./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.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 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 04:43:09,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 04:43:09,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 04:43:09,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 04:43:09,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 04:43:09,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 04:43:09,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 04:43:09,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 04:43:09,424 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 04:43:09,424 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 04:43:09,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 04:43:09,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 04:43:09,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 04:43:09,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 04:43:09,428 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 04:43:09,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 04:43:09,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 04:43:09,429 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 04:43:09,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 04:43:09,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 04:43:09,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 04:43:09,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 04:43:09,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 04:43:09,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 04:43:09,435 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 04:43:09,435 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 04:43:09,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 04:43:09,435 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 04:43:09,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 04:43:09,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 04:43:09,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 04:43:09,437 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 04:43:09,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:43:09,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 04:43:09,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 04:43:09,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 04:43:09,438 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 04:43:09,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 04:43:09,438 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 04:43:09,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 04:43:09,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 04:43:09,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 04:43:09,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e [2024-10-13 04:43:09,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 04:43:09,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 04:43:09,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 04:43:09,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 04:43:09,732 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 04:43:09,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2024-10-13 04:43:11,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 04:43:11,452 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 04:43:11,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2024-10-13 04:43:11,462 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21a62915/b194928ecb2a4e13b99feb2627a3c438/FLAG693cdf7e2 [2024-10-13 04:43:11,481 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21a62915/b194928ecb2a4e13b99feb2627a3c438 [2024-10-13 04:43:11,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 04:43:11,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 04:43:11,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 04:43:11,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 04:43:11,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 04:43:11,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca7e276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11, skipping insertion in model container [2024-10-13 04:43:11,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 04:43:11,700 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2024-10-13 04:43:11,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:43:11,781 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 04:43:11,791 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2024-10-13 04:43:11,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:43:11,835 INFO L204 MainTranslator]: Completed translation [2024-10-13 04:43:11,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11 WrapperNode [2024-10-13 04:43:11,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 04:43:11,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 04:43:11,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 04:43:11,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 04:43:11,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,892 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-10-13 04:43:11,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 04:43:11,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 04:43:11,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 04:43:11,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 04:43:11,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,923 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 04:43:11,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 04:43:11,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 04:43:11,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 04:43:11,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 04:43:11,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (1/1) ... [2024-10-13 04:43:11,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:43:11,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:43:11,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 04:43:11,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 04:43:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 04:43:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 04:43:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 04:43:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 04:43:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 04:43:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 04:43:12,141 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 04:43:12,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 04:43:12,469 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-13 04:43:12,470 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 04:43:12,493 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 04:43:12,494 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 04:43:12,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:43:12 BoogieIcfgContainer [2024-10-13 04:43:12,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 04:43:12,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 04:43:12,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 04:43:12,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 04:43:12,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:43:11" (1/3) ... [2024-10-13 04:43:12,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e91851a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:43:12, skipping insertion in model container [2024-10-13 04:43:12,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:11" (2/3) ... [2024-10-13 04:43:12,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e91851a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:43:12, skipping insertion in model container [2024-10-13 04:43:12,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:43:12" (3/3) ... [2024-10-13 04:43:12,507 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-62.i [2024-10-13 04:43:12,522 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 04:43:12,523 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 04:43:12,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 04:43:12,591 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;@785ba42b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 04:43:12,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 04:43:12,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 43 states have internal predecessors, (62), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 04:43:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-13 04:43:12,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:43:12,612 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:43:12,613 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:43:12,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:43:12,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1839874470, now seen corresponding path program 1 times [2024-10-13 04:43:12,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:43:12,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487514714] [2024-10-13 04:43:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:43:12,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:43:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:43:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:43:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 04:43:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:43:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 04:43:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 04:43:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 04:43:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:43:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:43:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 04:43:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:43:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:12,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 04:43:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:43:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:43:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:13,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:43:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:13,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:43:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:13,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:43:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:13,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:43:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:13,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:43:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-13 04:43:13,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:43:13,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487514714] [2024-10-13 04:43:13,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487514714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:43:13,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:43:13,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 04:43:13,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324802924] [2024-10-13 04:43:13,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:43:13,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 04:43:13,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:43:13,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 04:43:13,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:43:13,084 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 43 states have internal predecessors, (62), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 04:43:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:43:13,149 INFO L93 Difference]: Finished difference Result 121 states and 211 transitions. [2024-10-13 04:43:13,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 04:43:13,153 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-10-13 04:43:13,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:43:13,162 INFO L225 Difference]: With dead ends: 121 [2024-10-13 04:43:13,163 INFO L226 Difference]: Without dead ends: 58 [2024-10-13 04:43:13,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:43:13,187 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:43:13,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:43:13,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-13 04:43:13,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-10-13 04:43:13,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 04:43:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 87 transitions. [2024-10-13 04:43:13,239 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 87 transitions. Word has length 121 [2024-10-13 04:43:13,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:43:13,240 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 87 transitions. [2024-10-13 04:43:13,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 04:43:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2024-10-13 04:43:13,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-13 04:43:13,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:43:13,246 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:43:13,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 04:43:13,246 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:43:13,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:43:13,247 INFO L85 PathProgramCache]: Analyzing trace with hash 410099116, now seen corresponding path program 1 times [2024-10-13 04:43:13,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:43:13,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105369500] [2024-10-13 04:43:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:43:13,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:43:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 04:43:13,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642162847] [2024-10-13 04:43:13,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:43:13,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:43:13,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:43:13,432 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) [2024-10-13 04:43:13,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 04:43:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 04:43:13,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 04:43:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 04:43:13,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 04:43:13,745 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 04:43:13,748 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-13 04:43:13,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 04:43:13,951 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 [2024-10-13 04:43:13,955 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 04:43:14,043 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 04:43:14,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:43:14 BoogieIcfgContainer [2024-10-13 04:43:14,046 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 04:43:14,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 04:43:14,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 04:43:14,047 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 04:43:14,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:43:12" (3/4) ... [2024-10-13 04:43:14,049 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 04:43:14,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 04:43:14,052 INFO L158 Benchmark]: Toolchain (without parser) took 2565.65ms. Allocated memory was 184.5MB in the beginning and 272.6MB in the end (delta: 88.1MB). Free memory was 132.1MB in the beginning and 199.9MB in the end (delta: -67.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-13 04:43:14,052 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 04:43:14,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.57ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 116.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 04:43:14,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.63ms. Allocated memory is still 184.5MB. Free memory was 116.7MB in the beginning and 113.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 04:43:14,053 INFO L158 Benchmark]: Boogie Preprocessor took 50.37ms. Allocated memory is still 184.5MB. Free memory was 113.8MB in the beginning and 110.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 04:43:14,054 INFO L158 Benchmark]: RCFGBuilder took 550.46ms. Allocated memory is still 184.5MB. Free memory was 110.0MB in the beginning and 87.8MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 04:43:14,054 INFO L158 Benchmark]: TraceAbstraction took 1545.74ms. Allocated memory was 184.5MB in the beginning and 272.6MB in the end (delta: 88.1MB). Free memory was 87.4MB in the beginning and 199.9MB in the end (delta: -112.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 04:43:14,054 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 272.6MB. Free memory is still 199.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 04:43:14,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.57ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 116.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.63ms. Allocated memory is still 184.5MB. Free memory was 116.7MB in the beginning and 113.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.37ms. Allocated memory is still 184.5MB. Free memory was 113.8MB in the beginning and 110.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 550.46ms. Allocated memory is still 184.5MB. Free memory was 110.0MB in the beginning and 87.8MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1545.74ms. Allocated memory was 184.5MB in the beginning and 272.6MB in the end (delta: 88.1MB). Free memory was 87.4MB in the beginning and 199.9MB in the end (delta: -112.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 272.6MB. Free memory is still 199.9MB. 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 someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryArithmeticDOUBLEoperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_3 = -25; [L24] signed long int var_1_4 = -128; [L25] double var_1_6 = 2.75; [L26] double var_1_7 = 24.5; [L27] double var_1_8 = 199.5; [L28] float var_1_9 = 32.8; [L29] unsigned char var_1_10 = 1; [L30] float var_1_11 = 15.4; [L31] float var_1_12 = 0.0; [L32] unsigned long int var_1_13 = 2; [L33] float var_1_16 = 127.6; [L34] signed long int var_1_17 = 128; [L35] unsigned char var_1_19 = 10; [L36] unsigned char var_1_20 = 0; [L37] unsigned char var_1_21 = 64; [L38] double var_1_22 = 15.95; [L39] unsigned long int var_1_23 = 4127848294; [L117] isInitial = 1 [L118] FCALL initially() [L119] COND TRUE 1 [L120] FCALL updateLastVariables() [L121] CALL updateVariables() [L79] var_1_3 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L80] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L83] var_1_4 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L84] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L87] var_1_6 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L88] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L89] var_1_7 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_8=399/2, var_1_9=164/5] [L90] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_8=399/2, var_1_9=164/5] [L91] var_1_8 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L92] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L93] var_1_10 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L95] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L95] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L97] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L98] var_1_12 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L99] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L100] var_1_20 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L101] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L102] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L102] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L103] var_1_21 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L104] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L105] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L105] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L106] var_1_23 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L107] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L108] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L108] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_9=164/5] [L121] RET updateVariables() [L122] CALL step() [L43] COND TRUE var_1_12 <= (var_1_7 * 5.8f) [L44] var_1_16 = ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=164/5] [L48] COND TRUE var_1_10 || var_1_20 [L49] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=164/5] [L51] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=164/5] [L56] signed long int stepLocal_0 = (var_1_3 % var_1_4) * var_1_19; VAL [isInitial=1, stepLocal_0=-32, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=164/5] [L57] COND TRUE var_1_19 > stepLocal_0 [L58] var_1_1 = (var_1_6 - (var_1_7 + var_1_8)) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=164/5] [L62] COND TRUE ! var_1_10 [L63] var_1_13 = (50u + var_1_19) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=164/5] [L67] COND FALSE !(var_1_8 < (var_1_22 / var_1_12)) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=164/5] [L72] COND FALSE !(var_1_10 || (var_1_19 == var_1_13)) [L75] var_1_9 = ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=3] [L122] RET step() [L123] CALL, EXPR property() [L113] EXPR (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=3] [L113-L114] return (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=3] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=2, var_1_7=0, var_1_8=0, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 19, 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, 84 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 84 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-13 04:43:14,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.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 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 04:43:16,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 04:43:16,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-13 04:43:16,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 04:43:16,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 04:43:16,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 04:43:16,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 04:43:16,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 04:43:16,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 04:43:16,495 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 04:43:16,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 04:43:16,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 04:43:16,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 04:43:16,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 04:43:16,499 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 04:43:16,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 04:43:16,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 04:43:16,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 04:43:16,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 04:43:16,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 04:43:16,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 04:43:16,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 04:43:16,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 04:43:16,506 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 04:43:16,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 04:43:16,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 04:43:16,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 04:43:16,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 04:43:16,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 04:43:16,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 04:43:16,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 04:43:16,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 04:43:16,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 04:43:16,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 04:43:16,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:43:16,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 04:43:16,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 04:43:16,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 04:43:16,510 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 04:43:16,510 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 04:43:16,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 04:43:16,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 04:43:16,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 04:43:16,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 04:43:16,511 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 04:43:16,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e [2024-10-13 04:43:16,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 04:43:16,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 04:43:16,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 04:43:16,864 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 04:43:16,865 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 04:43:16,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2024-10-13 04:43:18,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 04:43:18,561 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 04:43:18,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2024-10-13 04:43:18,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d084314/faa56ff21ac440638ece4a4d1bd814ba/FLAG0a95552a7 [2024-10-13 04:43:18,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d084314/faa56ff21ac440638ece4a4d1bd814ba [2024-10-13 04:43:18,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 04:43:18,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 04:43:18,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 04:43:18,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 04:43:18,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 04:43:18,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:18,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4041c1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18, skipping insertion in model container [2024-10-13 04:43:18,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:18,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 04:43:18,814 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2024-10-13 04:43:18,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:43:18,898 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 04:43:18,910 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2024-10-13 04:43:18,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:43:18,981 INFO L204 MainTranslator]: Completed translation [2024-10-13 04:43:18,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18 WrapperNode [2024-10-13 04:43:18,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 04:43:18,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 04:43:18,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 04:43:18,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 04:43:18,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,041 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-10-13 04:43:19,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 04:43:19,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 04:43:19,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 04:43:19,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 04:43:19,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,082 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 04:43:19,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 04:43:19,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 04:43:19,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 04:43:19,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 04:43:19,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (1/1) ... [2024-10-13 04:43:19,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:43:19,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:43:19,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 04:43:19,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 04:43:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 04:43:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-13 04:43:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 04:43:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 04:43:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 04:43:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 04:43:19,284 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 04:43:19,286 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 04:43:42,612 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-13 04:43:42,615 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 04:43:42,664 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 04:43:42,665 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 04:43:42,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:43:42 BoogieIcfgContainer [2024-10-13 04:43:42,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 04:43:42,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 04:43:42,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 04:43:42,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 04:43:42,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:43:18" (1/3) ... [2024-10-13 04:43:42,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ae8665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:43:42, skipping insertion in model container [2024-10-13 04:43:42,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:43:18" (2/3) ... [2024-10-13 04:43:42,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ae8665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:43:42, skipping insertion in model container [2024-10-13 04:43:42,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:43:42" (3/3) ... [2024-10-13 04:43:42,674 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-62.i [2024-10-13 04:43:42,690 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 04:43:42,690 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 04:43:42,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 04:43:42,745 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;@43a871cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 04:43:42,745 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 04:43:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 04:43:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-13 04:43:42,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:43:42,758 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:43:42,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:43:42,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:43:42,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1670817739, now seen corresponding path program 1 times [2024-10-13 04:43:42,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 04:43:42,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362289595] [2024-10-13 04:43:42,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:43:42,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 04:43:42,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 04:43:42,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 04:43:42,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-13 04:43:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:43:45,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-13 04:43:45,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:44:36,208 WARN L286 SmtUtils]: Spent 6.10s 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)