./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_codestructure_normal_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.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 72b2e34e94e72399cddee181e25473194977354663c03fb6047043564ce603ed --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:28:27,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:28:27,608 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 02:28:27,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:28:27,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:28:27,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:28:27,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:28:27,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:28:27,661 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:28:27,661 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:28:27,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:28:27,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:28:27,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:28:27,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:28:27,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:28:27,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:28:27,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:28:27,668 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:28:27,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 02:28:27,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:28:27,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:28:27,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:28:27,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:28:27,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:28:27,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:28:27,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:28:27,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:28:27,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:28:27,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:28:27,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:28:27,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:28:27,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:28:27,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:28:27,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:28:27,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:28:27,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:28:27,675 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 02:28:27,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 02:28:27,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:28:27,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:28:27,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:28:27,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:28:27,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72b2e34e94e72399cddee181e25473194977354663c03fb6047043564ce603ed [2024-11-20 02:28:27,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:28:27,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:28:27,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:28:27,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:28:27,960 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:28:27,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i [2024-11-20 02:28:29,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:28:29,761 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:28:29,762 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i [2024-11-20 02:28:29,776 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/616b54081/618c7ea76964427f8c02bd00c044c729/FLAG6ba064c39 [2024-11-20 02:28:29,788 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/616b54081/618c7ea76964427f8c02bd00c044c729 [2024-11-20 02:28:29,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:28:29,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:28:29,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:28:29,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:28:29,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:28:29,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:29" (1/1) ... [2024-11-20 02:28:29,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44cfb098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:29, skipping insertion in model container [2024-11-20 02:28:29,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:29" (1/1) ... [2024-11-20 02:28:29,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:28:30,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i[913,926] [2024-11-20 02:28:30,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:28:30,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:28:30,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i[913,926] [2024-11-20 02:28:30,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:28:30,146 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:28:30,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30 WrapperNode [2024-11-20 02:28:30,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:28:30,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:28:30,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:28:30,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:28:30,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,207 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-11-20 02:28:30,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:28:30,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:28:30,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:28:30,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:28:30,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,223 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,243 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 02:28:30,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:28:30,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:28:30,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:28:30,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:28:30,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2024-11-20 02:28:30,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:28:30,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:28:30,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 02:28:30,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 02:28:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:28:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:28:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:28:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 02:28:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:28:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:28:30,451 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:28:30,453 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:28:30,805 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-20 02:28:30,805 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:28:30,826 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:28:30,826 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:28:30,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:30 BoogieIcfgContainer [2024-11-20 02:28:30,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:28:30,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:28:30,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:28:30,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:28:30,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:28:29" (1/3) ... [2024-11-20 02:28:30,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174bbb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:28:30, skipping insertion in model container [2024-11-20 02:28:30,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (2/3) ... [2024-11-20 02:28:30,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174bbb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:28:30, skipping insertion in model container [2024-11-20 02:28:30,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:30" (3/3) ... [2024-11-20 02:28:30,840 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-48.i [2024-11-20 02:28:30,859 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:28:30,860 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:28:30,924 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:28:30,930 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;@12c1fa74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:28:30,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:28:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:28:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-20 02:28:30,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:28:30,948 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:28:30,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:28:30,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:28:30,955 INFO L85 PathProgramCache]: Analyzing trace with hash 174201568, now seen corresponding path program 1 times [2024-11-20 02:28:30,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:28:30,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628074048] [2024-11-20 02:28:30,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:28:30,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:28:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:28:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:28:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:28:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 02:28:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 02:28:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 02:28:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 02:28:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 02:28:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 02:28:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 02:28:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 02:28:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 02:28:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 02:28:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 02:28:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 02:28:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 02:28:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 02:28:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 02:28:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 02:28:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 02:28:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 02:28:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 02:28:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 02:28:31,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:28:31,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628074048] [2024-11-20 02:28:31,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628074048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:28:31,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:28:31,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:28:31,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684145754] [2024-11-20 02:28:31,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:28:31,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 02:28:31,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:28:31,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 02:28:31,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:28:31,505 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 02:28:31,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:28:31,537 INFO L93 Difference]: Finished difference Result 124 states and 218 transitions. [2024-11-20 02:28:31,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 02:28:31,539 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2024-11-20 02:28:31,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:28:31,547 INFO L225 Difference]: With dead ends: 124 [2024-11-20 02:28:31,547 INFO L226 Difference]: Without dead ends: 61 [2024-11-20 02:28:31,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:28:31,558 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:28:31,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:28:31,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-20 02:28:31,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-20 02:28:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:28:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 92 transitions. [2024-11-20 02:28:31,610 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 92 transitions. Word has length 138 [2024-11-20 02:28:31,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:28:31,610 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 92 transitions. [2024-11-20 02:28:31,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 02:28:31,611 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2024-11-20 02:28:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-20 02:28:31,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:28:31,615 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:28:31,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 02:28:31,616 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:28:31,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:28:31,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1684230040, now seen corresponding path program 1 times [2024-11-20 02:28:31,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:28:31,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705804817] [2024-11-20 02:28:31,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:28:31,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:28:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:28:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:28:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:28:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 02:28:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 02:28:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 02:28:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 02:28:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 02:28:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 02:28:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 02:28:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 02:28:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 02:28:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 02:28:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 02:28:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 02:28:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 02:28:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 02:28:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 02:28:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 02:28:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 02:28:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 02:28:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 02:28:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 02:28:32,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:28:32,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705804817] [2024-11-20 02:28:32,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705804817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:28:32,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:28:32,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:28:32,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092825390] [2024-11-20 02:28:32,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:28:32,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:28:32,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:28:32,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:28:32,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:28:32,405 INFO L87 Difference]: Start difference. First operand 61 states and 92 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 02:28:32,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:28:32,538 INFO L93 Difference]: Finished difference Result 177 states and 270 transitions. [2024-11-20 02:28:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 02:28:32,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 138 [2024-11-20 02:28:32,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:28:32,542 INFO L225 Difference]: With dead ends: 177 [2024-11-20 02:28:32,543 INFO L226 Difference]: Without dead ends: 119 [2024-11-20 02:28:32,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:28:32,545 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 86 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:28:32,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 162 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:28:32,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-20 02:28:32,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2024-11-20 02:28:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.3) internal successors, (91), 70 states have internal predecessors, (91), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:28:32,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2024-11-20 02:28:32,573 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 138 [2024-11-20 02:28:32,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:28:32,574 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2024-11-20 02:28:32,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 02:28:32,575 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2024-11-20 02:28:32,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-20 02:28:32,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:28:32,577 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:28:32,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 02:28:32,578 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:28:32,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:28:32,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1741488342, now seen corresponding path program 1 times [2024-11-20 02:28:32,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:28:32,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443991177] [2024-11-20 02:28:32,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:28:32,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:28:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:28:32,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 02:28:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:28:32,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 02:28:32,888 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 02:28:32,889 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 02:28:32,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 02:28:32,894 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-20 02:28:33,001 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 02:28:33,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:28:33 BoogieIcfgContainer [2024-11-20 02:28:33,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 02:28:33,008 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 02:28:33,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 02:28:33,009 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 02:28:33,010 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:30" (3/4) ... [2024-11-20 02:28:33,012 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 02:28:33,013 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 02:28:33,014 INFO L158 Benchmark]: Toolchain (without parser) took 3221.94ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 110.5MB in the beginning and 107.5MB in the end (delta: 3.0MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-11-20 02:28:33,014 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:28:33,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.25ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 94.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 02:28:33,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.32ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 90.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 02:28:33,015 INFO L158 Benchmark]: Boogie Preprocessor took 55.44ms. Allocated memory is still 167.8MB. Free memory was 90.7MB in the beginning and 85.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 02:28:33,016 INFO L158 Benchmark]: RCFGBuilder took 562.67ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 85.3MB in the beginning and 191.8MB in the end (delta: -106.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-20 02:28:33,016 INFO L158 Benchmark]: TraceAbstraction took 2178.62ms. Allocated memory is still 224.4MB. Free memory was 190.8MB in the beginning and 107.5MB in the end (delta: 83.3MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2024-11-20 02:28:33,016 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 224.4MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:28:33,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.25ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 94.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.32ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 90.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.44ms. Allocated memory is still 167.8MB. Free memory was 90.7MB in the beginning and 85.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 562.67ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 85.3MB in the beginning and 191.8MB in the end (delta: -106.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2178.62ms. Allocated memory is still 224.4MB. Free memory was 190.8MB in the beginning and 107.5MB in the end (delta: 83.3MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 224.4MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 135. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] signed long int var_1_19 = 128; VAL [isInitial=0, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L96] var_1_2 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L97] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L98] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L98] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L99] var_1_3 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L100] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L101] var_1_4 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L102] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L103] var_1_5 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L104] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L105] var_1_6 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=1, var_1_8=5, var_1_9=307/20] [L106] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=1, var_1_8=5, var_1_9=307/20] [L107] var_1_7 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_8=5, var_1_9=307/20] [L108] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_8=5, var_1_9=307/20] [L109] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5, var_1_9=307/20] [L109] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5, var_1_9=307/20] [L110] var_1_9 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L111] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L112] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L112] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L113] var_1_10 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L114] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L115] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L115] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L116] var_1_11 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L117] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L118] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L118] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L119] var_1_15 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L120] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L121] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L121] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L122] var_1_16 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L123] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L124] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L124] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L125] var_1_17 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L126] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L127] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L127] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L128] var_1_19 = __VERIFIER_nondet_long() [L129] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L129] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L130] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L130] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L143] RET updateVariables() [L144] CALL step() [L44] COND FALSE !(\read(var_1_2)) [L51] var_1_1 = 1 VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=5] [L53] COND TRUE var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9)))) [L54] var_1_8 = ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=0] [L62] COND FALSE !(\read(var_1_2)) [L71] var_1_12 = var_1_8 VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=0] [L73] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=0] [L76] COND FALSE !(var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_13)) ? ((var_1_15 - var_1_16)) : (var_1_13)))) [L79] var_1_14 = var_1_17 VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=0] [L81] COND TRUE var_1_7 == var_1_12 [L82] var_1_18 = (var_1_10 + ((((var_1_8) < (var_1_16)) ? (var_1_8) : (var_1_16)))) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=0] [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (var_1_1 + var_1_10)))) : (var_1_12 == ((signed long int) var_1_1))) : 1) : (var_1_12 == ((signed long int) var_1_8)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_13)) ? ((var_1_15 - var_1_16)) : (var_1_13)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_7 == var_1_12) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_8) < (var_1_16)) ? (var_1_8) : (var_1_16)))))) : ((var_1_14 != var_1_16) ? ((-256 >= var_1_19) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=254, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=0] [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=254, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=127, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 254 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 182 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1848/1848 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 02:28:33,044 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_codestructure_normal_file-48.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 72b2e34e94e72399cddee181e25473194977354663c03fb6047043564ce603ed --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:28:35,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:28:35,494 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 02:28:35,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:28:35,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:28:35,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:28:35,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:28:35,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:28:35,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:28:35,531 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:28:35,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:28:35,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:28:35,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:28:35,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:28:35,536 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:28:35,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:28:35,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:28:35,537 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:28:35,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:28:35,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:28:35,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:28:35,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:28:35,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:28:35,542 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 02:28:35,542 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 02:28:35,542 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:28:35,543 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 02:28:35,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:28:35,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:28:35,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:28:35,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:28:35,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:28:35,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:28:35,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:28:35,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:28:35,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:28:35,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:28:35,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:28:35,547 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 02:28:35,547 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 02:28:35,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:28:35,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:28:35,548 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:28:35,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:28:35,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72b2e34e94e72399cddee181e25473194977354663c03fb6047043564ce603ed [2024-11-20 02:28:35,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:28:35,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:28:35,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:28:35,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:28:35,924 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:28:35,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i [2024-11-20 02:28:37,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:28:37,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:28:37,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i [2024-11-20 02:28:37,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb62fda71/db2f4ec8ef684da3891587543bdd5c91/FLAG8615c1649 [2024-11-20 02:28:38,155 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb62fda71/db2f4ec8ef684da3891587543bdd5c91 [2024-11-20 02:28:38,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:28:38,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:28:38,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:28:38,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:28:38,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:28:38,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b528d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38, skipping insertion in model container [2024-11-20 02:28:38,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:28:38,387 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i[913,926] [2024-11-20 02:28:38,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:28:38,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:28:38,499 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-48.i[913,926] [2024-11-20 02:28:38,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:28:38,563 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:28:38,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38 WrapperNode [2024-11-20 02:28:38,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:28:38,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:28:38,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:28:38,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:28:38,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,627 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-20 02:28:38,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:28:38,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:28:38,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:28:38,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:28:38,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,668 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 02:28:38,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:28:38,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:28:38,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:28:38,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:28:38,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (1/1) ... [2024-11-20 02:28:38,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:28:38,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:28:38,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 02:28:38,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 02:28:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:28:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 02:28:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:28:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:28:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:28:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:28:38,859 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:28:38,861 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:28:54,856 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-20 02:28:54,856 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:28:54,870 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:28:54,870 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:28:54,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:54 BoogieIcfgContainer [2024-11-20 02:28:54,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:28:54,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:28:54,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:28:54,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:28:54,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:28:38" (1/3) ... [2024-11-20 02:28:54,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383c0ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:28:54, skipping insertion in model container [2024-11-20 02:28:54,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:38" (2/3) ... [2024-11-20 02:28:54,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383c0ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:28:54, skipping insertion in model container [2024-11-20 02:28:54,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:54" (3/3) ... [2024-11-20 02:28:54,880 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-48.i [2024-11-20 02:28:54,897 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:28:54,897 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:28:54,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:28:54,977 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;@c82c26d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:28:54,978 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:28:54,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:28:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-20 02:28:54,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:28:54,993 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:28:54,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:28:54,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:28:54,998 INFO L85 PathProgramCache]: Analyzing trace with hash 174201568, now seen corresponding path program 1 times [2024-11-20 02:28:55,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:28:55,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1872129299] [2024-11-20 02:28:55,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:28:55,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:28:55,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:28:55,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:28:55,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 02:28:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:56,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 02:28:56,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:28:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-20 02:28:56,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 02:28:56,567 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:28:56,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1872129299] [2024-11-20 02:28:56,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1872129299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:28:56,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:28:56,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:28:56,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488708989] [2024-11-20 02:28:56,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:28:56,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 02:28:56,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 02:28:56,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 02:28:56,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:28:56,606 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 02:28:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:28:56,636 INFO L93 Difference]: Finished difference Result 124 states and 218 transitions. [2024-11-20 02:28:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 02:28:56,640 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2024-11-20 02:28:56,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:28:56,648 INFO L225 Difference]: With dead ends: 124 [2024-11-20 02:28:56,650 INFO L226 Difference]: Without dead ends: 61 [2024-11-20 02:28:56,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:28:56,656 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:28:56,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:28:56,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-20 02:28:56,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-20 02:28:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:28:56,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 92 transitions. [2024-11-20 02:28:56,695 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 92 transitions. Word has length 138 [2024-11-20 02:28:56,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:28:56,696 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 92 transitions. [2024-11-20 02:28:56,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 02:28:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2024-11-20 02:28:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-20 02:28:56,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:28:56,699 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:28:56,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-20 02:28:56,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:28:56,900 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:28:56,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:28:56,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1684230040, now seen corresponding path program 1 times [2024-11-20 02:28:56,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:28:56,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042586180] [2024-11-20 02:28:56,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:28:56,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:28:56,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:28:56,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:28:56,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 02:28:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:28:58,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 02:28:58,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:29:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 02:29:03,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 02:29:03,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:29:03,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042586180] [2024-11-20 02:29:03,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042586180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:29:03,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:29:03,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:29:03,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090476240] [2024-11-20 02:29:03,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:29:03,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 02:29:03,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 02:29:03,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 02:29:03,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:29:03,280 INFO L87 Difference]: Start difference. First operand 61 states and 92 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 02:29:07,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 02:29:11,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 02:29:11,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:29:11,808 INFO L93 Difference]: Finished difference Result 177 states and 270 transitions. [2024-11-20 02:29:11,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 02:29:11,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2024-11-20 02:29:11,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:29:11,973 INFO L225 Difference]: With dead ends: 177 [2024-11-20 02:29:11,973 INFO L226 Difference]: Without dead ends: 119 [2024-11-20 02:29:11,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:29:11,975 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 21 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-20 02:29:11,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 176 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2024-11-20 02:29:11,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-20 02:29:11,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2024-11-20 02:29:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.3) internal successors, (91), 70 states have internal predecessors, (91), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:29:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2024-11-20 02:29:12,003 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 138 [2024-11-20 02:29:12,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:29:12,003 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2024-11-20 02:29:12,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 02:29:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2024-11-20 02:29:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-20 02:29:12,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:29:12,006 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:29:12,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-20 02:29:12,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:29:12,207 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:29:12,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:29:12,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1741488342, now seen corresponding path program 1 times [2024-11-20 02:29:12,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:29:12,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889752633] [2024-11-20 02:29:12,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:29:12,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:29:12,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:29:12,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:29:12,213 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 (4)] Waiting until timeout for monitored process [2024-11-20 02:29:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:29:13,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 02:29:13,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:29:22,361 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 02:29:35,694 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 02:29:43,852 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 02:29:56,856 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 02:30:05,861 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)