./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-66.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 bf87e1196d75253bcac685a2c2730327c9154a0ef878663ed8ae9aa04b751e94 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 10:54:18,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 10:54:18,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 10:54:18,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 10:54:18,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 10:54:18,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 10:54:18,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 10:54:18,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 10:54:18,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 10:54:18,960 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 10:54:18,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 10:54:18,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 10:54:18,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 10:54:18,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 10:54:18,961 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 10:54:18,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 10:54:18,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 10:54:18,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 10:54:18,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 10:54:18,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 10:54:18,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 10:54:18,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 10:54:18,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 10:54:18,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 10:54:18,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 10:54:18,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 10:54:18,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 10:54:18,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 10:54:18,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 10:54:18,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 10:54:18,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 10:54:18,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 10:54:18,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:54:18,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 10:54:18,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 10:54:18,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 10:54:18,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 10:54:18,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 10:54:18,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 10:54:18,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 10:54:18,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 10:54:18,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 10:54:18,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf87e1196d75253bcac685a2c2730327c9154a0ef878663ed8ae9aa04b751e94 [2024-11-22 10:54:19,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 10:54:19,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 10:54:19,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 10:54:19,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 10:54:19,252 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 10:54:19,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-66.i [2024-11-22 10:54:20,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 10:54:20,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 10:54:20,990 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-66.i [2024-11-22 10:54:21,000 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adee588f5/2571efe6283c403bb89bed619591e25f/FLAG139bc4dbc [2024-11-22 10:54:21,013 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adee588f5/2571efe6283c403bb89bed619591e25f [2024-11-22 10:54:21,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 10:54:21,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 10:54:21,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 10:54:21,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 10:54:21,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 10:54:21,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404aeaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21, skipping insertion in model container [2024-11-22 10:54:21,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 10:54:21,224 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_loopvsstraightlinecode_25-while_file-66.i[915,928] [2024-11-22 10:54:21,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:54:21,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 10:54:21,317 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_loopvsstraightlinecode_25-while_file-66.i[915,928] [2024-11-22 10:54:21,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:54:21,373 INFO L204 MainTranslator]: Completed translation [2024-11-22 10:54:21,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21 WrapperNode [2024-11-22 10:54:21,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 10:54:21,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 10:54:21,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 10:54:21,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 10:54:21,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,425 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-22 10:54:21,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 10:54:21,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 10:54:21,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 10:54:21,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 10:54:21,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,469 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]. [2024-11-22 10:54:21,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 10:54:21,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 10:54:21,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 10:54:21,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 10:54:21,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (1/1) ... [2024-11-22 10:54:21,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:54:21,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:54:21,539 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) [2024-11-22 10:54:21,546 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 [2024-11-22 10:54:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 10:54:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 10:54:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 10:54:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 10:54:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 10:54:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 10:54:21,670 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 10:54:21,673 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 10:54:21,944 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 10:54:21,944 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 10:54:21,958 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 10:54:21,959 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 10:54:21,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:21 BoogieIcfgContainer [2024-11-22 10:54:21,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 10:54:21,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 10:54:21,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 10:54:21,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 10:54:21,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:54:21" (1/3) ... [2024-11-22 10:54:21,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4098aba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:54:21, skipping insertion in model container [2024-11-22 10:54:21,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:21" (2/3) ... [2024-11-22 10:54:21,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4098aba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:54:21, skipping insertion in model container [2024-11-22 10:54:21,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:21" (3/3) ... [2024-11-22 10:54:21,968 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-66.i [2024-11-22 10:54:21,986 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 10:54:21,986 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 10:54:22,074 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 10:54:22,081 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;@5b1c2189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 10:54:22,081 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 10:54:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 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) [2024-11-22 10:54:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-22 10:54:22,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:54:22,095 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] [2024-11-22 10:54:22,095 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:54:22,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:54:22,100 INFO L85 PathProgramCache]: Analyzing trace with hash -410139964, now seen corresponding path program 1 times [2024-11-22 10:54:22,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 10:54:22,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668238723] [2024-11-22 10:54:22,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:54:22,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 10:54:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 10:54:22,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121275430] [2024-11-22 10:54:22,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:54:22,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 10:54:22,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:54:22,364 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) [2024-11-22 10:54:22,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 10:54:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 10:54:22,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 10:54:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 10:54:22,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 10:54:22,646 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 10:54:22,647 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 10:54:22,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 10:54:22,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 10:54:22,853 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-22 10:54:22,921 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 10:54:22,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:54:22 BoogieIcfgContainer [2024-11-22 10:54:22,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 10:54:22,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 10:54:22,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 10:54:22,925 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 10:54:22,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:21" (3/4) ... [2024-11-22 10:54:22,928 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 10:54:22,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 10:54:22,930 INFO L158 Benchmark]: Toolchain (without parser) took 1912.39ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 112.8MB in the beginning and 148.2MB in the end (delta: -35.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-22 10:54:22,930 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 10:54:22,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.58ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 97.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 10:54:22,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.21ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 94.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 10:54:22,931 INFO L158 Benchmark]: Boogie Preprocessor took 72.27ms. Allocated memory is still 167.8MB. Free memory was 94.5MB in the beginning and 90.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 10:54:22,932 INFO L158 Benchmark]: RCFGBuilder took 459.98ms. Allocated memory is still 167.8MB. Free memory was 90.3MB in the beginning and 73.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 10:54:22,933 INFO L158 Benchmark]: TraceAbstraction took 962.34ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 73.0MB in the beginning and 148.2MB in the end (delta: -75.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 10:54:22,933 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 211.8MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 10:54:22,935 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.58ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 97.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.21ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 94.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.27ms. Allocated memory is still 167.8MB. Free memory was 94.5MB in the beginning and 90.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 459.98ms. Allocated memory is still 167.8MB. Free memory was 90.3MB in the beginning and 73.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 962.34ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 73.0MB in the beginning and 148.2MB in the end (delta: -75.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 211.8MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned short int var_1_4 = 4; [L24] unsigned short int var_1_7 = 10000; [L25] unsigned short int var_1_9 = 38382; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 100; [L29] double var_1_13 = 5.9; [L30] float var_1_15 = 9.375; [L31] double var_1_16 = 64.75; [L32] double var_1_17 = 99.5; [L33] float var_1_18 = 0.75; [L34] unsigned char last_1_var_1_10 = 0; [L35] double last_1_var_1_13 = 5.9; VAL [isInitial=0, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=4, var_1_7=10000, var_1_9=38382] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L87] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=4, var_1_7=10000, var_1_9=38382] [L97] RET updateLastVariables() [L98] CALL updateVariables() [L60] var_1_4 = __VERIFIER_nondet_ushort() [L61] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L61] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_7=10000, var_1_9=38382] [L62] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=10000, var_1_9=38382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=10000, var_1_9=38382] [L62] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=10000, var_1_9=38382] [L63] var_1_7 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L64] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L65] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L65] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=38382] [L66] var_1_9 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L67] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L68] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L68] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [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_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L71] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L71] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=100, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L72] var_1_12 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L74] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L74] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_15=75/8, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L75] var_1_15 = __VERIFIER_nondet_float() [L76] 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_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L76] 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_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_16=259/4, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L77] var_1_16 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L78] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_17=199/2, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L79] var_1_17 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L80] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_18=3/4, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L81] var_1_18 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L82] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L83] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L83] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L98] RET updateVariables() [L99] CALL step() [L39] COND TRUE last_1_var_1_10 <= last_1_var_1_10 [L40] var_1_1 = (last_1_var_1_10 + ((last_1_var_1_10 + last_1_var_1_10) + (var_1_7 - last_1_var_1_10))) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L44] COND FALSE !(\read(var_1_11)) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=59/10, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L49] COND TRUE (last_1_var_1_13 + var_1_15) < 16.75f [L50] var_1_13 = ((((((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) < (var_1_17)) ? (((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) : (var_1_17))) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=0, var_1_17=0, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return (((last_1_var_1_10 <= last_1_var_1_10) ? (var_1_1 == ((unsigned short int) (last_1_var_1_10 + ((last_1_var_1_10 + last_1_var_1_10) + (var_1_7 - last_1_var_1_10))))) : (var_1_1 == ((unsigned short int) (var_1_9 - var_1_7)))) && (var_1_11 ? ((((var_1_4 % var_1_9) * var_1_1) >= var_1_7) ? (var_1_10 == ((unsigned char) var_1_12)) : 1) : 1)) && (((last_1_var_1_13 + var_1_15) < 16.75f) ? (var_1_13 == ((double) ((((((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) < (var_1_17)) ? (((((2.625) > (var_1_16)) ? (2.625) : (var_1_16)))) : (var_1_17))))) : (((var_1_17 / var_1_18) <= 49.6) ? (var_1_13 == ((double) var_1_17)) : (var_1_13 == ((double) var_1_16)))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=0, var_1_17=0, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=0, var_1_17=0, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_13=59/10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=21/8, var_1_16=0, var_1_17=0, var_1_1=8191, var_1_4=0, var_1_7=-57345, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 10:54:22,958 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 ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-66.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 bf87e1196d75253bcac685a2c2730327c9154a0ef878663ed8ae9aa04b751e94 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 10:54:25,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 10:54:25,280 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 10:54:25,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 10:54:25,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 10:54:25,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 10:54:25,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 10:54:25,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 10:54:25,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 10:54:25,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 10:54:25,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 10:54:25,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 10:54:25,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 10:54:25,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 10:54:25,325 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 10:54:25,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 10:54:25,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 10:54:25,326 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 10:54:25,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 10:54:25,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 10:54:25,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 10:54:25,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 10:54:25,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 10:54:25,331 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 10:54:25,331 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 10:54:25,332 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 10:54:25,332 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 10:54:25,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 10:54:25,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 10:54:25,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 10:54:25,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 10:54:25,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 10:54:25,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 10:54:25,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 10:54:25,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:54:25,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 10:54:25,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 10:54:25,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 10:54:25,336 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 10:54:25,337 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 10:54:25,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 10:54:25,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 10:54:25,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 10:54:25,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 10:54:25,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf87e1196d75253bcac685a2c2730327c9154a0ef878663ed8ae9aa04b751e94 [2024-11-22 10:54:25,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 10:54:25,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 10:54:25,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 10:54:25,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 10:54:25,690 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 10:54:25,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-66.i [2024-11-22 10:54:27,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 10:54:27,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 10:54:27,400 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-66.i [2024-11-22 10:54:27,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094442b48/f312f45d53b641cca798bc85162fe8b6/FLAG566a17ff4 [2024-11-22 10:54:27,434 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094442b48/f312f45d53b641cca798bc85162fe8b6 [2024-11-22 10:54:27,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 10:54:27,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 10:54:27,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 10:54:27,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 10:54:27,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 10:54:27,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223b1dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27, skipping insertion in model container [2024-11-22 10:54:27,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 10:54:27,684 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_loopvsstraightlinecode_25-while_file-66.i[915,928] [2024-11-22 10:54:27,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:54:27,757 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 10:54:27,769 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_loopvsstraightlinecode_25-while_file-66.i[915,928] [2024-11-22 10:54:27,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:54:27,821 INFO L204 MainTranslator]: Completed translation [2024-11-22 10:54:27,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27 WrapperNode [2024-11-22 10:54:27,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 10:54:27,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 10:54:27,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 10:54:27,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 10:54:27,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,887 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-22 10:54:27,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 10:54:27,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 10:54:27,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 10:54:27,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 10:54:27,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,906 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,927 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]. [2024-11-22 10:54:27,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 10:54:27,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 10:54:27,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 10:54:27,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 10:54:27,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (1/1) ... [2024-11-22 10:54:27,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:54:27,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:54:27,991 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) [2024-11-22 10:54:27,994 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 [2024-11-22 10:54:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 10:54:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 10:54:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 10:54:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 10:54:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 10:54:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 10:54:28,097 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 10:54:28,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 10:54:41,340 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 10:54:41,341 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 10:54:41,355 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 10:54:41,356 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 10:54:41,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:41 BoogieIcfgContainer [2024-11-22 10:54:41,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 10:54:41,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 10:54:41,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 10:54:41,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 10:54:41,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:54:27" (1/3) ... [2024-11-22 10:54:41,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c239e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:54:41, skipping insertion in model container [2024-11-22 10:54:41,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:27" (2/3) ... [2024-11-22 10:54:41,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c239e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:54:41, skipping insertion in model container [2024-11-22 10:54:41,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:41" (3/3) ... [2024-11-22 10:54:41,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-66.i [2024-11-22 10:54:41,382 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 10:54:41,382 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 10:54:41,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 10:54:41,455 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;@60a6b3ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 10:54:41,455 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 10:54:41,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 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) [2024-11-22 10:54:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-22 10:54:41,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:54:41,473 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] [2024-11-22 10:54:41,473 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:54:41,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:54:41,479 INFO L85 PathProgramCache]: Analyzing trace with hash -410139964, now seen corresponding path program 1 times [2024-11-22 10:54:41,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 10:54:41,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005637372] [2024-11-22 10:54:41,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:54:41,497 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 [2024-11-22 10:54:41,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 10:54:41,500 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) [2024-11-22 10:54:41,502 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 [2024-11-22 10:54:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:54:42,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 10:54:42,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 10:55:18,522 WARN L286 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)