./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-20.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-20.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 88e82e90997623f17755cf4b0e74e4caa25dddf076fd59ee2ddcb63a8c826a1e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:42:08,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:42:08,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:42:08,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:42:08,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:42:08,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:42:08,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:42:08,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:42:08,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:42:08,430 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:42:08,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:42:08,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:42:08,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:42:08,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:42:08,432 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:42:08,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:42:08,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:42:08,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:42:08,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:42:08,434 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:42:08,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:42:08,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:42:08,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:42:08,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:42:08,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:42:08,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:42:08,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:42:08,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:42:08,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:42:08,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:42:08,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:42:08,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:42:08,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:42:08,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:42:08,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:42:08,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:42:08,441 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:42:08,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:42:08,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:42:08,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:42:08,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:42:08,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:42:08,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88e82e90997623f17755cf4b0e74e4caa25dddf076fd59ee2ddcb63a8c826a1e [2024-10-24 08:42:08,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:42:08,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:42:08,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:42:08,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:42:08,720 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:42:08,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i [2024-10-24 08:42:10,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:42:10,307 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:42:10,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i [2024-10-24 08:42:10,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414555607/b21892f6f2fb4bf897cbff3e1f0a7f55/FLAGf4e1907af [2024-10-24 08:42:10,686 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414555607/b21892f6f2fb4bf897cbff3e1f0a7f55 [2024-10-24 08:42:10,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:42:10,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:42:10,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:42:10,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:42:10,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:42:10,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:42:10" (1/1) ... [2024-10-24 08:42:10,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d07e4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:10, skipping insertion in model container [2024-10-24 08:42:10,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:42:10" (1/1) ... [2024-10-24 08:42:10,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:42:10,918 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-20.i[917,930] [2024-10-24 08:42:10,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:42:10,997 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:42:11,011 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-20.i[917,930] [2024-10-24 08:42:11,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:42:11,078 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:42:11,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11 WrapperNode [2024-10-24 08:42:11,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:42:11,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:42:11,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:42:11,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:42:11,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,128 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-10-24 08:42:11,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:42:11,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:42:11,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:42:11,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:42:11,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,166 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 08:42:11,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:42:11,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:42:11,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:42:11,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:42:11,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (1/1) ... [2024-10-24 08:42:11,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:42:11,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:42:11,230 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 08:42:11,233 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 08:42:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:42:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:42:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:42:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:42:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:42:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:42:11,378 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:42:11,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:42:11,688 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 08:42:11,689 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:42:11,746 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:42:11,747 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:42:11,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:42:11 BoogieIcfgContainer [2024-10-24 08:42:11,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:42:11,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:42:11,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:42:11,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:42:11,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:42:10" (1/3) ... [2024-10-24 08:42:11,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f33c81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:42:11, skipping insertion in model container [2024-10-24 08:42:11,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:11" (2/3) ... [2024-10-24 08:42:11,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f33c81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:42:11, skipping insertion in model container [2024-10-24 08:42:11,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:42:11" (3/3) ... [2024-10-24 08:42:11,758 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-20.i [2024-10-24 08:42:11,775 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:42:11,775 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:42:11,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:42:11,853 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;@a612ba5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:42:11,853 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:42:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 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 08:42:11,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 08:42:11,867 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:42:11,868 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, 1] [2024-10-24 08:42:11,869 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:42:11,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:42:11,873 INFO L85 PathProgramCache]: Analyzing trace with hash -229145093, now seen corresponding path program 1 times [2024-10-24 08:42:11,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:42:11,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923030971] [2024-10-24 08:42:11,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:42:11,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:42:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:42:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:42:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:42:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 08:42:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 08:42:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 08:42:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 08:42:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 08:42:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 08:42:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 08:42:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 08:42:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 08:42:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 08:42:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 08:42:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 08:42:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 08:42:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 08:42:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 08:42:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 08:42:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:12,230 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 08:42:12,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:42:12,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923030971] [2024-10-24 08:42:12,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923030971] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:42:12,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:42:12,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:42:12,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644449619] [2024-10-24 08:42:12,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:42:12,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:42:12,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:42:12,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:42:12,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:42:12,316 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 08:42:12,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:42:12,370 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2024-10-24 08:42:12,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:42:12,374 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 117 [2024-10-24 08:42:12,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:42:12,384 INFO L225 Difference]: With dead ends: 99 [2024-10-24 08:42:12,384 INFO L226 Difference]: Without dead ends: 49 [2024-10-24 08:42:12,388 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 08:42:12,393 INFO L432 NwaCegarLoop]: 69 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, 69 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 08:42:12,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:42:12,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-24 08:42:12,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-24 08:42:12,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 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 08:42:12,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-10-24 08:42:12,439 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2024-10-24 08:42:12,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:42:12,440 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-10-24 08:42:12,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 08:42:12,440 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-10-24 08:42:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 08:42:12,443 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:42:12,443 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, 1] [2024-10-24 08:42:12,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:42:12,444 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:42:12,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:42:12,445 INFO L85 PathProgramCache]: Analyzing trace with hash -430746639, now seen corresponding path program 1 times [2024-10-24 08:42:12,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:42:12,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889416442] [2024-10-24 08:42:12,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:42:12,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:42:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:42:12,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 08:42:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:42:12,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 08:42:12,759 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 08:42:12,761 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 08:42:12,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:42:12,766 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 08:42:12,862 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 08:42:12,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:42:12 BoogieIcfgContainer [2024-10-24 08:42:12,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 08:42:12,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 08:42:12,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 08:42:12,873 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 08:42:12,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:42:11" (3/4) ... [2024-10-24 08:42:12,876 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 08:42:12,877 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 08:42:12,878 INFO L158 Benchmark]: Toolchain (without parser) took 2186.26ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 59.7MB in the beginning and 102.5MB in the end (delta: -42.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:42:12,878 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:42:12,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.76ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 59.5MB in the beginning and 136.9MB in the end (delta: -77.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-10-24 08:42:12,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.74ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 134.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 08:42:12,879 INFO L158 Benchmark]: Boogie Preprocessor took 57.40ms. Allocated memory is still 172.0MB. Free memory was 134.1MB in the beginning and 131.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 08:42:12,880 INFO L158 Benchmark]: RCFGBuilder took 560.58ms. Allocated memory is still 172.0MB. Free memory was 131.4MB in the beginning and 111.8MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-24 08:42:12,880 INFO L158 Benchmark]: TraceAbstraction took 1121.55ms. Allocated memory is still 172.0MB. Free memory was 111.0MB in the beginning and 102.5MB in the end (delta: 8.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-10-24 08:42:12,881 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 172.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:42:12,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.76ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 59.5MB in the beginning and 136.9MB in the end (delta: -77.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.74ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 134.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.40ms. Allocated memory is still 172.0MB. Free memory was 134.1MB in the beginning and 131.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.58ms. Allocated memory is still 172.0MB. Free memory was 131.4MB in the beginning and 111.8MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1121.55ms. Allocated memory is still 172.0MB. Free memory was 111.0MB in the beginning and 102.5MB in the end (delta: 8.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 172.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.6; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 0.0; [L25] float var_1_4 = 2.95; [L26] float var_1_5 = 8.5; [L27] float var_1_6 = 999999999.4; [L28] double var_1_7 = 10.2; [L29] double var_1_8 = 4.6; [L30] unsigned long int var_1_9 = 256; [L31] unsigned char var_1_10 = 0; [L32] unsigned long int var_1_11 = 3724367395; [L33] unsigned long int var_1_12 = 25; [L34] unsigned long int var_1_13 = 1; [L35] unsigned char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 100; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L70] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L70] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L71] var_1_3 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L72] RET assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L73] var_1_4 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L74] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L75] var_1_5 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L76] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L77] var_1_6 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L78] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L79] var_1_8 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L80] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L81] var_1_10 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L82] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L83] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L83] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L84] var_1_11 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_11 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L85] RET assume_abort_if_not(var_1_11 >= 3221225470) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L86] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L86] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L87] var_1_12 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L88] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L89] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L89] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L90] var_1_13 = __VERIFIER_nondet_ulong() [L91] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L91] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L92] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L92] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L93] var_1_15 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L94] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L95] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L95] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=100, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L96] var_1_16 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L97] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L98] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L98] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_1=3/5, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L111] RET updateVariables() [L112] CALL step() [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((var_1_3 - var_1_4) - var_1_5) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_2=-255, var_1_7=51/5, var_1_9=256] [L46] var_1_7 = ((15.5 + var_1_4) - (var_1_3 - var_1_8)) [L47] unsigned long int stepLocal_2 = var_1_13; [L48] signed long int stepLocal_1 = 5; VAL [isInitial=1, stepLocal_1=5, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_2=-255, var_1_9=256] [L49] COND FALSE !(stepLocal_1 >= var_1_11) VAL [isInitial=1, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_2=-255, var_1_9=256] [L60] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=-255, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_2=-255, var_1_9=256] [L61] COND TRUE var_1_10 || stepLocal_0 [L62] var_1_9 = ((var_1_11 - var_1_14) - var_1_14) VAL [isInitial=1, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_2=-255, var_1_9=3221225468] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((var_1_2 ? (var_1_1 == ((float) ((var_1_3 - var_1_4) - var_1_5))) : (var_1_1 == ((float) (var_1_4 + var_1_6)))) && (var_1_7 == ((double) ((15.5 + var_1_4) - (var_1_3 - var_1_8))))) && ((var_1_10 || var_1_2) ? (var_1_9 == ((unsigned long int) ((var_1_11 - var_1_14) - var_1_14))) : (var_1_9 == ((unsigned long int) (var_1_14 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))))) && ((5 >= var_1_11) ? ((var_1_1 >= var_1_8) ? (var_1_14 == ((unsigned char) (128 - 16))) : ((var_1_13 >= ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) ? (var_1_14 == ((unsigned char) (var_1_15 - var_1_16))) : (var_1_14 == ((unsigned char) var_1_16)))) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_2=-255, var_1_9=3221225468] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=32895, var_1_16=-129, var_1_2=-255, var_1_9=3221225468] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 69 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, 69 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=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 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 08:42:12,915 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-20.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 88e82e90997623f17755cf4b0e74e4caa25dddf076fd59ee2ddcb63a8c826a1e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:42:15,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:42:15,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 08:42:15,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:42:15,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:42:15,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:42:15,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:42:15,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:42:15,198 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:42:15,198 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:42:15,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:42:15,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:42:15,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:42:15,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:42:15,200 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:42:15,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:42:15,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:42:15,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:42:15,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:42:15,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:42:15,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:42:15,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:42:15,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:42:15,206 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 08:42:15,207 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 08:42:15,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:42:15,207 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 08:42:15,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:42:15,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:42:15,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:42:15,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:42:15,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:42:15,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:42:15,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:42:15,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:42:15,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:42:15,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:42:15,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:42:15,211 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 08:42:15,211 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 08:42:15,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:42:15,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:42:15,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:42:15,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:42:15,212 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 08:42:15,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88e82e90997623f17755cf4b0e74e4caa25dddf076fd59ee2ddcb63a8c826a1e [2024-10-24 08:42:15,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:42:15,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:42:15,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:42:15,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:42:15,579 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:42:15,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i [2024-10-24 08:42:17,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:42:17,307 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:42:17,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i [2024-10-24 08:42:17,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afeef79bc/948ca1486ec04d57bbf4250600751933/FLAGfead9a8f9 [2024-10-24 08:42:17,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afeef79bc/948ca1486ec04d57bbf4250600751933 [2024-10-24 08:42:17,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:42:17,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:42:17,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:42:17,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:42:17,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:42:17,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:17,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ceae09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17, skipping insertion in model container [2024-10-24 08:42:17,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:17,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:42:17,837 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-20.i[917,930] [2024-10-24 08:42:17,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:42:17,888 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:42:17,901 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-20.i[917,930] [2024-10-24 08:42:17,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:42:17,944 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:42:17,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17 WrapperNode [2024-10-24 08:42:17,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:42:17,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:42:17,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:42:17,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:42:17,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:17,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:17,996 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-10-24 08:42:17,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:42:17,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:42:17,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:42:17,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:42:18,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,010 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,030 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 08:42:18,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:42:18,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:42:18,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:42:18,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:42:18,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (1/1) ... [2024-10-24 08:42:18,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:42:18,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:42:18,112 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 08:42:18,116 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 08:42:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:42:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 08:42:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:42:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:42:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:42:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:42:18,227 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:42:18,230 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:42:26,790 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 08:42:26,792 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:42:26,853 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:42:26,853 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:42:26,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:42:26 BoogieIcfgContainer [2024-10-24 08:42:26,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:42:26,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:42:26,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:42:26,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:42:26,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:42:17" (1/3) ... [2024-10-24 08:42:26,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6ef40e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:42:26, skipping insertion in model container [2024-10-24 08:42:26,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:17" (2/3) ... [2024-10-24 08:42:26,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6ef40e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:42:26, skipping insertion in model container [2024-10-24 08:42:26,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:42:26" (3/3) ... [2024-10-24 08:42:26,866 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-20.i [2024-10-24 08:42:26,883 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:42:26,883 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:42:26,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:42:26,952 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;@2ad688b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:42:26,952 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:42:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 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 08:42:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 08:42:26,965 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:42:26,966 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, 1] [2024-10-24 08:42:26,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:42:26,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:42:26,972 INFO L85 PathProgramCache]: Analyzing trace with hash -229145093, now seen corresponding path program 1 times [2024-10-24 08:42:26,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:42:26,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159934935] [2024-10-24 08:42:26,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:42:26,985 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 08:42:26,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:42:26,987 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 08:42:26,989 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 08:42:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:27,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 08:42:27,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:42:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-10-24 08:42:27,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:42:27,471 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:42:27,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159934935] [2024-10-24 08:42:27,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159934935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:42:27,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:42:27,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:42:27,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036200596] [2024-10-24 08:42:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:42:27,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:42:27,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:42:27,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:42:27,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:42:27,523 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 08:42:31,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:42:31,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:42:31,691 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2024-10-24 08:42:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:42:31,755 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2024-10-24 08:42:31,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:42:31,763 INFO L225 Difference]: With dead ends: 99 [2024-10-24 08:42:31,763 INFO L226 Difference]: Without dead ends: 49 [2024-10-24 08:42:31,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 08:42:31,769 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:42:31,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-10-24 08:42:31,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-24 08:42:31,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-24 08:42:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 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 08:42:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-10-24 08:42:31,820 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2024-10-24 08:42:31,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:42:31,820 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-10-24 08:42:31,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 08:42:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-10-24 08:42:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 08:42:31,825 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:42:31,825 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, 1] [2024-10-24 08:42:31,841 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 08:42:32,026 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 08:42:32,027 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:42:32,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:42:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash -430746639, now seen corresponding path program 1 times [2024-10-24 08:42:32,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:42:32,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725205502] [2024-10-24 08:42:32,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:42:32,029 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 08:42:32,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:42:32,031 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 08:42:32,033 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 08:42:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:42:32,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-24 08:42:32,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:43:06,077 WARN L286 SmtUtils]: Spent 7.49s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:43:14,206 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:43:22,342 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:43:28,749 WARN L286 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:43:36,881 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:43:44,903 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)