./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/bound-unbounded.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/floats-nonlinear/bound-unbounded.c -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 c4cb13047a577b4d9ca40cf888d17f0c76dd85b489d9425c08ea7ff3075ceaea --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 13:46:57,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 13:46:57,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 13:46:57,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 13:46:57,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 13:46:57,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 13:46:57,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 13:46:57,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 13:46:57,711 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 13:46:57,712 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 13:46:57,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 13:46:57,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 13:46:57,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 13:46:57,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 13:46:57,715 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 13:46:57,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 13:46:57,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 13:46:57,715 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 13:46:57,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 13:46:57,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 13:46:57,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 13:46:57,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 13:46:57,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 13:46:57,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 13:46:57,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 13:46:57,718 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 13:46:57,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 13:46:57,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 13:46:57,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 13:46:57,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 13:46:57,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 13:46:57,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 13:46:57,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:46:57,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 13:46:57,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 13:46:57,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 13:46:57,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 13:46:57,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 13:46:57,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 13:46:57,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 13:46:57,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 13:46:57,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 13:46:57,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4cb13047a577b4d9ca40cf888d17f0c76dd85b489d9425c08ea7ff3075ceaea [2024-11-08 13:46:57,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 13:46:57,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 13:46:57,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 13:46:57,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 13:46:57,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 13:46:57,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/bound-unbounded.c [2024-11-08 13:46:59,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 13:46:59,344 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 13:46:59,345 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/bound-unbounded.c [2024-11-08 13:46:59,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50868c84f/2302bd09bbff4190a2d24744a3332103/FLAGc030a196e [2024-11-08 13:46:59,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50868c84f/2302bd09bbff4190a2d24744a3332103 [2024-11-08 13:46:59,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 13:46:59,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 13:46:59,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 13:46:59,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 13:46:59,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 13:46:59,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d622968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59, skipping insertion in model container [2024-11-08 13:46:59,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 13:46:59,523 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/bound-unbounded.c[610,623] [2024-11-08 13:46:59,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:46:59,538 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 13:46:59,547 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/bound-unbounded.c[610,623] [2024-11-08 13:46:59,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:46:59,561 INFO L204 MainTranslator]: Completed translation [2024-11-08 13:46:59,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59 WrapperNode [2024-11-08 13:46:59,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 13:46:59,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 13:46:59,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 13:46:59,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 13:46:59,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,583 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-11-08 13:46:59,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 13:46:59,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 13:46:59,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 13:46:59,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 13:46:59,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,599 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 13:46:59,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 13:46:59,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 13:46:59,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 13:46:59,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 13:46:59,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (1/1) ... [2024-11-08 13:46:59,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:46:59,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 13:46:59,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 13:46:59,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 13:46:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 13:46:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 13:46:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 13:46:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 13:46:59,775 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 13:46:59,777 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 13:46:59,854 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 13:46:59,854 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 13:46:59,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 13:46:59,867 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 13:46:59,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:46:59 BoogieIcfgContainer [2024-11-08 13:46:59,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 13:46:59,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 13:46:59,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 13:46:59,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 13:46:59,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 01:46:59" (1/3) ... [2024-11-08 13:46:59,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc71b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:46:59, skipping insertion in model container [2024-11-08 13:46:59,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:46:59" (2/3) ... [2024-11-08 13:46:59,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc71b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:46:59, skipping insertion in model container [2024-11-08 13:46:59,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:46:59" (3/3) ... [2024-11-08 13:46:59,877 INFO L112 eAbstractionObserver]: Analyzing ICFG bound-unbounded.c [2024-11-08 13:46:59,893 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 13:46:59,894 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 13:46:59,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 13:46:59,956 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;@15a04e0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 13:46:59,956 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 13:46:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 13:46:59,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 13:46:59,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:46:59,969 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 13:46:59,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:46:59,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:46:59,973 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-08 13:46:59,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 13:46:59,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105198380] [2024-11-08 13:46:59,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:46:59,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 13:47:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:00,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 13:47:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:00,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 13:47:00,116 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 13:47:00,117 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 13:47:00,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 13:47:00,121 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 13:47:00,134 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 13:47:00,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 01:47:00 BoogieIcfgContainer [2024-11-08 13:47:00,138 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 13:47:00,139 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 13:47:00,139 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 13:47:00,139 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 13:47:00,139 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:46:59" (3/4) ... [2024-11-08 13:47:00,140 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 13:47:00,173 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 13:47:00,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 13:47:00,174 INFO L158 Benchmark]: Toolchain (without parser) took 801.94ms. Allocated memory is still 192.9MB. Free memory was 121.5MB in the beginning and 138.7MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:00,175 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 192.9MB. Free memory is still 149.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:00,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.18ms. Allocated memory is still 192.9MB. Free memory was 121.3MB in the beginning and 109.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 13:47:00,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.85ms. Allocated memory is still 192.9MB. Free memory was 109.2MB in the beginning and 107.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:00,176 INFO L158 Benchmark]: Boogie Preprocessor took 20.28ms. Allocated memory is still 192.9MB. Free memory was 107.8MB in the beginning and 106.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:00,176 INFO L158 Benchmark]: RCFGBuilder took 263.41ms. Allocated memory is still 192.9MB. Free memory was 106.1MB in the beginning and 155.5MB in the end (delta: -49.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-08 13:47:00,177 INFO L158 Benchmark]: TraceAbstraction took 267.56ms. Allocated memory is still 192.9MB. Free memory was 154.5MB in the beginning and 139.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 13:47:00,177 INFO L158 Benchmark]: Witness Printer took 34.99ms. Allocated memory is still 192.9MB. Free memory was 139.8MB in the beginning and 138.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:00,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 192.9MB. Free memory is still 149.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.18ms. Allocated memory is still 192.9MB. Free memory was 121.3MB in the beginning and 109.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.85ms. Allocated memory is still 192.9MB. Free memory was 109.2MB in the beginning and 107.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.28ms. Allocated memory is still 192.9MB. Free memory was 107.8MB in the beginning and 106.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 263.41ms. Allocated memory is still 192.9MB. Free memory was 106.1MB in the beginning and 155.5MB in the end (delta: -49.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * TraceAbstraction took 267.56ms. Allocated memory is still 192.9MB. Free memory was 154.5MB in the beginning and 139.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 34.99ms. Allocated memory is still 192.9MB. Free memory was 139.8MB in the beginning and 138.7MB 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 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L35] int x, y; [L36] x = __VERIFIER_nondet_int() [L37] y = __VERIFIER_nondet_int() [L38] CALL, EXPR solve(x, y) [L28] COND TRUE 200 * a + 150 * b <= 4000 && 100 * a + 250 * b >= 0 [L29] return 1; VAL [\result=1] [L38] RET, EXPR solve(x, y) [L38] CALL __VERIFIER_assert(!solve(x, y)) [L18] COND TRUE !(cond) [L20] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! [2024-11-08 13:47:00,210 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE