./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.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 f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:58:23,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:58:23,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:58:23,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:58:23,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:58:23,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:58:23,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:58:23,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:58:23,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:58:23,407 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:58:23,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:58:23,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:58:23,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:58:23,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:58:23,409 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:58:23,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:58:23,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:58:23,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:58:23,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:58:23,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:58:23,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:58:23,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:58:23,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:58:23,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:58:23,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:58:23,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:58:23,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:58:23,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:58:23,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:58:23,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:58:23,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:58:23,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:58:23,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:58:23,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:58:23,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:58:23,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:58:23,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:58:23,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:58:23,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:58:23,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:58:23,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:58:23,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:58:23,420 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa [2024-11-20 05:58:23,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:58:23,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:58:23,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:58:23,702 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:58:23,702 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:58:23,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2024-11-20 05:58:25,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:58:25,264 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:58:25,265 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2024-11-20 05:58:25,273 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5049ea52/45153979105440c496e8a0769f994ef6/FLAGa73559eb9 [2024-11-20 05:58:25,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5049ea52/45153979105440c496e8a0769f994ef6 [2024-11-20 05:58:25,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:58:25,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:58:25,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:58:25,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:58:25,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:58:25,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794e2f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25, skipping insertion in model container [2024-11-20 05:58:25,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:58:25,529 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-94.i[917,930] [2024-11-20 05:58:25,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:58:25,620 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:58:25,636 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-94.i[917,930] [2024-11-20 05:58:25,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:58:25,692 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:58:25,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25 WrapperNode [2024-11-20 05:58:25,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:58:25,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:58:25,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:58:25,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:58:25,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,766 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-11-20 05:58:25,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:58:25,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:58:25,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:58:25,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:58:25,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,801 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]. [2024-11-20 05:58:25,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:58:25,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:58:25,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:58:25,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:58:25,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (1/1) ... [2024-11-20 05:58:25,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:58:25,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:58:25,866 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) [2024-11-20 05:58:25,868 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 [2024-11-20 05:58:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:58:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:58:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:58:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:58:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:58:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:58:25,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:58:25,978 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:58:26,286 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-20 05:58:26,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:58:26,301 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:58:26,302 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:58:26,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:58:26 BoogieIcfgContainer [2024-11-20 05:58:26,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:58:26,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:58:26,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:58:26,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:58:26,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:58:25" (1/3) ... [2024-11-20 05:58:26,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27628612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:58:26, skipping insertion in model container [2024-11-20 05:58:26,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:25" (2/3) ... [2024-11-20 05:58:26,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27628612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:58:26, skipping insertion in model container [2024-11-20 05:58:26,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:58:26" (3/3) ... [2024-11-20 05:58:26,313 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-94.i [2024-11-20 05:58:26,330 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:58:26,331 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:58:26,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:58:26,401 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;@4fcf258e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:58:26,402 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:58:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 05:58:26,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-20 05:58:26,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:58:26,424 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:58:26,424 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:58:26,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:58:26,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1757483806, now seen corresponding path program 1 times [2024-11-20 05:58:26,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:58:26,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764069244] [2024-11-20 05:58:26,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:58:26,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:58:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:58:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 05:58:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 05:58:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 05:58:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 05:58:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 05:58:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 05:58:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 05:58:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 05:58:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 05:58:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 05:58:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 05:58:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 05:58:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 05:58:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 05:58:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 05:58:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 05:58:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 05:58:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 05:58:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 05:58:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 05:58:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 05:58:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 05:58:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 05:58:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:58:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:58:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 05:58:26,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:58:26,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764069244] [2024-11-20 05:58:26,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764069244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:58:26,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:58:26,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:58:26,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046890277] [2024-11-20 05:58:26,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:58:26,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:58:26,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:58:26,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:58:26,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:58:27,000 INFO L87 Difference]: Start difference. First operand has 67 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 05:58:27,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:58:27,033 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2024-11-20 05:58:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:58:27,036 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 154 [2024-11-20 05:58:27,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:58:27,044 INFO L225 Difference]: With dead ends: 127 [2024-11-20 05:58:27,044 INFO L226 Difference]: Without dead ends: 63 [2024-11-20 05:58:27,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:58:27,052 INFO L432 NwaCegarLoop]: 94 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, 94 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 [2024-11-20 05:58:27,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:58:27,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-20 05:58:27,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-20 05:58:27,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 05:58:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2024-11-20 05:58:27,109 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 154 [2024-11-20 05:58:27,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:58:27,109 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2024-11-20 05:58:27,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 05:58:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2024-11-20 05:58:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-20 05:58:27,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:58:27,114 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:58:27,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:58:27,114 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:58:27,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:58:27,116 INFO L85 PathProgramCache]: Analyzing trace with hash 592051112, now seen corresponding path program 1 times [2024-11-20 05:58:27,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:58:27,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270335753] [2024-11-20 05:58:27,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:58:27,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:58:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 05:58:27,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564605941] [2024-11-20 05:58:27,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:58:27,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 05:58:27,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:58:27,377 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) [2024-11-20 05:58:27,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 05:58:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 05:58:27,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 05:58:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 05:58:27,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 05:58:27,711 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 05:58:27,712 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 05:58:27,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 05:58:27,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 05:58:27,918 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-20 05:58:28,043 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 05:58:28,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:58:28 BoogieIcfgContainer [2024-11-20 05:58:28,050 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 05:58:28,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 05:58:28,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 05:58:28,051 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 05:58:28,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:58:26" (3/4) ... [2024-11-20 05:58:28,055 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 05:58:28,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 05:58:28,058 INFO L158 Benchmark]: Toolchain (without parser) took 2763.61ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 93.2MB in the beginning and 129.5MB in the end (delta: -36.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-20 05:58:28,059 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 05:58:28,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.23ms. Allocated memory is still 163.6MB. Free memory was 93.0MB in the beginning and 78.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 05:58:28,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.33ms. Allocated memory is still 163.6MB. Free memory was 78.3MB in the beginning and 75.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 05:58:28,061 INFO L158 Benchmark]: Boogie Preprocessor took 52.06ms. Allocated memory is still 163.6MB. Free memory was 75.5MB in the beginning and 72.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 05:58:28,062 INFO L158 Benchmark]: RCFGBuilder took 482.57ms. Allocated memory is still 163.6MB. Free memory was 72.2MB in the beginning and 129.0MB in the end (delta: -56.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-20 05:58:28,062 INFO L158 Benchmark]: TraceAbstraction took 1745.23ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 128.9MB in the beginning and 129.5MB in the end (delta: -649.6kB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-20 05:58:28,063 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 207.6MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 05:58:28,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.23ms. Allocated memory is still 163.6MB. Free memory was 93.0MB in the beginning and 78.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.33ms. Allocated memory is still 163.6MB. Free memory was 78.3MB in the beginning and 75.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.06ms. Allocated memory is still 163.6MB. Free memory was 75.5MB in the beginning and 72.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.57ms. Allocated memory is still 163.6MB. Free memory was 72.2MB in the beginning and 129.0MB in the end (delta: -56.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1745.23ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 128.9MB in the beginning and 129.5MB in the end (delta: -649.6kB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 207.6MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 115, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 63.4; [L23] float var_1_2 = 25.2; [L24] float var_1_3 = 3.75; [L25] double var_1_4 = 0.0; [L26] double var_1_5 = 63.4; [L27] double var_1_6 = 3.7; [L28] unsigned char var_1_7 = 0; [L29] double var_1_8 = 63.75; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] signed char var_1_11 = -64; [L33] signed char var_1_12 = -32; [L34] signed char var_1_13 = 2; [L35] signed char var_1_14 = -4; [L36] signed char var_1_15 = -25; [L37] signed char var_1_16 = 5; [L38] signed long int var_1_17 = -2; [L39] unsigned char var_1_18 = 2; [L40] unsigned char var_1_19 = 16; VAL [isInitial=0, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_2=126/5, var_1_3=15/4, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L119] isInitial = 1 [L120] FCALL initially() [L121] COND TRUE 1 [L122] FCALL updateLastVariables() [L123] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=15/4, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=15/4, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L72] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=15/4, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L73] var_1_3 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L74] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L75] var_1_4 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_4 >= 4611686.018427382800e+12F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L76] RET assume_abort_if_not((var_1_4 >= 4611686.018427382800e+12F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L77] var_1_5 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L78] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L79] var_1_6 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_8=255/4, var_1_9=0] [L80] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_8=255/4, var_1_9=0] [L81] var_1_8 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L82] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_8 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L83] RET assume_abort_if_not(var_1_8 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L84] var_1_9 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L85] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L86] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L87] var_1_10 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L89] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L90] var_1_12 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L92] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L93] var_1_13 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L95] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L96] var_1_14 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L97] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L98] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L99] var_1_15 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_15 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L100] RET assume_abort_if_not(var_1_15 >= -31) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L101] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L102] var_1_16 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_16 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L103] RET assume_abort_if_not(var_1_16 >= -31) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_16 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L104] RET assume_abort_if_not(var_1_16 <= 31) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L105] var_1_18 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L106] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_18 <= 128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L107] RET assume_abort_if_not(var_1_18 <= 128) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L108] var_1_19 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L109] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L110] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L123] RET updateVariables() [L124] CALL step() [L44] COND TRUE var_1_2 != var_1_3 [L45] var_1_1 = ((var_1_4 - var_1_5) - var_1_6) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L47] COND FALSE !(var_1_5 > (var_1_1 / var_1_4)) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L54] COND TRUE var_1_10 || var_1_9 [L55] var_1_11 = var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=52, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L59] signed char stepLocal_0 = var_1_15; VAL [isInitial=1, stepLocal_0=-31, var_1_10=0, var_1_11=52, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L60] COND FALSE !(var_1_6 > var_1_5) [L67] var_1_17 = var_1_13 VAL [isInitial=1, stepLocal_0=-31, var_1_10=0, var_1_11=52, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-63, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L124] RET step() [L125] CALL, EXPR property() [L115-L116] return ((((var_1_2 != var_1_3) ? (var_1_1 == ((double) ((var_1_4 - var_1_5) - var_1_6))) : 1) && ((var_1_5 > (var_1_1 / var_1_4)) ? ((var_1_5 > (var_1_4 / var_1_8)) ? (var_1_7 == ((unsigned char) var_1_9)) : (var_1_7 == ((unsigned char) var_1_10))) : 1)) && ((var_1_10 || var_1_9) ? (var_1_11 == ((signed char) var_1_12)) : (var_1_11 == ((signed char) (((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + (var_1_15 + var_1_16)))))) && ((var_1_6 > var_1_5) ? ((var_1_1 != (var_1_4 / var_1_8)) ? (((var_1_11 % (var_1_18 + var_1_19)) > var_1_15) ? (var_1_17 == ((signed long int) -64)) : 1) : 1) : (var_1_17 == ((signed long int) var_1_13))) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=52, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-63, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=52, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-63, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=52, var_1_12=52, var_1_13=-63, var_1_14=-63, var_1_15=-31, var_1_16=-31, var_1_17=-63, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 25, 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, 94 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, 94 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1200/1200 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 05:58:28,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.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 f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:58:30,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:58:30,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 05:58:30,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:58:30,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:58:30,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:58:30,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:58:30,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:58:30,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:58:30,593 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:58:30,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:58:30,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:58:30,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:58:30,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:58:30,597 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:58:30,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:58:30,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:58:30,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:58:30,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:58:30,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:58:30,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:58:30,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:58:30,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:58:30,601 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 05:58:30,601 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 05:58:30,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:58:30,602 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 05:58:30,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:58:30,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:58:30,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:58:30,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:58:30,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:58:30,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:58:30,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:58:30,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:58:30,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:58:30,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:58:30,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:58:30,606 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 05:58:30,606 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 05:58:30,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:58:30,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:58:30,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:58:30,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:58:30,610 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa [2024-11-20 05:58:30,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:58:30,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:58:30,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:58:30,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:58:30,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:58:30,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2024-11-20 05:58:32,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:58:32,758 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:58:32,759 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2024-11-20 05:58:32,767 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4f8ea06/c796ea2adc214f73a830306e1104fa3d/FLAG640851eac [2024-11-20 05:58:33,118 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4f8ea06/c796ea2adc214f73a830306e1104fa3d [2024-11-20 05:58:33,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:58:33,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:58:33,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:58:33,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:58:33,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:58:33,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181ab78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33, skipping insertion in model container [2024-11-20 05:58:33,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:58:33,366 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-94.i[917,930] [2024-11-20 05:58:33,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:58:33,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:58:33,462 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-94.i[917,930] [2024-11-20 05:58:33,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:58:33,520 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:58:33,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33 WrapperNode [2024-11-20 05:58:33,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:58:33,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:58:33,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:58:33,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:58:33,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,584 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2024-11-20 05:58:33,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:58:33,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:58:33,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:58:33,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:58:33,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,607 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,625 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]. [2024-11-20 05:58:33,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:58:33,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:58:33,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:58:33,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:58:33,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (1/1) ... [2024-11-20 05:58:33,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:58:33,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:58:33,710 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) [2024-11-20 05:58:33,713 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 [2024-11-20 05:58:33,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:58:33,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 05:58:33,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:58:33,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:58:33,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:58:33,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:58:33,850 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:58:33,854 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:58:59,226 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-20 05:58:59,226 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:58:59,244 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:58:59,245 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:58:59,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:58:59 BoogieIcfgContainer [2024-11-20 05:58:59,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:58:59,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:58:59,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:58:59,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:58:59,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:58:33" (1/3) ... [2024-11-20 05:58:59,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2137ccd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:58:59, skipping insertion in model container [2024-11-20 05:58:59,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:58:33" (2/3) ... [2024-11-20 05:58:59,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2137ccd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:58:59, skipping insertion in model container [2024-11-20 05:58:59,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:58:59" (3/3) ... [2024-11-20 05:58:59,255 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-94.i [2024-11-20 05:58:59,277 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:58:59,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:58:59,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:58:59,370 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;@2b34930b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:58:59,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:58:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 05:58:59,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-20 05:58:59,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:58:59,393 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:58:59,394 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:58:59,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:58:59,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1757483806, now seen corresponding path program 1 times [2024-11-20 05:58:59,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 05:58:59,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030901362] [2024-11-20 05:58:59,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:58:59,416 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 [2024-11-20 05:58:59,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 05:58:59,419 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) [2024-11-20 05:58:59,420 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 [2024-11-20 05:59:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:59:00,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 05:59:00,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:59:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-20 05:59:01,007 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 05:59:01,011 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 05:59:01,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030901362] [2024-11-20 05:59:01,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030901362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:59:01,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:59:01,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:59:01,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292422323] [2024-11-20 05:59:01,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:59:01,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:59:01,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 05:59:01,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:59:01,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:59:01,053 INFO L87 Difference]: Start difference. First operand has 67 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 05:59:01,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:59:01,093 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2024-11-20 05:59:01,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:59:01,097 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 154 [2024-11-20 05:59:01,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:59:01,106 INFO L225 Difference]: With dead ends: 127 [2024-11-20 05:59:01,106 INFO L226 Difference]: Without dead ends: 63 [2024-11-20 05:59:01,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:59:01,117 INFO L432 NwaCegarLoop]: 94 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, 94 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 [2024-11-20 05:59:01,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:59:01,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-20 05:59:01,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-20 05:59:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 05:59:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2024-11-20 05:59:01,173 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 154 [2024-11-20 05:59:01,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:59:01,174 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2024-11-20 05:59:01,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 05:59:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2024-11-20 05:59:01,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-20 05:59:01,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:59:01,179 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:59:01,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 05:59:01,379 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 [2024-11-20 05:59:01,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:59:01,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:59:01,381 INFO L85 PathProgramCache]: Analyzing trace with hash 592051112, now seen corresponding path program 1 times [2024-11-20 05:59:01,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 05:59:01,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096854996] [2024-11-20 05:59:01,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:59:01,382 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 [2024-11-20 05:59:01,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 05:59:01,387 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) [2024-11-20 05:59:01,389 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 [2024-11-20 05:59:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:59:03,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-20 05:59:03,220 INFO L278 TraceCheckSpWp]: Computing forward predicates...