./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_loopvsstraightlinecode_50-while_file-82.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_loopvsstraightlinecode_50-while_file-82.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 a4e70996cbac37e08f600b6cb8a14d2ecbe3e7aba1c201723d7492aad4813591 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 10:04:03,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 10:04:03,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 10:04:03,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 10:04:03,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 10:04:04,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 10:04:04,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 10:04:04,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 10:04:04,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 10:04:04,027 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 10:04:04,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 10:04:04,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 10:04:04,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 10:04:04,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 10:04:04,029 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 10:04:04,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 10:04:04,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 10:04:04,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 10:04:04,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 10:04:04,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 10:04:04,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 10:04:04,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 10:04:04,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 10:04:04,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 10:04:04,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 10:04:04,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 10:04:04,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 10:04:04,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 10:04:04,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 10:04:04,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 10:04:04,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 10:04:04,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 10:04:04,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:04:04,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 10:04:04,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 10:04:04,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 10:04:04,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 10:04:04,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 10:04:04,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 10:04:04,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 10:04:04,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 10:04:04,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 10:04:04,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e70996cbac37e08f600b6cb8a14d2ecbe3e7aba1c201723d7492aad4813591 [2024-10-24 10:04:04,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 10:04:04,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 10:04:04,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 10:04:04,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 10:04:04,349 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 10:04:04,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i [2024-10-24 10:04:05,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 10:04:06,023 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 10:04:06,024 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i [2024-10-24 10:04:06,037 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1aaad705/4c74430dcde343dc967ddf639e76cabd/FLAGa9b89bdb7 [2024-10-24 10:04:06,415 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1aaad705/4c74430dcde343dc967ddf639e76cabd [2024-10-24 10:04:06,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 10:04:06,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 10:04:06,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 10:04:06,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 10:04:06,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 10:04:06,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4fde1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06, skipping insertion in model container [2024-10-24 10:04:06,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 10:04:06,645 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_loopvsstraightlinecode_50-while_file-82.i[915,928] [2024-10-24 10:04:06,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:04:06,712 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 10:04:06,722 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_loopvsstraightlinecode_50-while_file-82.i[915,928] [2024-10-24 10:04:06,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:04:06,765 INFO L204 MainTranslator]: Completed translation [2024-10-24 10:04:06,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06 WrapperNode [2024-10-24 10:04:06,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 10:04:06,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 10:04:06,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 10:04:06,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 10:04:06,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,815 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-10-24 10:04:06,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 10:04:06,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 10:04:06,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 10:04:06,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 10:04:06,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,862 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 10:04:06,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 10:04:06,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 10:04:06,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 10:04:06,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 10:04:06,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (1/1) ... [2024-10-24 10:04:06,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:04:06,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:04:06,935 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 10:04:06,941 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 10:04:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 10:04:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 10:04:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 10:04:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 10:04:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 10:04:06,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 10:04:07,086 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 10:04:07,089 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 10:04:07,452 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-24 10:04:07,453 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 10:04:07,504 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 10:04:07,505 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 10:04:07,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:07 BoogieIcfgContainer [2024-10-24 10:04:07,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 10:04:07,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 10:04:07,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 10:04:07,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 10:04:07,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:04:06" (1/3) ... [2024-10-24 10:04:07,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793287de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:07, skipping insertion in model container [2024-10-24 10:04:07,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:06" (2/3) ... [2024-10-24 10:04:07,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793287de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:07, skipping insertion in model container [2024-10-24 10:04:07,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:07" (3/3) ... [2024-10-24 10:04:07,515 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-82.i [2024-10-24 10:04:07,533 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 10:04:07,533 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 10:04:07,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 10:04:07,603 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;@3a5e6200, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 10:04:07,604 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 10:04:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 10:04:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 10:04:07,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:04:07,624 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:04:07,625 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:04:07,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:04:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1180507447, now seen corresponding path program 1 times [2024-10-24 10:04:07,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:04:07,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595143292] [2024-10-24 10:04:07,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:04:07,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:04:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:04:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 10:04:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 10:04:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 10:04:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 10:04:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:04:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:04:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:04:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:04:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:04:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:04:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:04:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:04:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:04:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:04:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:08,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:04:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:08,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:04:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:08,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:04:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:08,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:04:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:08,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:04:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-24 10:04:08,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:04:08,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595143292] [2024-10-24 10:04:08,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595143292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:04:08,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:04:08,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 10:04:08,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505148707] [2024-10-24 10:04:08,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:04:08,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 10:04:08,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:04:08,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 10:04:08,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:04:08,111 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 10:04:08,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:04:08,170 INFO L93 Difference]: Finished difference Result 109 states and 190 transitions. [2024-10-24 10:04:08,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 10:04:08,174 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-10-24 10:04:08,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:04:08,185 INFO L225 Difference]: With dead ends: 109 [2024-10-24 10:04:08,186 INFO L226 Difference]: Without dead ends: 54 [2024-10-24 10:04:08,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 10:04:08,196 INFO L432 NwaCegarLoop]: 78 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, 78 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 10:04:08,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:04:08,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-24 10:04:08,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-24 10:04:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 10:04:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 81 transitions. [2024-10-24 10:04:08,251 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 81 transitions. Word has length 124 [2024-10-24 10:04:08,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:04:08,252 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 81 transitions. [2024-10-24 10:04:08,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 10:04:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2024-10-24 10:04:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 10:04:08,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:04:08,259 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:04:08,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 10:04:08,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:04:08,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:04:08,261 INFO L85 PathProgramCache]: Analyzing trace with hash -629900497, now seen corresponding path program 1 times [2024-10-24 10:04:08,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:04:08,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905306023] [2024-10-24 10:04:08,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:04:08,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:04:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 10:04:08,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 10:04:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 10:04:08,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 10:04:08,679 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 10:04:08,681 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 10:04:08,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 10:04:08,687 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 10:04:08,807 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 10:04:08,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:04:08 BoogieIcfgContainer [2024-10-24 10:04:08,814 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 10:04:08,815 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 10:04:08,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 10:04:08,816 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 10:04:08,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:07" (3/4) ... [2024-10-24 10:04:08,819 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 10:04:08,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 10:04:08,822 INFO L158 Benchmark]: Toolchain (without parser) took 2401.70ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 89.2MB in the beginning and 92.2MB in the end (delta: -2.9MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-10-24 10:04:08,822 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 10:04:08,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.12ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 74.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 10:04:08,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.27ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 71.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 10:04:08,823 INFO L158 Benchmark]: Boogie Preprocessor took 65.94ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 68.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 10:04:08,824 INFO L158 Benchmark]: RCFGBuilder took 622.18ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 68.7MB in the beginning and 171.9MB in the end (delta: -103.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-10-24 10:04:08,825 INFO L158 Benchmark]: TraceAbstraction took 1306.23ms. Allocated memory is still 209.7MB. Free memory was 170.8MB in the beginning and 93.2MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-10-24 10:04:08,825 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 209.7MB. Free memory was 93.2MB in the beginning and 92.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 10:04:08,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.12ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 74.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.27ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 71.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.94ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 68.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.18ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 68.7MB in the beginning and 171.9MB in the end (delta: -103.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1306.23ms. Allocated memory is still 209.7MB. Free memory was 170.8MB in the beginning and 93.2MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 209.7MB. Free memory was 93.2MB in the beginning and 92.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] double var_1_4 = 5.5; [L24] float var_1_5 = 49.2; [L25] double var_1_7 = 49.5; [L26] double var_1_8 = 999999999999.4; [L27] double var_1_9 = 255.3; [L28] unsigned char var_1_10 = 1; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_13 = 1; [L31] signed long int var_1_14 = -16; [L32] signed long int var_1_15 = 25; [L33] signed long int var_1_16 = -8; [L34] signed long int var_1_17 = 1000000000; [L35] signed long int var_1_18 = 256; [L36] signed long int var_1_19 = 25; [L37] signed long int var_1_20 = 4; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; [L40] signed long int var_1_23 = 50; [L41] double last_1_var_1_7 = 49.5; [L42] signed long int last_1_var_1_14 = -16; [L43] signed long int last_1_var_1_23 = 50; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L122] last_1_var_1_7 = var_1_7 [L123] last_1_var_1_14 = var_1_14 [L124] last_1_var_1_23 = var_1_23 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L89] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L90] var_1_5 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L91] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L92] var_1_8 = __VERIFIER_nondet_double() [L93] 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, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L93] 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, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L94] var_1_9 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L95] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L96] var_1_11 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L97] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L98] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L98] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L99] var_1_13 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L100] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L101] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L101] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L102] var_1_15 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_15 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L103] RET assume_abort_if_not(var_1_15 >= -1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L104] CALL assume_abort_if_not(var_1_15 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L104] RET assume_abort_if_not(var_1_15 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L105] var_1_17 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L106] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L107] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L107] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L108] var_1_18 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L109] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L110] CALL assume_abort_if_not(var_1_18 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L110] RET assume_abort_if_not(var_1_18 <= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L111] var_1_19 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L112] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L113] CALL assume_abort_if_not(var_1_19 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L113] RET assume_abort_if_not(var_1_19 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L114] var_1_20 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L115] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L116] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L116] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L117] var_1_22 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L118] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L119] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L119] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L135] RET updateVariables() [L136] CALL step() [L47] var_1_23 = last_1_var_1_14 [L48] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=-16] [L49] COND TRUE var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9)))) [L50] var_1_16 = ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-16, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=-16] [L56] signed long int stepLocal_0 = var_1_23; VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, stepLocal_0=-16, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-16, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_1=54/5, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=-16] [L57] COND TRUE stepLocal_0 == var_1_16 [L58] var_1_1 = (var_1_4 - 4.531) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-16, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=-16] [L66] signed long int stepLocal_1 = (50 / -10) + var_1_23; VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, stepLocal_1=-21, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-16, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_20=1073741823, var_1_21=1, var_1_22=1, var_1_23=-16] [L67] COND FALSE !(stepLocal_1 >= var_1_16) [L74] var_1_21 = var_1_11 VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-16, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_20=1073741823, var_1_21=-255, var_1_22=1, var_1_23=-16] [L76] var_1_10 = (var_1_11 && (var_1_21 || var_1_13)) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-16, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_20=1073741823, var_1_21=-255, var_1_22=1, var_1_23=-16] [L77] COND FALSE !(var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) [L84] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-16, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_20=1073741823, var_1_21=-255, var_1_22=1, var_1_23=-16] [L136] RET step() [L137] CALL, EXPR property() [L127-L128] return (((((((var_1_23 == var_1_16) ? (var_1_1 == ((double) (var_1_4 - 4.531))) : (((var_1_4 - var_1_5) > var_1_7) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) var_1_4)))) && (var_1_7 == ((double) (var_1_4 - (var_1_8 + var_1_9))))) && (var_1_10 == ((unsigned char) (var_1_11 && (var_1_21 || var_1_13))))) && ((var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) ? (var_1_10 ? (var_1_14 == ((signed long int) (var_1_15 + (8 + var_1_16)))) : (var_1_14 == ((signed long int) -256))) : (var_1_14 == ((signed long int) var_1_16)))) && ((var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9))))) ? (var_1_16 == ((signed long int) ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : ((var_1_4 <= last_1_var_1_7) ? (var_1_16 == ((signed long int) var_1_17)) : 1))) && ((((50 / -10) + var_1_23) >= var_1_16) ? (var_1_13 ? (var_1_21 == ((unsigned char) (var_1_11 && var_1_22))) : (var_1_21 == ((unsigned char) var_1_11))) : (var_1_21 == ((unsigned char) var_1_11)))) && (var_1_23 == ((signed long int) last_1_var_1_14)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-16, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_20=1073741823, var_1_21=-255, var_1_22=1, var_1_23=-16] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-16, var_1_17=1073741823, var_1_18=116, var_1_19=1073741822, var_1_20=1073741823, var_1_21=-255, var_1_22=1, var_1_23=-16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 20, 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, 78 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, 78 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 10:04:08,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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_loopvsstraightlinecode_50-while_file-82.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 a4e70996cbac37e08f600b6cb8a14d2ecbe3e7aba1c201723d7492aad4813591 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 10:04:11,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 10:04:11,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 10:04:11,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 10:04:11,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 10:04:11,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 10:04:11,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 10:04:11,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 10:04:11,390 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 10:04:11,391 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 10:04:11,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 10:04:11,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 10:04:11,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 10:04:11,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 10:04:11,394 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 10:04:11,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 10:04:11,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 10:04:11,395 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 10:04:11,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 10:04:11,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 10:04:11,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 10:04:11,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 10:04:11,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 10:04:11,400 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 10:04:11,400 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 10:04:11,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 10:04:11,400 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 10:04:11,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 10:04:11,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 10:04:11,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 10:04:11,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 10:04:11,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 10:04:11,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 10:04:11,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 10:04:11,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:04:11,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 10:04:11,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 10:04:11,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 10:04:11,406 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 10:04:11,406 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 10:04:11,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 10:04:11,407 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 10:04:11,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 10:04:11,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 10:04:11,407 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 10:04:11,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e70996cbac37e08f600b6cb8a14d2ecbe3e7aba1c201723d7492aad4813591 [2024-10-24 10:04:11,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 10:04:11,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 10:04:11,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 10:04:11,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 10:04:11,786 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 10:04:11,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i [2024-10-24 10:04:13,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 10:04:13,582 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 10:04:13,584 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i [2024-10-24 10:04:13,601 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07258d74e/8276f131d3cf48a0ae2fa7189c8a5c70/FLAG22dbf07dd [2024-10-24 10:04:13,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07258d74e/8276f131d3cf48a0ae2fa7189c8a5c70 [2024-10-24 10:04:13,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 10:04:13,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 10:04:13,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 10:04:13,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 10:04:13,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 10:04:13,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:13" (1/1) ... [2024-10-24 10:04:13,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332fff73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:13, skipping insertion in model container [2024-10-24 10:04:13,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:13" (1/1) ... [2024-10-24 10:04:13,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 10:04:13,873 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_loopvsstraightlinecode_50-while_file-82.i[915,928] [2024-10-24 10:04:13,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:04:13,967 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 10:04:13,980 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_loopvsstraightlinecode_50-while_file-82.i[915,928] [2024-10-24 10:04:14,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:04:14,040 INFO L204 MainTranslator]: Completed translation [2024-10-24 10:04:14,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14 WrapperNode [2024-10-24 10:04:14,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 10:04:14,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 10:04:14,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 10:04:14,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 10:04:14,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,101 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-10-24 10:04:14,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 10:04:14,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 10:04:14,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 10:04:14,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 10:04:14,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,121 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,144 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 10:04:14,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 10:04:14,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 10:04:14,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 10:04:14,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 10:04:14,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (1/1) ... [2024-10-24 10:04:14,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:04:14,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:04:14,212 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 10:04:14,214 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 10:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 10:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 10:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 10:04:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 10:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 10:04:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 10:04:14,333 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 10:04:14,335 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 10:04:30,634 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-24 10:04:30,634 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 10:04:30,696 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 10:04:30,696 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 10:04:30,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:30 BoogieIcfgContainer [2024-10-24 10:04:30,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 10:04:30,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 10:04:30,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 10:04:30,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 10:04:30,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:04:13" (1/3) ... [2024-10-24 10:04:30,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f34c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:30, skipping insertion in model container [2024-10-24 10:04:30,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:14" (2/3) ... [2024-10-24 10:04:30,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f34c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:30, skipping insertion in model container [2024-10-24 10:04:30,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:30" (3/3) ... [2024-10-24 10:04:30,707 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-82.i [2024-10-24 10:04:30,724 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 10:04:30,725 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 10:04:30,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 10:04:30,807 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;@695da511, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 10:04:30,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 10:04:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 10:04:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 10:04:30,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:04:30,822 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:04:30,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:04:30,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:04:30,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1180507447, now seen corresponding path program 1 times [2024-10-24 10:04:30,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 10:04:30,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10703284] [2024-10-24 10:04:30,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:04:30,845 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 10:04:30,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 10:04:30,848 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 10:04:30,849 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 10:04:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:31,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 10:04:31,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:04:31,562 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-10-24 10:04:31,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 10:04:31,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 10:04:31,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10703284] [2024-10-24 10:04:31,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [10703284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:04:31,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:04:31,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 10:04:31,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637177108] [2024-10-24 10:04:31,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:04:31,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 10:04:31,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 10:04:31,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 10:04:31,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:04:31,598 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 10:04:35,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 10:04:35,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:04:35,823 INFO L93 Difference]: Finished difference Result 109 states and 190 transitions. [2024-10-24 10:04:35,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 10:04:35,879 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-10-24 10:04:35,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:04:35,886 INFO L225 Difference]: With dead ends: 109 [2024-10-24 10:04:35,886 INFO L226 Difference]: Without dead ends: 54 [2024-10-24 10:04:35,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 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 10:04:35,892 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:04:35,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-10-24 10:04:35,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-24 10:04:35,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-24 10:04:35,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 10:04:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 81 transitions. [2024-10-24 10:04:35,935 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 81 transitions. Word has length 124 [2024-10-24 10:04:35,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:04:35,936 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 81 transitions. [2024-10-24 10:04:35,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 10:04:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2024-10-24 10:04:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 10:04:35,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:04:35,940 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:04:35,967 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 10:04:36,149 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 10:04:36,149 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:04:36,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:04:36,150 INFO L85 PathProgramCache]: Analyzing trace with hash -629900497, now seen corresponding path program 1 times [2024-10-24 10:04:36,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 10:04:36,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102032433] [2024-10-24 10:04:36,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:04:36,151 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 10:04:36,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 10:04:36,153 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 10:04:36,155 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 10:04:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:04:37,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-24 10:04:37,544 INFO L278 TraceCheckSpWp]: Computing forward predicates...