./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_variablewrapping_normal_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_variablewrapping_normal_file-1.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 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:01:30,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:01:30,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 11:01:30,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:01:30,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:01:30,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:01:30,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:01:30,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:01:30,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:01:30,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:01:30,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:01:30,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:01:30,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:01:30,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:01:30,419 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:01:30,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:01:30,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:01:30,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:01:30,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 11:01:30,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:01:30,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:01:30,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:01:30,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:01:30,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:01:30,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:01:30,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:01:30,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:01:30,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:01:30,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:01:30,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:01:30,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:01:30,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:01:30,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:01:30,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:01:30,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:01:30,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:01:30,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 11:01:30,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 11:01:30,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:01:30,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:01:30,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:01:30,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:01:30,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 [2024-10-24 11:01:30,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:01:30,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:01:30,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:01:30,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:01:30,719 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:01:30,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2024-10-24 11:01:32,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:01:32,552 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:01:32,553 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2024-10-24 11:01:32,567 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f098bc2/f1cc93c6492d423397b2d7137ae99638/FLAGc6deb1ce1 [2024-10-24 11:01:32,585 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f098bc2/f1cc93c6492d423397b2d7137ae99638 [2024-10-24 11:01:32,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:01:32,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:01:32,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:01:32,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:01:32,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:01:32,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:32,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4acbe02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32, skipping insertion in model container [2024-10-24 11:01:32,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:32,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:01:32,832 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_variablewrapping_normal_file-1.i[912,925] [2024-10-24 11:01:32,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:01:32,896 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:01:32,906 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_variablewrapping_normal_file-1.i[912,925] [2024-10-24 11:01:32,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:01:32,948 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:01:32,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32 WrapperNode [2024-10-24 11:01:32,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:01:32,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:01:32,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:01:32,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:01:32,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:32,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:32,993 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-10-24 11:01:32,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:01:32,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:01:32,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:01:32,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:01:33,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,033 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]. [2024-10-24 11:01:33,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:01:33,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:01:33,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:01:33,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:01:33,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (1/1) ... [2024-10-24 11:01:33,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:01:33,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:01:33,098 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) [2024-10-24 11:01:33,100 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 [2024-10-24 11:01:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:01:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:01:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:01:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 11:01:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:01:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:01:33,216 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:01:33,218 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:01:33,524 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-24 11:01:33,526 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:01:33,570 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:01:33,570 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:01:33,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:33 BoogieIcfgContainer [2024-10-24 11:01:33,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:01:33,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:01:33,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:01:33,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:01:33,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:01:32" (1/3) ... [2024-10-24 11:01:33,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4375c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:33, skipping insertion in model container [2024-10-24 11:01:33,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:32" (2/3) ... [2024-10-24 11:01:33,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4375c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:33, skipping insertion in model container [2024-10-24 11:01:33,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:33" (3/3) ... [2024-10-24 11:01:33,587 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-1.i [2024-10-24 11:01:33,605 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:01:33,605 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:01:33,665 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:01:33,671 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;@4dc6f50a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:01:33,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:01:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 11:01:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 11:01:33,688 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:01:33,689 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:01:33,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:01:33,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:01:33,697 INFO L85 PathProgramCache]: Analyzing trace with hash 139227406, now seen corresponding path program 1 times [2024-10-24 11:01:33,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:01:33,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697779932] [2024-10-24 11:01:33,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:01:33,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:01:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:01:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:01:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:01:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:01:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 11:01:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 11:01:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 11:01:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 11:01:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 11:01:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:01:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 11:01:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 11:01:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 11:01:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:01:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 11:01:34,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:01:34,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697779932] [2024-10-24 11:01:34,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697779932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:01:34,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:01:34,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:01:34,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242039403] [2024-10-24 11:01:34,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:01:34,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:01:34,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:01:34,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:01:34,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:01:34,173 INFO L87 Difference]: Start difference. First operand has 51 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 11:01:34,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:01:34,212 INFO L93 Difference]: Finished difference Result 99 states and 164 transitions. [2024-10-24 11:01:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:01:34,217 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-10-24 11:01:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:01:34,226 INFO L225 Difference]: With dead ends: 99 [2024-10-24 11:01:34,226 INFO L226 Difference]: Without dead ends: 49 [2024-10-24 11:01:34,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:01:34,233 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:01:34,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:01:34,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-24 11:01:34,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-24 11:01:34,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 11:01:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2024-10-24 11:01:34,283 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 92 [2024-10-24 11:01:34,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:01:34,284 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2024-10-24 11:01:34,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 11:01:34,284 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2024-10-24 11:01:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 11:01:34,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:01:34,291 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:01:34,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 11:01:34,291 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:01:34,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:01:34,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1732684486, now seen corresponding path program 1 times [2024-10-24 11:01:34,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:01:34,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105629067] [2024-10-24 11:01:34,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:01:34,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:01:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 11:01:34,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 11:01:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 11:01:34,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 11:01:34,529 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 11:01:34,531 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 11:01:34,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 11:01:34,539 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 11:01:34,635 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 11:01:34,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:01:34 BoogieIcfgContainer [2024-10-24 11:01:34,641 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 11:01:34,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 11:01:34,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 11:01:34,643 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 11:01:34,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:33" (3/4) ... [2024-10-24 11:01:34,646 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 11:01:34,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 11:01:34,648 INFO L158 Benchmark]: Toolchain (without parser) took 2059.10ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 86.3MB in the beginning and 86.3MB in the end (delta: 54.5kB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-10-24 11:01:34,649 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 11:01:34,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.53ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 72.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 11:01:34,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.27ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 11:01:34,651 INFO L158 Benchmark]: Boogie Preprocessor took 59.06ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 67.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 11:01:34,651 INFO L158 Benchmark]: RCFGBuilder took 516.56ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 67.1MB in the beginning and 138.7MB in the end (delta: -71.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-10-24 11:01:34,656 INFO L158 Benchmark]: TraceAbstraction took 1063.79ms. Allocated memory is still 176.2MB. Free memory was 137.7MB in the beginning and 86.3MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-10-24 11:01:34,656 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 176.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 11:01:34,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.53ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 72.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.27ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.06ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 67.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 516.56ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 67.1MB in the beginning and 138.7MB in the end (delta: -71.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1063.79ms. Allocated memory is still 176.2MB. Free memory was 137.7MB in the beginning and 86.3MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 176.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someUnaryFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 5.5; [L23] float var_1_2 = 10.375; [L24] float var_1_3 = 127.5; [L25] float var_1_4 = 256.2; [L26] unsigned char var_1_5 = 1; [L27] signed long int var_1_6 = 5; [L28] unsigned char var_1_7 = 1; [L29] signed long int var_1_10 = 32; [L30] signed long int var_1_11 = 2; [L31] unsigned long int var_1_12 = 16; [L32] unsigned char var_1_13 = 50; [L33] signed long int var_1_15 = 100000000; [L34] signed short int var_1_16 = 2; [L35] unsigned long int last_1_var_1_12 = 16; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_12 = var_1_12 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L71] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L72] var_1_3 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L73] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L74] var_1_4 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L75] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L76] var_1_5 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L78] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=1] [L78] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=1] [L79] var_1_7 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5] [L80] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5] [L81] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L81] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L84] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L84] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L85] var_1_11 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L87] CALL assume_abort_if_not(var_1_11 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L87] RET assume_abort_if_not(var_1_11 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L88] var_1_13 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L90] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L90] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L91] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L91] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=0, var_1_6=5, var_1_7=-255] [L105] RET updateVariables() [L106] CALL step() [L39] COND TRUE var_1_2 <= (- var_1_3) [L40] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=100000005, var_1_4=100000005, var_1_5=0, var_1_6=5, var_1_7=-255] [L48] var_1_16 = var_1_13 [L49] unsigned char stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_12=16, stepLocal_0=-255, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=0, var_1_6=5, var_1_7=-255] [L50] COND TRUE var_1_5 || stepLocal_0 [L51] var_1_6 = ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=0, var_1_6=1, var_1_7=-255] [L55] signed long int stepLocal_3 = var_1_11; [L56] signed long int stepLocal_2 = var_1_16 + var_1_11; VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=0, var_1_6=1, var_1_7=-255] [L57] EXPR var_1_11 << var_1_16 VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=0, var_1_6=1, var_1_7=-255] [L57] signed long int stepLocal_1 = var_1_11 << var_1_16; [L58] COND FALSE !(stepLocal_1 != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=0, var_1_6=1, var_1_7=-255] [L67] var_1_15 = var_1_16 [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=0, var_1_6=1, var_1_7=-255] [L97-L98] return (((((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1)) && (var_1_15 == ((signed long int) var_1_16))) && (var_1_16 == ((signed short int) var_1_13)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=0, var_1_6=1, var_1_7=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=0, var_1_6=1, var_1_7=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 14, 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, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 [2024-10-24 11:01:34,704 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_variablewrapping_normal_file-1.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 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:01:37,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:01:37,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 11:01:37,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:01:37,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:01:37,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:01:37,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:01:37,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:01:37,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:01:37,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:01:37,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:01:37,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:01:37,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:01:37,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:01:37,177 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:01:37,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:01:37,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:01:37,178 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:01:37,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:01:37,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:01:37,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:01:37,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:01:37,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:01:37,182 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 11:01:37,182 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 11:01:37,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:01:37,183 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 11:01:37,183 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:01:37,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:01:37,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:01:37,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:01:37,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:01:37,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:01:37,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:01:37,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:01:37,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:01:37,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:01:37,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:01:37,186 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 11:01:37,186 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 11:01:37,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:01:37,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:01:37,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:01:37,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:01:37,188 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 11:01:37,188 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 [2024-10-24 11:01:37,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:01:37,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:01:37,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:01:37,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:01:37,580 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:01:37,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2024-10-24 11:01:39,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:01:39,382 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:01:39,383 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2024-10-24 11:01:39,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d40486e34/e46bc9cee28f497fa583f7b3b1079cb3/FLAG63f49b82f [2024-10-24 11:01:39,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d40486e34/e46bc9cee28f497fa583f7b3b1079cb3 [2024-10-24 11:01:39,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:01:39,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:01:39,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:01:39,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:01:39,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:01:39,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:39" (1/1) ... [2024-10-24 11:01:39,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6773d3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:39, skipping insertion in model container [2024-10-24 11:01:39,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:39" (1/1) ... [2024-10-24 11:01:39,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:01:39,946 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_variablewrapping_normal_file-1.i[912,925] [2024-10-24 11:01:40,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:01:40,015 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:01:40,027 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_variablewrapping_normal_file-1.i[912,925] [2024-10-24 11:01:40,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:01:40,079 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:01:40,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40 WrapperNode [2024-10-24 11:01:40,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:01:40,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:01:40,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:01:40,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:01:40,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,118 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-10-24 11:01:40,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:01:40,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:01:40,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:01:40,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:01:40,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,138 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,161 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]. [2024-10-24 11:01:40,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:01:40,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:01:40,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:01:40,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:01:40,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (1/1) ... [2024-10-24 11:01:40,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:01:40,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:01:40,230 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) [2024-10-24 11:01:40,236 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 [2024-10-24 11:01:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:01:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 11:01:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:01:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:01:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:01:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:01:40,364 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:01:40,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:01:40,756 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-24 11:01:40,756 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:01:40,825 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:01:40,825 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:01:40,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:40 BoogieIcfgContainer [2024-10-24 11:01:40,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:01:40,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:01:40,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:01:40,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:01:40,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:01:39" (1/3) ... [2024-10-24 11:01:40,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d127094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:40, skipping insertion in model container [2024-10-24 11:01:40,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:40" (2/3) ... [2024-10-24 11:01:40,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d127094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:40, skipping insertion in model container [2024-10-24 11:01:40,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:40" (3/3) ... [2024-10-24 11:01:40,840 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-1.i [2024-10-24 11:01:40,859 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:01:40,860 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:01:40,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:01:40,945 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;@54055bb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:01:40,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:01:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 27 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 11:01:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 11:01:40,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:01:40,962 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:01:40,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:01:40,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:01:40,969 INFO L85 PathProgramCache]: Analyzing trace with hash -484585255, now seen corresponding path program 1 times [2024-10-24 11:01:40,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 11:01:40,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695152307] [2024-10-24 11:01:40,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:01:40,983 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 [2024-10-24 11:01:40,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 11:01:40,987 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) [2024-10-24 11:01:40,988 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 [2024-10-24 11:01:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:41,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 11:01:41,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 11:01:41,248 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-10-24 11:01:41,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 11:01:41,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 11:01:41,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695152307] [2024-10-24 11:01:41,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695152307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:01:41,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:01:41,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:01:41,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406171560] [2024-10-24 11:01:41,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:01:41,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:01:41,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 11:01:41,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:01:41,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:01:41,300 INFO L87 Difference]: Start difference. First operand has 43 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 27 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 11:01:41,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:01:41,374 INFO L93 Difference]: Finished difference Result 83 states and 142 transitions. [2024-10-24 11:01:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:01:41,382 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2024-10-24 11:01:41,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:01:41,391 INFO L225 Difference]: With dead ends: 83 [2024-10-24 11:01:41,391 INFO L226 Difference]: Without dead ends: 41 [2024-10-24 11:01:41,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:01:41,401 INFO L432 NwaCegarLoop]: 57 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, 57 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 [2024-10-24 11:01:41,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:01:41,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-24 11:01:41,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-24 11:01:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 11:01:41,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 60 transitions. [2024-10-24 11:01:41,452 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 60 transitions. Word has length 88 [2024-10-24 11:01:41,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:01:41,453 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 60 transitions. [2024-10-24 11:01:41,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 11:01:41,453 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-10-24 11:01:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 11:01:41,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:01:41,458 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:01:41,469 INFO L552 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)] Ended with exit code 0 [2024-10-24 11:01:41,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 11:01:41,663 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:01:41,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:01:41,664 INFO L85 PathProgramCache]: Analyzing trace with hash -605444463, now seen corresponding path program 1 times [2024-10-24 11:01:41,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 11:01:41,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098184360] [2024-10-24 11:01:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:01:41,664 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 [2024-10-24 11:01:41,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 11:01:41,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 11:01:41,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 11:01:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:01:41,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 11:01:41,827 INFO L278 TraceCheckSpWp]: Computing forward predicates...