./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-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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-51.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 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:45:38,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:45:38,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:45:38,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:45:38,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:45:38,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:45:38,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:45:38,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:45:38,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:45:38,488 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:45:38,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:45:38,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:45:38,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:45:38,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:45:38,490 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:45:38,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:45:38,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:45:38,494 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:45:38,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:45:38,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:45:38,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:45:38,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:45:38,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:45:38,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:45:38,496 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:45:38,496 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:45:38,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:45:38,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:45:38,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:45:38,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:45:38,498 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:45:38,498 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:45:38,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:45:38,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:45:38,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:45:38,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:45:38,499 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:45:38,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:45:38,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:45:38,500 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:45:38,500 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:45:38,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:45:38,501 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 [2024-10-24 08:45:38,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:45:38,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:45:38,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:45:38,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:45:38,821 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:45:38,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2024-10-24 08:45:40,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:45:40,495 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:45:40,497 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2024-10-24 08:45:40,508 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2de00f524/25a1cf3f275f4da3a4b6db83b3d44f74/FLAG032808c4a [2024-10-24 08:45:40,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2de00f524/25a1cf3f275f4da3a4b6db83b3d44f74 [2024-10-24 08:45:40,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:45:40,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:45:40,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:45:40,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:45:40,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:45:40,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:45:40" (1/1) ... [2024-10-24 08:45:40,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617d273c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:40, skipping insertion in model container [2024-10-24 08:45:40,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:45:40" (1/1) ... [2024-10-24 08:45:40,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:45:41,092 WARN L248 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-51.i[917,930] [2024-10-24 08:45:41,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:45:41,150 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:45:41,160 WARN L248 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-51.i[917,930] [2024-10-24 08:45:41,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:45:41,200 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:45:41,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41 WrapperNode [2024-10-24 08:45:41,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:45:41,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:45:41,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:45:41,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:45:41,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,262 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-10-24 08:45:41,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:45:41,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:45:41,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:45:41,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:45:41,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,311 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]. [2024-10-24 08:45:41,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:45:41,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:45:41,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:45:41,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:45:41,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (1/1) ... [2024-10-24 08:45:41,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:45:41,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:45:41,379 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) [2024-10-24 08:45:41,386 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 [2024-10-24 08:45:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:45:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:45:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:45:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:45:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:45:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:45:41,520 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:45:41,523 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:45:41,822 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-24 08:45:41,823 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:45:41,871 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:45:41,871 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:45:41,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:45:41 BoogieIcfgContainer [2024-10-24 08:45:41,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:45:41,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:45:41,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:45:41,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:45:41,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:45:40" (1/3) ... [2024-10-24 08:45:41,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657ef87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:45:41, skipping insertion in model container [2024-10-24 08:45:41,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:41" (2/3) ... [2024-10-24 08:45:41,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657ef87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:45:41, skipping insertion in model container [2024-10-24 08:45:41,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:45:41" (3/3) ... [2024-10-24 08:45:41,884 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-51.i [2024-10-24 08:45:41,900 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:45:41,900 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:45:41,957 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:45:41,964 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;@4979cf9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:45:41,964 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:45:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 08:45:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 08:45:41,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:45:41,982 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:45:41,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:45:41,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:45:41,987 INFO L85 PathProgramCache]: Analyzing trace with hash 126418153, now seen corresponding path program 1 times [2024-10-24 08:45:41,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:45:41,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929134490] [2024-10-24 08:45:41,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:45:41,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:45:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:45:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:45:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:45:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:45:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:45:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:45:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:45:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 08:45:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 08:45:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 08:45:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 08:45:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 08:45:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 08:45:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 08:45:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 08:45:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 08:45:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:45:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 08:45:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:45:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 08:45:42,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:45:42,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929134490] [2024-10-24 08:45:42,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929134490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:45:42,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:45:42,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:45:42,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140030345] [2024-10-24 08:45:42,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:45:42,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:45:42,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:45:42,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:45:42,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:45:42,420 INFO L87 Difference]: Start difference. First operand has 50 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 08:45:42,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:45:42,474 INFO L93 Difference]: Finished difference Result 97 states and 171 transitions. [2024-10-24 08:45:42,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:45:42,478 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2024-10-24 08:45:42,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:45:42,486 INFO L225 Difference]: With dead ends: 97 [2024-10-24 08:45:42,487 INFO L226 Difference]: Without dead ends: 48 [2024-10-24 08:45:42,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:45:42,497 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:45:42,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:45:42,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-24 08:45:42,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-24 08:45:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 08:45:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 71 transitions. [2024-10-24 08:45:42,578 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 71 transitions. Word has length 115 [2024-10-24 08:45:42,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:45:42,583 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 71 transitions. [2024-10-24 08:45:42,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 08:45:42,587 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-10-24 08:45:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-24 08:45:42,593 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:45:42,593 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:45:42,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:45:42,594 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:45:42,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:45:42,595 INFO L85 PathProgramCache]: Analyzing trace with hash 508080759, now seen corresponding path program 1 times [2024-10-24 08:45:42,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:45:42,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041932083] [2024-10-24 08:45:42,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:45:42,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:45:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 08:45:42,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457310035] [2024-10-24 08:45:42,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:45:42,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:45:42,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:45:42,908 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) [2024-10-24 08:45:42,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:45:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:45:43,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 08:45:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:45:43,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 08:45:43,786 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 08:45:43,788 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 08:45:43,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 08:45:43,991 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 [2024-10-24 08:45:43,995 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 08:45:44,106 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 08:45:44,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:45:44 BoogieIcfgContainer [2024-10-24 08:45:44,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 08:45:44,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 08:45:44,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 08:45:44,112 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 08:45:44,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:45:41" (3/4) ... [2024-10-24 08:45:44,115 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 08:45:44,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 08:45:44,117 INFO L158 Benchmark]: Toolchain (without parser) took 3251.08ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 88.0MB in the beginning and 133.4MB in the end (delta: -45.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-10-24 08:45:44,118 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 112.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:45:44,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.48ms. Allocated memory is still 159.4MB. Free memory was 87.9MB in the beginning and 73.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 08:45:44,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.49ms. Allocated memory is still 159.4MB. Free memory was 73.6MB in the beginning and 129.7MB in the end (delta: -56.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-10-24 08:45:44,119 INFO L158 Benchmark]: Boogie Preprocessor took 75.94ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 130.8MB in the end (delta: -1.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-10-24 08:45:44,120 INFO L158 Benchmark]: RCFGBuilder took 533.28ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 111.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 08:45:44,121 INFO L158 Benchmark]: TraceAbstraction took 2235.18ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 111.0MB in the beginning and 133.4MB in the end (delta: -22.5MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-10-24 08:45:44,122 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 209.7MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:45:44,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 112.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.48ms. Allocated memory is still 159.4MB. Free memory was 87.9MB in the beginning and 73.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.49ms. Allocated memory is still 159.4MB. Free memory was 73.6MB in the beginning and 129.7MB in the end (delta: -56.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.94ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 130.8MB in the end (delta: -1.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 533.28ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 111.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2235.18ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 111.0MB in the beginning and 133.4MB in the end (delta: -22.5MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 209.7MB. Free memory is still 133.4MB. 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 someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = -16; [L25] double var_1_6 = 100.01; [L26] double var_1_7 = 999999999.4; [L27] double var_1_8 = 10.6; [L28] double var_1_9 = 127.5; [L29] unsigned long int var_1_10 = 1; [L30] unsigned long int var_1_11 = 2467894503; [L31] unsigned long int var_1_12 = 2565572511; [L32] unsigned long int var_1_13 = 500; [L33] unsigned long int var_1_15 = 2277019112; [L34] unsigned long int var_1_16 = 2745650083; [L35] unsigned long int var_1_17 = 8; [L36] unsigned long int last_1_var_1_17 = 8; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] CALL updateLastVariables() [L99] last_1_var_1_17 = var_1_17 [L109] RET updateLastVariables() [L110] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L70] var_1_5 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L71] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L73] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L73] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L74] var_1_6 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L75] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L76] var_1_7 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_8=53/5, var_1_9=255/2] [L77] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_8=53/5, var_1_9=255/2] [L78] var_1_8 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_9=255/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_9=255/2] [L79] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_9=255/2] [L80] var_1_9 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L81] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L82] var_1_11 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L83] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L84] CALL assume_abort_if_not(var_1_11 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L84] RET assume_abort_if_not(var_1_11 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L85] var_1_12 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L86] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L87] CALL assume_abort_if_not(var_1_12 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L87] RET assume_abort_if_not(var_1_12 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L88] var_1_13 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L90] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L90] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L91] var_1_15 = __VERIFIER_nondet_ulong() [L92] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L92] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L93] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L93] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L94] var_1_16 = __VERIFIER_nondet_ulong() [L95] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L95] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L96] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L96] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L110] RET updateVariables() [L111] CALL step() [L40] unsigned long int stepLocal_1 = - last_1_var_1_17; VAL [isInitial=1, last_1_var_1_17=8, stepLocal_1=-8, var_1_10=1, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L41] COND TRUE (((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_13) != stepLocal_1 [L42] var_1_10 = (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_13) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=2147483647, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L46] COND TRUE var_1_10 <= var_1_10 VAL [isInitial=1, last_1_var_1_17=8, var_1_10=2147483647, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L47] COND FALSE !(var_1_2 && (var_1_10 == ((((var_1_16) > (var_1_12)) ? (var_1_16) : (var_1_12))))) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=2147483647, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L55] unsigned long int stepLocal_0 = var_1_10; VAL [isInitial=1, last_1_var_1_17=8, stepLocal_0=2147483647, var_1_10=2147483647, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=54/5, var_1_2=0, var_1_5=-32768] [L56] COND FALSE !(\read(var_1_2)) [L63] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_17=8, stepLocal_0=2147483647, var_1_10=2147483647, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=2, var_1_2=0, var_1_5=-32768, var_1_8=2] [L111] RET step() [L112] CALL, EXPR property() [L102-L103] return ((var_1_2 ? ((var_1_10 >= (var_1_10 / var_1_5)) ? (var_1_1 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) : (var_1_1 == ((double) (var_1_7 + ((((var_1_8) > ((var_1_9 + 63.25))) ? (var_1_8) : ((var_1_9 + 63.25)))))))) : (var_1_1 == ((double) var_1_8))) && (((((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_13) != (- last_1_var_1_17)) ? (var_1_10 == ((unsigned long int) (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_13))) : (var_1_10 == ((unsigned long int) var_1_15)))) && ((var_1_10 <= var_1_10) ? ((var_1_2 && (var_1_10 == ((((var_1_16) > (var_1_12)) ? (var_1_16) : (var_1_12))))) ? ((var_1_10 < var_1_11) ? (var_1_17 == ((unsigned long int) var_1_15)) : 1) : 1) : (var_1_17 == ((unsigned long int) var_1_16))) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=2147483647, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=2, var_1_2=0, var_1_5=-32768, var_1_8=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_17=8, var_1_10=2147483647, var_1_11=2147483647, var_1_12=-2147483649, var_1_13=4294967296, var_1_15=2147483647, var_1_16=6442450943, var_1_17=8, var_1_1=2, var_1_2=0, var_1_5=-32768, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 19, 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, 68 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 68 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 347 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 [2024-10-24 08:45:44,162 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-51.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 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:45:46,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:45:46,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 08:45:46,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:45:46,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:45:46,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:45:46,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:45:46,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:45:46,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:45:46,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:45:46,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:45:46,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:45:46,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:45:46,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:45:46,575 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:45:46,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:45:46,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:45:46,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:45:46,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:45:46,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:45:46,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:45:46,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:45:46,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:45:46,582 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 08:45:46,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 08:45:46,583 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:45:46,583 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 08:45:46,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:45:46,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:45:46,584 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:45:46,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:45:46,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:45:46,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:45:46,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:45:46,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:45:46,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:45:46,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:45:46,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:45:46,588 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 08:45:46,589 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 08:45:46,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:45:46,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:45:46,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:45:46,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:45:46,590 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 08:45:46,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 [2024-10-24 08:45:46,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:45:46,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:45:46,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:45:46,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:45:46,934 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:45:46,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2024-10-24 08:45:48,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:45:48,744 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:45:48,744 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2024-10-24 08:45:48,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b83840b/bcfebb9551ec4919ba7fc8810c915e5d/FLAG7330545ae [2024-10-24 08:45:48,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b83840b/bcfebb9551ec4919ba7fc8810c915e5d [2024-10-24 08:45:48,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:45:48,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:45:48,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:45:48,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:45:48,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:45:48,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:45:48" (1/1) ... [2024-10-24 08:45:48,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42842fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:48, skipping insertion in model container [2024-10-24 08:45:48,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:45:48" (1/1) ... [2024-10-24 08:45:48,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:45:49,004 WARN L248 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-51.i[917,930] [2024-10-24 08:45:49,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:45:49,076 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:45:49,110 WARN L248 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-51.i[917,930] [2024-10-24 08:45:49,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:45:49,172 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:45:49,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49 WrapperNode [2024-10-24 08:45:49,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:45:49,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:45:49,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:45:49,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:45:49,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,226 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-10-24 08:45:49,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:45:49,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:45:49,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:45:49,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:45:49,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,260 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]. [2024-10-24 08:45:49,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:45:49,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:45:49,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:45:49,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:45:49,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (1/1) ... [2024-10-24 08:45:49,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:45:49,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:45:49,333 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) [2024-10-24 08:45:49,339 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 [2024-10-24 08:45:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:45:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 08:45:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:45:49,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:45:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:45:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:45:49,447 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:45:49,449 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:45:50,475 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-24 08:45:50,476 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:45:50,530 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:45:50,530 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:45:50,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:45:50 BoogieIcfgContainer [2024-10-24 08:45:50,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:45:50,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:45:50,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:45:50,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:45:50,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:45:48" (1/3) ... [2024-10-24 08:45:50,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf510ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:45:50, skipping insertion in model container [2024-10-24 08:45:50,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:45:49" (2/3) ... [2024-10-24 08:45:50,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf510ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:45:50, skipping insertion in model container [2024-10-24 08:45:50,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:45:50" (3/3) ... [2024-10-24 08:45:50,552 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-51.i [2024-10-24 08:45:50,568 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:45:50,568 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:45:50,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:45:50,631 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;@2f86432a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:45:50,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:45:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 08:45:50,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 08:45:50,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:45:50,644 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:45:50,644 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:45:50,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:45:50,649 INFO L85 PathProgramCache]: Analyzing trace with hash 126418153, now seen corresponding path program 1 times [2024-10-24 08:45:50,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:45:50,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128811585] [2024-10-24 08:45:50,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:45:50,660 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 [2024-10-24 08:45:50,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:45:50,663 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) [2024-10-24 08:45:50,664 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 [2024-10-24 08:45:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:50,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 08:45:50,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:45:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 08:45:51,017 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:45:51,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:45:51,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128811585] [2024-10-24 08:45:51,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128811585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:45:51,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:45:51,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:45:51,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102839027] [2024-10-24 08:45:51,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:45:51,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:45:51,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:45:51,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:45:51,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:45:51,053 INFO L87 Difference]: Start difference. First operand has 50 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 08:45:51,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:45:51,487 INFO L93 Difference]: Finished difference Result 97 states and 171 transitions. [2024-10-24 08:45:51,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:45:51,504 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 115 [2024-10-24 08:45:51,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:45:51,511 INFO L225 Difference]: With dead ends: 97 [2024-10-24 08:45:51,511 INFO L226 Difference]: Without dead ends: 48 [2024-10-24 08:45:51,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:45:51,518 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:45:51,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:45:51,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-24 08:45:51,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-24 08:45:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 08:45:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 71 transitions. [2024-10-24 08:45:51,557 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 71 transitions. Word has length 115 [2024-10-24 08:45:51,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:45:51,558 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 71 transitions. [2024-10-24 08:45:51,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 08:45:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-10-24 08:45:51,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-24 08:45:51,563 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:45:51,563 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:45:51,573 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 [2024-10-24 08:45:51,763 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 [2024-10-24 08:45:51,764 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:45:51,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:45:51,765 INFO L85 PathProgramCache]: Analyzing trace with hash 508080759, now seen corresponding path program 1 times [2024-10-24 08:45:51,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:45:51,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420722047] [2024-10-24 08:45:51,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:45:51,766 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 [2024-10-24 08:45:51,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:45:51,768 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) [2024-10-24 08:45:51,770 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 [2024-10-24 08:45:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:45:52,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 08:45:52,066 INFO L278 TraceCheckSpWp]: Computing forward predicates...