./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.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 7acdb65aab585b919fb80ae88d1aab4c4c01ac4e7e41930ddf635f8033c4102c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:51:59,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:51:59,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:51:59,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:51:59,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:51:59,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:51:59,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:51:59,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:51:59,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:51:59,524 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:51:59,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:51:59,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:51:59,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:51:59,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:51:59,526 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:51:59,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:51:59,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:51:59,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:51:59,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:51:59,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:51:59,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:51:59,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:51:59,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:51:59,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:51:59,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:51:59,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:51:59,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:51:59,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:51:59,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:51:59,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:51:59,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:51:59,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:51:59,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:51:59,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:51:59,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:51:59,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:51:59,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:51:59,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:51:59,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:51:59,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:51:59,532 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:51:59,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:51:59,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7acdb65aab585b919fb80ae88d1aab4c4c01ac4e7e41930ddf635f8033c4102c [2024-11-20 05:51:59,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:51:59,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:51:59,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:51:59,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:51:59,743 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:51:59,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-20 05:52:01,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:52:01,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:52:01,399 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-20 05:52:01,407 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80807c0e9/62a37cc8bf76472f883fd2974bb351a3/FLAG65d932d38 [2024-11-20 05:52:01,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80807c0e9/62a37cc8bf76472f883fd2974bb351a3 [2024-11-20 05:52:01,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:52:01,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:52:01,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:52:01,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:52:01,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:52:01,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622b9113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01, skipping insertion in model container [2024-11-20 05:52:01,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:52:01,690 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_has-floats_file-4.i[916,929] [2024-11-20 05:52:01,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:52:01,758 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:52:01,770 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_has-floats_file-4.i[916,929] [2024-11-20 05:52:01,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:52:01,806 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:52:01,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01 WrapperNode [2024-11-20 05:52:01,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:52:01,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:52:01,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:52:01,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:52:01,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,864 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-11-20 05:52:01,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:52:01,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:52:01,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:52:01,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:52:01,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,902 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]. [2024-11-20 05:52:01,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:52:01,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:52:01,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:52:01,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:52:01,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (1/1) ... [2024-11-20 05:52:01,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:52:01,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:52:01,949 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) [2024-11-20 05:52:01,961 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 [2024-11-20 05:52:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:52:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:52:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:52:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:52:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:52:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:52:02,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:52:02,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:52:02,344 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-20 05:52:02,344 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:52:02,355 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:52:02,355 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:52:02,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:02 BoogieIcfgContainer [2024-11-20 05:52:02,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:52:02,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:52:02,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:52:02,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:52:02,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:52:01" (1/3) ... [2024-11-20 05:52:02,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7bc764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:02, skipping insertion in model container [2024-11-20 05:52:02,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:01" (2/3) ... [2024-11-20 05:52:02,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7bc764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:02, skipping insertion in model container [2024-11-20 05:52:02,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:02" (3/3) ... [2024-11-20 05:52:02,364 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-20 05:52:02,378 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:52:02,379 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:52:02,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:52:02,440 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;@1b800281, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:52:02,440 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:52:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-20 05:52:02,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 05:52:02,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:02,455 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:02,456 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:02,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:02,461 INFO L85 PathProgramCache]: Analyzing trace with hash 373793549, now seen corresponding path program 1 times [2024-11-20 05:52:02,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:52:02,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117862004] [2024-11-20 05:52:02,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:02,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:52:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:52:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:52:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 05:52:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:52:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 05:52:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:52:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 05:52:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:52:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:52:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 05:52:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:52:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 05:52:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:52:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 05:52:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:52:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-20 05:52:02,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:52:02,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117862004] [2024-11-20 05:52:02,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117862004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:52:02,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:52:02,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:52:02,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308850132] [2024-11-20 05:52:02,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:52:02,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:52:02,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:52:02,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:52:02,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:52:02,834 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-20 05:52:02,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:52:02,858 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2024-11-20 05:52:02,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:52:02,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2024-11-20 05:52:02,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:52:02,887 INFO L225 Difference]: With dead ends: 87 [2024-11-20 05:52:02,888 INFO L226 Difference]: Without dead ends: 43 [2024-11-20 05:52:02,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:52:02,895 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:52:02,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:52:02,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-20 05:52:02,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-20 05:52:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-20 05:52:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-20 05:52:02,985 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 96 [2024-11-20 05:52:02,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:52:02,986 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-20 05:52:02,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-20 05:52:02,986 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-20 05:52:02,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 05:52:02,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:02,995 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:02,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:52:02,996 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:02,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:02,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1332353645, now seen corresponding path program 1 times [2024-11-20 05:52:02,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:52:02,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437580037] [2024-11-20 05:52:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:02,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:52:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 05:52:03,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802337585] [2024-11-20 05:52:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:03,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 05:52:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:52:03,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 05:52:03,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 05:52:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 05:52:03,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 05:52:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 05:52:03,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 05:52:03,806 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 05:52:03,810 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 05:52:03,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 05:52:04,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 05:52:04,016 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-20 05:52:04,063 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 05:52:04,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:52:04 BoogieIcfgContainer [2024-11-20 05:52:04,066 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 05:52:04,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 05:52:04,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 05:52:04,067 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 05:52:04,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:02" (3/4) ... [2024-11-20 05:52:04,072 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 05:52:04,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 05:52:04,074 INFO L158 Benchmark]: Toolchain (without parser) took 2649.00ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 87.5MB in the beginning and 147.2MB in the end (delta: -59.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 05:52:04,074 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 110.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 05:52:04,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.74ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 87.2MB in the beginning and 186.6MB in the end (delta: -99.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-20 05:52:04,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.10ms. Allocated memory is still 222.3MB. Free memory was 186.6MB in the beginning and 183.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 05:52:04,076 INFO L158 Benchmark]: Boogie Preprocessor took 48.74ms. Allocated memory is still 222.3MB. Free memory was 183.5MB in the beginning and 179.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 05:52:04,077 INFO L158 Benchmark]: RCFGBuilder took 440.66ms. Allocated memory is still 222.3MB. Free memory was 178.2MB in the beginning and 160.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 05:52:04,077 INFO L158 Benchmark]: TraceAbstraction took 1708.23ms. Allocated memory is still 222.3MB. Free memory was 159.4MB in the beginning and 148.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-20 05:52:04,077 INFO L158 Benchmark]: Witness Printer took 6.68ms. Allocated memory is still 222.3MB. Free memory was 148.2MB in the beginning and 147.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 05:52:04,079 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 159.4MB. Free memory was 110.5MB in the beginning and 110.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.74ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 87.2MB in the beginning and 186.6MB in the end (delta: -99.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.10ms. Allocated memory is still 222.3MB. Free memory was 186.6MB in the beginning and 183.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.74ms. Allocated memory is still 222.3MB. Free memory was 183.5MB in the beginning and 179.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 440.66ms. Allocated memory is still 222.3MB. Free memory was 178.2MB in the beginning and 160.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1708.23ms. Allocated memory is still 222.3MB. Free memory was 159.4MB in the beginning and 148.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 6.68ms. Allocated memory is still 222.3MB. Free memory was 148.2MB in the beginning and 147.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] signed short int var_1_3 = -25; [L24] unsigned short int var_1_7 = 4; [L25] unsigned char var_1_8 = 4; [L26] unsigned char var_1_10 = 4; [L27] unsigned char var_1_11 = 8; [L28] unsigned long int var_1_12 = 10; [L29] float var_1_13 = 99.6; [L30] float var_1_14 = 127.5; [L31] float var_1_15 = 16.5; [L32] float var_1_16 = 256.5; [L33] unsigned long int var_1_17 = 4288034294; [L34] unsigned char var_1_18 = 0; [L35] unsigned long int last_1_var_1_12 = 10; [L36] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L87] last_1_var_1_12 = var_1_12 [L88] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L63] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L64] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L64] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L65] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L68] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L71] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L71] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L72] var_1_13 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L73] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L74] var_1_14 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L75] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L76] var_1_15 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L77] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L78] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L78] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L79] var_1_16 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L80] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L81] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L81] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L82] var_1_17 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L83] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L84] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L84] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L99] RET updateVariables() [L100] CALL step() [L40] unsigned long int stepLocal_2 = last_1_var_1_12 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=4] [L41] COND TRUE stepLocal_2 != (last_1_var_1_18 - 64) [L42] var_1_8 = ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=1] [L46] COND TRUE (- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L47] var_1_12 = (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=501, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=-32768, var_1_7=4, var_1_8=1] [L51] var_1_18 = var_1_11 [L52] var_1_7 = var_1_18 [L53] signed long int stepLocal_1 = - var_1_3; [L54] signed long int stepLocal_0 = var_1_7 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=0, stepLocal_1=32768, var_1_10=513, var_1_11=-255, var_1_12=501, var_1_17=2147483647, var_1_18=-255, var_1_1=5, var_1_3=-32768, var_1_7=1, var_1_8=1] [L55] COND FALSE !(stepLocal_0 >= var_1_7) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_1=32768, var_1_10=513, var_1_11=-255, var_1_12=501, var_1_17=2147483647, var_1_18=-255, var_1_1=5, var_1_3=-32768, var_1_7=1, var_1_8=1] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((((var_1_7 / var_1_3) >= var_1_7) ? (((- var_1_3) > var_1_7) ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) : 1) : 1) && (var_1_7 == ((unsigned short int) var_1_18))) && (((last_1_var_1_12 / var_1_3) != (last_1_var_1_18 - 64)) ? (var_1_8 == ((unsigned char) ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) : (var_1_8 == ((unsigned char) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))))) && (((- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (var_1_12 == ((unsigned long int) (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))))) : (var_1_12 == ((unsigned long int) (var_1_17 - var_1_10))))) && (var_1_18 == ((unsigned char) var_1_11)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=501, var_1_17=2147483647, var_1_18=-255, var_1_1=5, var_1_3=-32768, var_1_7=1, var_1_8=1] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=501, var_1_17=2147483647, var_1_18=-255, var_1_1=5, var_1_3=-32768, var_1_7=1, var_1_8=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=513, var_1_11=-255, var_1_12=501, var_1_17=2147483647, var_1_18=-255, var_1_1=5, var_1_3=-32768, var_1_7=1, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 61 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 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 [2024-11-20 05:52:04,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.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 7acdb65aab585b919fb80ae88d1aab4c4c01ac4e7e41930ddf635f8033c4102c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:52:06,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:52:06,172 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 05:52:06,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:52:06,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:52:06,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:52:06,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:52:06,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:52:06,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:52:06,201 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:52:06,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:52:06,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:52:06,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:52:06,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:52:06,206 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:52:06,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:52:06,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:52:06,207 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:52:06,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:52:06,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:52:06,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:52:06,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:52:06,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:52:06,208 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 05:52:06,208 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 05:52:06,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:52:06,209 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 05:52:06,209 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:52:06,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:52:06,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:52:06,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:52:06,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:52:06,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:52:06,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:52:06,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:52:06,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:52:06,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:52:06,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:52:06,211 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 05:52:06,211 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 05:52:06,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:52:06,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:52:06,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:52:06,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:52:06,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7acdb65aab585b919fb80ae88d1aab4c4c01ac4e7e41930ddf635f8033c4102c [2024-11-20 05:52:06,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:52:06,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:52:06,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:52:06,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:52:06,527 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:52:06,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-20 05:52:08,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:52:08,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:52:08,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-20 05:52:08,297 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd4b12c4/f8dbc08d8661436cb4e9fd5e1b969245/FLAGa78da40b9 [2024-11-20 05:52:08,309 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd4b12c4/f8dbc08d8661436cb4e9fd5e1b969245 [2024-11-20 05:52:08,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:52:08,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:52:08,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:52:08,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:52:08,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:52:08,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6f486f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08, skipping insertion in model container [2024-11-20 05:52:08,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:52:08,517 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_has-floats_file-4.i[916,929] [2024-11-20 05:52:08,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:52:08,583 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:52:08,594 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_has-floats_file-4.i[916,929] [2024-11-20 05:52:08,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:52:08,627 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:52:08,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08 WrapperNode [2024-11-20 05:52:08,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:52:08,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:52:08,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:52:08,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:52:08,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,669 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-20 05:52:08,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:52:08,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:52:08,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:52:08,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:52:08,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,717 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]. [2024-11-20 05:52:08,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:52:08,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:52:08,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:52:08,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:52:08,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (1/1) ... [2024-11-20 05:52:08,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:52:08,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:52:08,784 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) [2024-11-20 05:52:08,793 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 [2024-11-20 05:52:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:52:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 05:52:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:52:08,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:52:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:52:08,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:52:08,903 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:52:08,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:52:20,734 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-20 05:52:20,734 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:52:20,746 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:52:20,746 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:52:20,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:20 BoogieIcfgContainer [2024-11-20 05:52:20,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:52:20,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:52:20,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:52:20,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:52:20,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:52:08" (1/3) ... [2024-11-20 05:52:20,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19faba93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:20, skipping insertion in model container [2024-11-20 05:52:20,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:08" (2/3) ... [2024-11-20 05:52:20,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19faba93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:20, skipping insertion in model container [2024-11-20 05:52:20,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:20" (3/3) ... [2024-11-20 05:52:20,753 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-20 05:52:20,766 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:52:20,767 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:52:20,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:52:20,819 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;@34d04350, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:52:20,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:52:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-20 05:52:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 05:52:20,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:20,831 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:20,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:20,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash 373793549, now seen corresponding path program 1 times [2024-11-20 05:52:20,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 05:52:20,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681503164] [2024-11-20 05:52:20,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:20,847 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 [2024-11-20 05:52:20,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 05:52:20,850 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) [2024-11-20 05:52:20,851 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 [2024-11-20 05:52:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:21,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 05:52:21,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:52:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-20 05:52:21,383 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 05:52:21,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 05:52:21,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681503164] [2024-11-20 05:52:21,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681503164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:52:21,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:52:21,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:52:21,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152477731] [2024-11-20 05:52:21,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:52:21,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:52:21,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 05:52:21,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:52:21,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:52:21,435 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-20 05:52:21,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:52:21,453 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2024-11-20 05:52:21,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:52:21,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2024-11-20 05:52:21,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:52:21,460 INFO L225 Difference]: With dead ends: 87 [2024-11-20 05:52:21,460 INFO L226 Difference]: Without dead ends: 43 [2024-11-20 05:52:21,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:52:21,465 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:52:21,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:52:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-20 05:52:21,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-20 05:52:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-20 05:52:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-20 05:52:21,499 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 96 [2024-11-20 05:52:21,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:52:21,499 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-20 05:52:21,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-20 05:52:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-20 05:52:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 05:52:21,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:21,503 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:21,518 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-20 05:52:21,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 05:52:21,704 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:21,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:21,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1332353645, now seen corresponding path program 1 times [2024-11-20 05:52:21,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 05:52:21,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610987995] [2024-11-20 05:52:21,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:21,707 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 [2024-11-20 05:52:21,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 05:52:21,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 05:52:21,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 05:52:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:22,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 05:52:22,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:52:33,014 WARN L286 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 05:52:41,216 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 05:52:49,409 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 05:52:57,618 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 05:53:05,723 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 05:53:13,967 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 05:53:22,221 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 05:53:30,343 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 05:53:38,592 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 05:53:44,774 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)