./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.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 2f7348383fbfe60948d51b6a2558ece637bf3e6137abb8f292fdbb0029f6276f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:45:02,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:45:02,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:45:02,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:45:02,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:45:02,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:45:02,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:45:02,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:45:02,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:45:02,327 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:45:02,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:45:02,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:45:02,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:45:02,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:45:02,330 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:45:02,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:45:02,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:45:02,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:45:02,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:45:02,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:45:02,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:45:02,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:45:02,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:45:02,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:45:02,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:45:02,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:45:02,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:45:02,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:45:02,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:45:02,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:45:02,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:45:02,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:45:02,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:45:02,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:45:02,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:45:02,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:45:02,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:45:02,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:45:02,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:45:02,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:45:02,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:45:02,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:45:02,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f7348383fbfe60948d51b6a2558ece637bf3e6137abb8f292fdbb0029f6276f [2024-11-12 04:45:02,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:45:02,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:45:02,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:45:02,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:45:02,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:45:02,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i [2024-11-12 04:45:04,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:45:04,442 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:45:04,444 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i [2024-11-12 04:45:04,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d02e6f7a/18ac749024f144028db43399394bf92d/FLAG3e54aaeec [2024-11-12 04:45:04,468 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d02e6f7a/18ac749024f144028db43399394bf92d [2024-11-12 04:45:04,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:45:04,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:45:04,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:45:04,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:45:04,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:45:04,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b525b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04, skipping insertion in model container [2024-11-12 04:45:04,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:45:04,644 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i[915,928] [2024-11-12 04:45:04,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:45:04,702 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:45:04,713 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i[915,928] [2024-11-12 04:45:04,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:45:04,753 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:45:04,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04 WrapperNode [2024-11-12 04:45:04,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:45:04,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:45:04,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:45:04,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:45:04,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,790 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-12 04:45:04,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:45:04,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:45:04,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:45:04,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:45:04,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,846 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]. [2024-11-12 04:45:04,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:45:04,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:45:04,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:45:04,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:45:04,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (1/1) ... [2024-11-12 04:45:04,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:45:04,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:45:04,923 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) [2024-11-12 04:45:04,928 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 [2024-11-12 04:45:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:45:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:45:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:45:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:45:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:45:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:45:05,031 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:45:05,034 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:45:05,240 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-12 04:45:05,240 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:45:05,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:45:05,254 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:45:05,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:45:05 BoogieIcfgContainer [2024-11-12 04:45:05,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:45:05,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:45:05,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:45:05,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:45:05,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:45:04" (1/3) ... [2024-11-12 04:45:05,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692ce027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:45:05, skipping insertion in model container [2024-11-12 04:45:05,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:04" (2/3) ... [2024-11-12 04:45:05,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692ce027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:45:05, skipping insertion in model container [2024-11-12 04:45:05,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:45:05" (3/3) ... [2024-11-12 04:45:05,274 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-0.i [2024-11-12 04:45:05,309 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:45:05,310 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:45:05,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:45:05,379 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;@3b6db6e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:45:05,381 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:45:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 04:45:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-12 04:45:05,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:45:05,393 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:45:05,394 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:45:05,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:45:05,400 INFO L85 PathProgramCache]: Analyzing trace with hash -673112580, now seen corresponding path program 1 times [2024-11-12 04:45:05,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:45:05,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075802642] [2024-11-12 04:45:05,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:45:05,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:45:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:45:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:45:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:45:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:45:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:45:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:45:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:45:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:45:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:45:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:45:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 04:45:06,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:45:06,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075802642] [2024-11-12 04:45:06,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075802642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:45:06,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:45:06,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 04:45:06,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852417499] [2024-11-12 04:45:06,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:45:06,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 04:45:06,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:45:06,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 04:45:06,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 04:45:06,353 INFO L87 Difference]: Start difference. First operand has 43 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-12 04:45:06,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:45:06,514 INFO L93 Difference]: Finished difference Result 113 states and 191 transitions. [2024-11-12 04:45:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 04:45:06,516 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 68 [2024-11-12 04:45:06,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:45:06,524 INFO L225 Difference]: With dead ends: 113 [2024-11-12 04:45:06,524 INFO L226 Difference]: Without dead ends: 73 [2024-11-12 04:45:06,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 04:45:06,532 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 52 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:45:06,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 249 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:45:06,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-12 04:45:06,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2024-11-12 04:45:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 48 states have (on average 1.25) internal successors, (60), 49 states have internal predecessors, (60), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-12 04:45:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2024-11-12 04:45:06,566 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 68 [2024-11-12 04:45:06,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:45:06,567 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2024-11-12 04:45:06,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-12 04:45:06,567 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2024-11-12 04:45:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-12 04:45:06,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:45:06,569 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:45:06,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:45:06,570 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:45:06,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:45:06,570 INFO L85 PathProgramCache]: Analyzing trace with hash -615854278, now seen corresponding path program 1 times [2024-11-12 04:45:06,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:45:06,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068043712] [2024-11-12 04:45:06,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:45:06,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:45:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 04:45:06,592 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 04:45:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 04:45:06,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 04:45:06,640 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 04:45:06,641 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 04:45:06,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:45:06,645 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 04:45:06,706 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 04:45:06,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:45:06 BoogieIcfgContainer [2024-11-12 04:45:06,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 04:45:06,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 04:45:06,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 04:45:06,711 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 04:45:06,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:45:05" (3/4) ... [2024-11-12 04:45:06,714 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 04:45:06,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 04:45:06,717 INFO L158 Benchmark]: Toolchain (without parser) took 2245.15ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 64.1MB in the beginning and 105.7MB in the end (delta: -41.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-12 04:45:06,717 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 04:45:06,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.89ms. Allocated memory is still 136.3MB. Free memory was 63.8MB in the beginning and 50.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 04:45:06,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.36ms. Allocated memory is still 136.3MB. Free memory was 50.3MB in the beginning and 48.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 04:45:06,718 INFO L158 Benchmark]: Boogie Preprocessor took 76.40ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 48.2MB in the beginning and 170.1MB in the end (delta: -121.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-12 04:45:06,719 INFO L158 Benchmark]: RCFGBuilder took 386.18ms. Allocated memory is still 201.3MB. Free memory was 170.0MB in the beginning and 156.9MB in the end (delta: 13.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-12 04:45:06,720 INFO L158 Benchmark]: TraceAbstraction took 1449.87ms. Allocated memory is still 201.3MB. Free memory was 155.9MB in the beginning and 105.7MB in the end (delta: 50.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-11-12 04:45:06,720 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 201.3MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 04:45:06,724 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.89ms. Allocated memory is still 136.3MB. Free memory was 63.8MB in the beginning and 50.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.36ms. Allocated memory is still 136.3MB. Free memory was 50.3MB in the beginning and 48.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.40ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 48.2MB in the beginning and 170.1MB in the end (delta: -121.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * RCFGBuilder took 386.18ms. Allocated memory is still 201.3MB. Free memory was 170.0MB in the beginning and 156.9MB in the end (delta: 13.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1449.87ms. Allocated memory is still 201.3MB. Free memory was 155.9MB in the beginning and 105.7MB in the end (delta: 50.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 201.3MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 25; [L23] unsigned char var_1_2 = 1; [L24] signed long int var_1_3 = 128; [L25] signed long int var_1_4 = 15; [L26] signed long int var_1_5 = 5; [L27] unsigned char var_1_9 = 1; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_12 = 1; [L30] unsigned short int var_1_13 = 5; [L31] signed long int last_1_var_1_5 = 5; [L32] unsigned char last_1_var_1_10 = 100; [L33] unsigned short int last_1_var_1_13 = 5; VAL [isInitial=0, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L86] last_1_var_1_5 = var_1_5 [L87] last_1_var_1_10 = var_1_10 [L88] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L70] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L71] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L72] var_1_3 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L73] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L74] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L75] var_1_4 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L76] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L77] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5] [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L81] var_1_12 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L82] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L83] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L99] RET updateVariables() [L100] CALL step() [L37] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L42] COND FALSE !((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L47] COND FALSE !(! var_1_2) [L50] var_1_1 = ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L52] COND FALSE !((var_1_3 + (var_1_4 + var_1_1)) != var_1_1) [L65] var_1_5 = var_1_3 VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_9=0] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((! var_1_2) ? (var_1_1 == ((signed long int) (var_1_3 - var_1_4))) : (var_1_1 == ((signed long int) ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3)))))) && (((var_1_3 + (var_1_4 + var_1_1)) != var_1_1) ? (var_1_2 ? (((- var_1_13) <= var_1_10) ? (var_1_9 ? (var_1_5 == ((signed long int) var_1_4)) : 1) : (var_1_5 == ((signed long int) var_1_3))) : (var_1_5 == ((signed long int) var_1_3))) : (var_1_5 == ((signed long int) var_1_3)))) && (((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) ? ((last_1_var_1_13 > last_1_var_1_13) ? (var_1_10 == ((unsigned char) var_1_12)) : 1) : 1)) && (var_1_9 ? (((var_1_4 * (var_1_3 - 5.3)) <= last_1_var_1_5) ? (var_1_13 == ((unsigned short int) last_1_var_1_10)) : 1) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=-1, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_9=0] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=-1, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=-1, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 249 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 65 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=1, InterpolantAutomatonStates: 7, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 180/180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 04:45:06,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.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 2f7348383fbfe60948d51b6a2558ece637bf3e6137abb8f292fdbb0029f6276f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:45:09,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:45:09,086 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-12 04:45:09,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:45:09,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:45:09,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:45:09,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:45:09,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:45:09,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:45:09,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:45:09,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:45:09,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:45:09,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:45:09,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:45:09,135 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:45:09,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:45:09,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:45:09,135 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:45:09,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:45:09,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:45:09,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:45:09,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:45:09,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:45:09,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 04:45:09,137 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 04:45:09,137 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:45:09,137 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 04:45:09,137 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:45:09,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:45:09,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:45:09,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:45:09,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:45:09,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:45:09,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:45:09,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:45:09,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:45:09,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:45:09,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:45:09,139 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 04:45:09,139 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 04:45:09,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:45:09,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:45:09,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:45:09,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:45:09,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f7348383fbfe60948d51b6a2558ece637bf3e6137abb8f292fdbb0029f6276f [2024-11-12 04:45:09,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:45:09,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:45:09,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:45:09,443 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:45:09,443 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:45:09,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i [2024-11-12 04:45:10,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:45:11,189 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:45:11,190 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i [2024-11-12 04:45:11,207 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aaf62157/7638b45c229643479322e481f2c1cf1c/FLAGa4688caa1 [2024-11-12 04:45:11,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aaf62157/7638b45c229643479322e481f2c1cf1c [2024-11-12 04:45:11,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:45:11,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:45:11,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:45:11,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:45:11,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:45:11,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308bea59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11, skipping insertion in model container [2024-11-12 04:45:11,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:45:11,660 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i[915,928] [2024-11-12 04:45:11,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:45:11,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:45:11,763 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i[915,928] [2024-11-12 04:45:11,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:45:11,808 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:45:11,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11 WrapperNode [2024-11-12 04:45:11,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:45:11,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:45:11,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:45:11,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:45:11,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,845 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2024-11-12 04:45:11,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:45:11,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:45:11,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:45:11,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:45:11,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,860 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,905 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]. [2024-11-12 04:45:11,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:45:11,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:45:11,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:45:11,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:45:11,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (1/1) ... [2024-11-12 04:45:11,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:45:11,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:45:11,993 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) [2024-11-12 04:45:11,995 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 [2024-11-12 04:45:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:45:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-12 04:45:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:45:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:45:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:45:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:45:12,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:45:12,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:45:24,871 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-12 04:45:24,871 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:45:24,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:45:24,893 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:45:24,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:45:24 BoogieIcfgContainer [2024-11-12 04:45:24,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:45:24,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:45:24,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:45:24,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:45:24,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:45:11" (1/3) ... [2024-11-12 04:45:24,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28077726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:45:24, skipping insertion in model container [2024-11-12 04:45:24,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:45:11" (2/3) ... [2024-11-12 04:45:24,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28077726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:45:24, skipping insertion in model container [2024-11-12 04:45:24,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:45:24" (3/3) ... [2024-11-12 04:45:24,903 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-0.i [2024-11-12 04:45:24,926 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:45:24,927 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:45:24,982 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:45:24,988 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;@14ae804, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:45:24,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:45:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 04:45:25,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-12 04:45:25,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:45:25,001 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:45:25,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:45:25,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:45:25,030 INFO L85 PathProgramCache]: Analyzing trace with hash -673112580, now seen corresponding path program 1 times [2024-11-12 04:45:25,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 04:45:25,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766543071] [2024-11-12 04:45:25,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:45:25,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 04:45:25,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 04:45:25,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 04:45:25,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-12 04:45:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 04:45:25,391 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 04:45:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 04:45:25,697 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-12 04:45:25,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [219306930] [2024-11-12 04:45:25,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:45:25,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-12 04:45:25,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-12 04:45:25,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-12 04:45:25,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-12 04:45:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:45:26,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 04:45:26,310 INFO L279 TraceCheckSpWp]: Computing forward predicates...