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,098 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 13:38:53,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,105 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:38:53,116 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:38:53,116 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:38:53,116 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:38:53,117 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (1/1) ... [2025-03-08 13:38:53,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:38:53,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:38:53,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 13:38:53,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 13:38:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:38:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:38:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:38:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 13:38:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:38:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:38:53,208 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:38:53,210 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:38:53,392 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-08 13:38:53,393 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:38:53,404 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:38:53,404 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:38:53,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:38:53 BoogieIcfgContainer [2025-03-08 13:38:53,405 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:38:53,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:38:53,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:38:53,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:38:53,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:38:52" (1/3) ... [2025-03-08 13:38:53,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1fc3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:38:53, skipping insertion in model container [2025-03-08 13:38:53,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:53" (2/3) ... [2025-03-08 13:38:53,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1fc3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:38:53, skipping insertion in model container [2025-03-08 13:38:53,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:38:53" (3/3) ... [2025-03-08 13:38:53,412 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-08 13:38:53,422 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:38:53,423 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-65.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:38:53,475 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:38:53,486 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;@60e74851, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:38:53,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:38:53,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 13:38:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 13:38:53,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:38:53,500 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:38:53,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:38:53,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:38:53,506 INFO L85 PathProgramCache]: Analyzing trace with hash 740657546, now seen corresponding path program 1 times [2025-03-08 13:38:53,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:38:53,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575262522] [2025-03-08 13:38:53,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:38:53,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:38:53,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 13:38:53,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 13:38:53,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:38:53,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:38:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-03-08 13:38:53,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:38:53,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575262522] [2025-03-08 13:38:53,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575262522] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 13:38:53,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949422490] [2025-03-08 13:38:53,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:38:53,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:38:53,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:38:53,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 13:38:53,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 13:38:53,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 13:38:53,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 13:38:53,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:38:53,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:38:53,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:38:53,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:38:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-03-08 13:38:53,805 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:38:53,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949422490] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:38:53,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 13:38:53,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 13:38:53,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300354399] [2025-03-08 13:38:53,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:38:53,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:38:53,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:38:53,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:38:53,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:38:53,829 INFO L87 Difference]: Start difference. First operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 13:38:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:38:53,848 INFO L93 Difference]: Finished difference Result 82 states and 130 transitions. [2025-03-08 13:38:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:38:53,850 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2025-03-08 13:38:53,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:38:53,855 INFO L225 Difference]: With dead ends: 82 [2025-03-08 13:38:53,856 INFO L226 Difference]: Without dead ends: 41 [2025-03-08 13:38:53,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:38:53,861 INFO L435 NwaCegarLoop]: 57 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, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:38:53,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:38:53,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-08 13:38:53,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-03-08 13:38:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 13:38:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2025-03-08 13:38:53,887 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 77 [2025-03-08 13:38:53,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:38:53,887 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2025-03-08 13:38:53,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 13:38:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2025-03-08 13:38:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 13:38:53,892 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:38:53,892 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:38:53,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 13:38:54,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 13:38:54,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:38:54,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:38:54,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1844490897, now seen corresponding path program 1 times [2025-03-08 13:38:54,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:38:54,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700410028] [2025-03-08 13:38:54,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:38:54,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:38:54,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 13:38:54,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 13:38:54,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:38:54,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:38:54,158 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 13:38:54,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 13:38:54,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 13:38:54,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:38:54,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:38:54,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 13:38:54,262 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 13:38:54,263 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 13:38:54,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 13:38:54,267 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 13:38:54,315 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 13:38:54,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 01:38:54 BoogieIcfgContainer [2025-03-08 13:38:54,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 13:38:54,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 13:38:54,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 13:38:54,319 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 13:38:54,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:38:53" (3/4) ... [2025-03-08 13:38:54,321 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 13:38:54,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 13:38:54,322 INFO L158 Benchmark]: Toolchain (without parser) took 1485.79ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 41.3MB in the end (delta: 82.2MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2025-03-08 13:38:54,323 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:38:54,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.70ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 110.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:38:54,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.71ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 109.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:38:54,323 INFO L158 Benchmark]: Boogie Preprocessor took 34.52ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:38:54,323 INFO L158 Benchmark]: IcfgBuilder took 288.33ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 91.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:38:54,323 INFO L158 Benchmark]: TraceAbstraction took 911.72ms. Allocated memory is still 167.8MB. Free memory was 91.6MB in the beginning and 41.3MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-08 13:38:54,324 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 167.8MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:38:54,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.70ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 110.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.71ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 109.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.52ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 288.33ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 91.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 911.72ms. Allocated memory is still 167.8MB. Free memory was 91.6MB in the beginning and 41.3MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 167.8MB. Free memory is still 41.3MB. 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 52, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of someUnaryFLOAToperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 1000000000.1; [L23] unsigned char var_1_3 = 1; [L24] float var_1_4 = 8.2; [L25] signed long int var_1_5 = -32; [L26] double var_1_9 = 100.5; [L27] double var_1_12 = 25.25; [L28] double var_1_13 = 63.6; [L29] double var_1_14 = 0.0; [L30] double var_1_15 = 0.8; [L31] signed char var_1_16 = -8; [L32] signed char var_1_17 = 8; [L33] unsigned short int var_1_18 = 2; [L34] unsigned short int var_1_19 = 50; [L35] unsigned short int var_1_20 = 0; [L36] double last_1_var_1_9 = 100.5; VAL [isInitial=0, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] CALL updateLastVariables() [L85] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L95] RET updateLastVariables() [L96] CALL updateVariables() [L64] var_1_3 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L65] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L66] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L66] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L67] var_1_4 = __VERIFIER_nondet_float() [L68] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L68] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L69] var_1_12 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L70] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L71] var_1_13 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L72] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L73] var_1_14 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L74] RET assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L75] var_1_15 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L76] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L77] var_1_17 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L78] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L79] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L79] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L80] var_1_19 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L81] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L82] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L82] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L96] RET updateVariables() [L97] CALL step() [L40] COND FALSE !(0.625f > last_1_var_1_9) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=1000000005, var_1_20=0, var_1_3=1, var_1_4=1000000005, var_1_5=-32, var_1_9=201/2] [L47] var_1_16 = var_1_17 [L48] var_1_18 = var_1_19 [L49] var_1_20 = var_1_19 VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-32, var_1_9=201/2] [L50] COND TRUE \read(var_1_3) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-32, var_1_9=201/2] [L51] COND TRUE var_1_20 >= ((var_1_18 - var_1_20) * 64) [L52] var_1_9 = (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-32] [L59] COND TRUE var_1_4 > var_1_9 [L60] var_1_5 = (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return ((((((0.625f > last_1_var_1_9) ? (var_1_3 ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && ((var_1_4 > var_1_9) ? (var_1_5 == ((signed long int) (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)))) : 1)) && (var_1_3 ? ((var_1_20 >= ((var_1_18 - var_1_20) * 64)) ? (var_1_9 == ((double) (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13))) : 1) : ((var_1_1 <= var_1_1) ? (var_1_9 == ((double) (var_1_13 - (var_1_14 - var_1_15)))) : 1))) && (var_1_16 == ((signed char) var_1_17))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((unsigned short int) var_1_19)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 73 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 57 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, 57 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 194 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 13:38:54,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34060a1409d8254be36e4d20a98f8f130e1eaa35e89fcb0e546b71a47720fa1d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:38:56,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:38:56,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 13:38:56,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:38:56,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:38:56,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:38:56,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:38:56,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:38:56,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:38:56,403 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:38:56,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:38:56,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:38:56,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:38:56,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:38:56,404 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:38:56,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:38:56,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:38:56,404 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:38:56,405 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:38:56,406 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:38:56,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:38:56,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:38:56,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:38:56,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:38:56,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:38:56,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:38:56,406 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:38:56,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:38:56,406 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 13:38:56,406 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 13:38:56,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:38:56,407 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:38:56,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:38:56,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:38:56,407 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34060a1409d8254be36e4d20a98f8f130e1eaa35e89fcb0e546b71a47720fa1d [2025-03-08 13:38:56,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:38:56,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:38:56,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:38:56,654 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:38:56,655 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:38:56,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-08 13:38:57,845 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da39c1992/85c7a1f3e9c94981aaffeb7f79fec5f9/FLAGf858111ae [2025-03-08 13:38:58,000 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:38:58,000 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-08 13:38:58,007 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da39c1992/85c7a1f3e9c94981aaffeb7f79fec5f9/FLAGf858111ae [2025-03-08 13:38:58,394 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da39c1992/85c7a1f3e9c94981aaffeb7f79fec5f9 [2025-03-08 13:38:58,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:38:58,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:38:58,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:38:58,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:38:58,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:38:58,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2201fb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58, skipping insertion in model container [2025-03-08 13:38:58,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:38:58,522 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i[917,930] [2025-03-08 13:38:58,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:38:58,565 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:38:58,573 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-65.i[917,930] [2025-03-08 13:38:58,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:38:58,597 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:38:58,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58 WrapperNode [2025-03-08 13:38:58,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:38:58,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:38:58,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:38:58,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:38:58,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,625 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2025-03-08 13:38:58,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:38:58,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:38:58,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:38:58,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:38:58,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,645 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 13:38:58,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,651 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:38:58,656 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:38:58,656 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:38:58,656 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:38:58,657 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (1/1) ... [2025-03-08 13:38:58,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:38:58,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:38:58,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 13:38:58,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 13:38:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:38:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 13:38:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:38:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:38:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:38:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:38:58,774 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:38:58,776 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:39:02,721 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-08 13:39:02,721 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:39:02,727 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:39:02,727 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:39:02,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:39:02 BoogieIcfgContainer [2025-03-08 13:39:02,727 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:39:02,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:39:02,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:39:02,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:39:02,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:38:58" (1/3) ... [2025-03-08 13:39:02,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0aa239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:39:02, skipping insertion in model container [2025-03-08 13:39:02,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:38:58" (2/3) ... [2025-03-08 13:39:02,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0aa239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:39:02, skipping insertion in model container [2025-03-08 13:39:02,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:39:02" (3/3) ... [2025-03-08 13:39:02,735 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-65.i [2025-03-08 13:39:02,746 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:39:02,747 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-65.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:39:02,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:39:02,793 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;@51b6abaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:39:02,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:39:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 13:39:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 13:39:02,802 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:39:02,802 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:39:02,803 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:39:02,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:39:02,808 INFO L85 PathProgramCache]: Analyzing trace with hash 740657546, now seen corresponding path program 1 times [2025-03-08 13:39:02,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:39:02,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481881089] [2025-03-08 13:39:02,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:39:02,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:39:02,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:39:02,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:39:02,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 13:39:02,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 13:39:03,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 13:39:03,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:39:03,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:39:03,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:39:03,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:39:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2025-03-08 13:39:03,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:39:03,166 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 13:39:03,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481881089] [2025-03-08 13:39:03,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481881089] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:39:03,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:39:03,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 13:39:03,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969618436] [2025-03-08 13:39:03,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:39:03,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:39:03,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 13:39:03,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:39:03,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:39:03,186 INFO L87 Difference]: Start difference. First operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 13:39:03,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:39:03,201 INFO L93 Difference]: Finished difference Result 82 states and 130 transitions. [2025-03-08 13:39:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:39:03,202 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2025-03-08 13:39:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:39:03,207 INFO L225 Difference]: With dead ends: 82 [2025-03-08 13:39:03,207 INFO L226 Difference]: Without dead ends: 41 [2025-03-08 13:39:03,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:39:03,213 INFO L435 NwaCegarLoop]: 57 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, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 13:39:03,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 13:39:03,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-08 13:39:03,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-03-08 13:39:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 13:39:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2025-03-08 13:39:03,238 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 77 [2025-03-08 13:39:03,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:39:03,239 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2025-03-08 13:39:03,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 13:39:03,239 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2025-03-08 13:39:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 13:39:03,241 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:39:03,241 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 13:39:03,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-08 13:39:03,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:39:03,442 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:39:03,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:39:03,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1844490897, now seen corresponding path program 1 times [2025-03-08 13:39:03,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:39:03,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561542616] [2025-03-08 13:39:03,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:39:03,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:39:03,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:39:03,445 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:39:03,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 13:39:03,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 13:39:03,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 13:39:03,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:39:03,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:39:03,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-08 13:39:03,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:39:32,780 WARN L286 SmtUtils]: Spent 11.89s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)