./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_functionizing_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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_functionizing_file-0.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 e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:24:38,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:24:39,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 07:24:39,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:24:39,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:24:39,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:24:39,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:24:39,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:24:39,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:24:39,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:24:39,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:24:39,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:24:39,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:24:39,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:24:39,060 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:24:39,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:24:39,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:24:39,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 07:24:39,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 07:24:39,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 07:24:39,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:24:39,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:24:39,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:24:39,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:24:39,065 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:24:39,065 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 07:24:39,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:24:39,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:24:39,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:24:39,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:24:39,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:24:39,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:24:39,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:24:39,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:24:39,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:24:39,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:24:39,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 07:24:39,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 07:24:39,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:24:39,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:24:39,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:24:39,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:24:39,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f [2024-10-14 07:24:39,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:24:39,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:24:39,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:24:39,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:24:39,349 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:24:39,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2024-10-14 07:24:40,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:24:41,031 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:24:41,033 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2024-10-14 07:24:41,048 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fbd0e76/d04b55047e3144639399f923235bf9be/FLAGffa7be7a0 [2024-10-14 07:24:41,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fbd0e76/d04b55047e3144639399f923235bf9be [2024-10-14 07:24:41,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:24:41,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:24:41,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:24:41,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:24:41,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:24:41,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a928b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41, skipping insertion in model container [2024-10-14 07:24:41,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:24:41,578 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i[919,932] [2024-10-14 07:24:41,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:24:41,663 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:24:41,675 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i[919,932] [2024-10-14 07:24:41,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:24:41,740 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:24:41,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41 WrapperNode [2024-10-14 07:24:41,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:24:41,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:24:41,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:24:41,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:24:41,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,795 INFO L138 Inliner]: procedures = 33, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 171 [2024-10-14 07:24:41,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:24:41,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:24:41,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:24:41,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:24:41,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,821 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,841 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 07:24:41,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:24:41,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:24:41,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:24:41,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:24:41,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (1/1) ... [2024-10-14 07:24:41,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:24:41,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:24:41,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 07:24:41,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 07:24:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:24:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 07:24:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 07:24:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 07:24:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:24:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:24:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure functionized1 [2024-10-14 07:24:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized1 [2024-10-14 07:24:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure functionized0 [2024-10-14 07:24:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized0 [2024-10-14 07:24:42,046 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:24:42,048 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:24:42,384 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-14 07:24:42,385 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:24:42,442 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:24:42,442 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:24:42,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:24:42 BoogieIcfgContainer [2024-10-14 07:24:42,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:24:42,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:24:42,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:24:42,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:24:42,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:24:41" (1/3) ... [2024-10-14 07:24:42,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b55ccc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:24:42, skipping insertion in model container [2024-10-14 07:24:42,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:41" (2/3) ... [2024-10-14 07:24:42,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b55ccc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:24:42, skipping insertion in model container [2024-10-14 07:24:42,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:24:42" (3/3) ... [2024-10-14 07:24:42,454 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-0.i [2024-10-14 07:24:42,467 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:24:42,467 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:24:42,527 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:24:42,533 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;@5cda334a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:24:42,534 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:24:42,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 07:24:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 07:24:42,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:24:42,560 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:24:42,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:24:42,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:24:42,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1668924121, now seen corresponding path program 1 times [2024-10-14 07:24:42,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:24:42,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568123972] [2024-10-14 07:24:42,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:24:42,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:24:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:24:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:24:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:24:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:24:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:24:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:24:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:24:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:24:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:24:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:24:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:24:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 07:24:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:24:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 07:24:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 07:24:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 07:24:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 07:24:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:42,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 07:24:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:43,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 07:24:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:24:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-14 07:24:43,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:24:43,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568123972] [2024-10-14 07:24:43,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568123972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:24:43,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:24:43,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 07:24:43,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072557588] [2024-10-14 07:24:43,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:24:43,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 07:24:43,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:24:43,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 07:24:43,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:24:43,046 INFO L87 Difference]: Start difference. First operand has 72 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 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, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 07:24:43,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:24:43,104 INFO L93 Difference]: Finished difference Result 141 states and 226 transitions. [2024-10-14 07:24:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 07:24:43,108 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, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-10-14 07:24:43,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:24:43,115 INFO L225 Difference]: With dead ends: 141 [2024-10-14 07:24:43,115 INFO L226 Difference]: Without dead ends: 70 [2024-10-14 07:24:43,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:24:43,123 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:24:43,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:24:43,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-14 07:24:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-14 07:24:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 44 states have internal predecessors, (56), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 07:24:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 100 transitions. [2024-10-14 07:24:43,167 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 100 transitions. Word has length 124 [2024-10-14 07:24:43,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:24:43,167 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 100 transitions. [2024-10-14 07:24:43,168 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, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 07:24:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2024-10-14 07:24:43,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 07:24:43,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:24:43,175 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:24:43,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 07:24:43,176 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:24:43,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:24:43,177 INFO L85 PathProgramCache]: Analyzing trace with hash 665593123, now seen corresponding path program 1 times [2024-10-14 07:24:43,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:24:43,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025092617] [2024-10-14 07:24:43,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:24:43,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:24:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 07:24:43,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 07:24:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 07:24:43,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 07:24:43,652 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 07:24:43,654 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 07:24:43,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 07:24:43,660 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 07:24:43,750 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 07:24:43,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:24:43 BoogieIcfgContainer [2024-10-14 07:24:43,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 07:24:43,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 07:24:43,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 07:24:43,761 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 07:24:43,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:24:42" (3/4) ... [2024-10-14 07:24:43,763 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 07:24:43,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 07:24:43,765 INFO L158 Benchmark]: Toolchain (without parser) took 2397.58ms. Allocated memory is still 203.4MB. Free memory was 172.5MB in the beginning and 103.4MB in the end (delta: 69.1MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2024-10-14 07:24:43,765 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 134.2MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 07:24:43,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.24ms. Allocated memory is still 203.4MB. Free memory was 172.3MB in the beginning and 160.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-10-14 07:24:43,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.62ms. Allocated memory is still 203.4MB. Free memory was 160.6MB in the beginning and 157.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 07:24:43,767 INFO L158 Benchmark]: Boogie Preprocessor took 63.83ms. Allocated memory is still 203.4MB. Free memory was 157.3MB in the beginning and 153.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 07:24:43,768 INFO L158 Benchmark]: RCFGBuilder took 584.15ms. Allocated memory is still 203.4MB. Free memory was 153.1MB in the beginning and 126.7MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 07:24:43,771 INFO L158 Benchmark]: TraceAbstraction took 1311.57ms. Allocated memory is still 203.4MB. Free memory was 125.8MB in the beginning and 103.4MB in the end (delta: 22.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-10-14 07:24:43,771 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 203.4MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 07:24:43,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 134.2MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.24ms. Allocated memory is still 203.4MB. Free memory was 172.3MB in the beginning and 160.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.62ms. Allocated memory is still 203.4MB. Free memory was 160.6MB in the beginning and 157.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.83ms. Allocated memory is still 203.4MB. Free memory was 157.3MB in the beginning and 153.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 584.15ms. Allocated memory is still 203.4MB. Free memory was 153.1MB in the beginning and 126.7MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1311.57ms. Allocated memory is still 203.4MB. Free memory was 125.8MB in the beginning and 103.4MB in the end (delta: 22.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 203.4MB. Free memory is still 103.4MB. 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 141, overapproximation of someBinaryFLOATComparisonOperation at line 141. Possible FailurePath: [L28] unsigned char isInitial = 0; [L29] signed long int var_1_1 = 0; [L30] unsigned char var_1_2 = 0; [L31] unsigned char var_1_3 = 32; [L32] signed long int var_1_4 = -32; [L33] signed long int var_1_5 = 2; [L34] signed short int var_1_6 = -10; [L35] unsigned long int var_1_7 = 1; [L36] unsigned char var_1_8 = 0; [L37] unsigned long int var_1_9 = 3470417420; [L38] unsigned char var_1_10 = 0; [L39] double var_1_11 = 32.875; [L40] double var_1_12 = 25.6; [L41] double var_1_13 = 1.75; [L42] float var_1_14 = 5.4; [L43] float var_1_15 = 127.5; [L44] float var_1_16 = 3.5; [L45] signed long int var_1_17 = 64; [L46] unsigned char var_1_18 = 64; [L145] isInitial = 1 [L146] FCALL initially() [L147] COND TRUE 1 [L148] FCALL updateLastVariables() [L149] CALL updateVariables() [L108] var_1_2 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L109] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L110] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L110] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L111] var_1_3 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L112] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L113] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L113] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L114] var_1_4 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_4 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L115] RET assume_abort_if_not(var_1_4 >= -1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L116] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L116] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L117] var_1_9 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L118] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L119] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L119] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L120] var_1_10 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L121] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L122] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L122] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L123] var_1_11 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L124] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L125] var_1_12 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L126] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L127] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L127] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L128] var_1_13 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L129] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L130] var_1_15 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L131] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L132] var_1_16 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L133] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L134] var_1_18 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L135] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L136] CALL assume_abort_if_not(var_1_18 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L136] RET assume_abort_if_not(var_1_18 <= 255) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L149] RET updateVariables() [L150] CALL step() [L77] COND TRUE var_1_2 > (- var_1_3) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L78] CALL, EXPR functionized0(var_1_4) VAL [\old(functionized0_localFunctionVar0)=-36, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L48] return (var_1_2 + functionized0_localFunctionVar0); [L78] RET, EXPR functionized0(var_1_4) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L78] EXPR ((var_1_3) > (functionized0(var_1_4))) ? (var_1_3) : (functionized0(var_1_4)) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L78] var_1_1 = ((((var_1_3) > (functionized0(var_1_4))) ? (var_1_3) : (functionized0(var_1_4)))) [L82] CALL functionized2(var_1_4, var_1_3) [L54] COND TRUE functionized2_localFunctionVar1 < var_1_2 [L55] var_1_5 = ((var_1_2 - functionized2_localFunctionVar1) + functionized2_localFunctionVar0) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=-35, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L82] RET functionized2(var_1_4, var_1_3) [L83] CALL, EXPR functionized3(var_1_5) [L59] return (- functionized3_localFunctionVar0); [L83] RET, EXPR functionized3(var_1_5) [L83] COND TRUE var_1_2 < functionized3(var_1_5) [L84] CALL, EXPR functionized4(var_1_3) [L62] return (32 - functionized4_localFunctionVar0); [L84] RET, EXPR functionized4(var_1_3) [L84] var_1_6 = functionized4(var_1_3) [L86] COND FALSE !(var_1_1 > var_1_3) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=-35, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L91] CALL functionized5(var_1_11, var_1_2, var_1_13) [L65] COND TRUE (- 8u) >= (var_1_9 - functionized5_localFunctionVar1) [L66] var_1_8 = (! var_1_10) VAL [isInitial=1, var_1_10=1, var_1_11=3470417427, var_1_13=3470417425, var_1_14=27/5, var_1_17=64, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=-35, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L91] RET functionized5(var_1_11, var_1_2, var_1_13) [L92] COND FALSE !((var_1_12 * var_1_11) > var_1_13) [L99] var_1_14 = var_1_16 VAL [isInitial=1, var_1_10=1, var_1_11=3470417427, var_1_13=3470417425, var_1_14=3470417426, var_1_16=3470417426, var_1_17=64, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=-35, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L101] CALL, EXPR functionized6(var_1_13) [L72] return ((((functionized6_localFunctionVar0) < (var_1_16)) ? (functionized6_localFunctionVar0) : (var_1_16))); [L101] RET, EXPR functionized6(var_1_13) [L101] COND TRUE ((var_1_11 + var_1_14) / 9.2) < functionized6(var_1_13) [L102] var_1_17 = ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))) VAL [isInitial=1, var_1_10=1, var_1_11=3470417427, var_1_13=3470417425, var_1_14=3470417426, var_1_16=3470417426, var_1_17=34, var_1_18=4, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=-35, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L150] RET step() [L151] CALL, EXPR property() [L141-L142] return (((((((var_1_2 > (- var_1_3)) ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_2 + var_1_4))) ? (var_1_3) : ((var_1_2 + var_1_4)))))) : (var_1_1 == ((signed long int) (((((1 - var_1_2)) < (16)) ? ((1 - var_1_2)) : (16)))))) && ((var_1_3 < var_1_2) ? (var_1_5 == ((signed long int) ((var_1_2 - var_1_3) + var_1_4))) : 1)) && ((var_1_2 < (- var_1_5)) ? (var_1_6 == ((signed short int) (32 - var_1_3))) : 1)) && ((var_1_1 > var_1_3) ? ((var_1_4 <= var_1_6) ? (var_1_7 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_2)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_11 / var_1_12) >= var_1_13) || var_1_10))))) && (((var_1_12 * var_1_11) > var_1_13) ? ((var_1_9 < var_1_5) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((var_1_11 + var_1_14) / 9.2) < ((((var_1_13) < (var_1_16)) ? (var_1_13) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))))) : (var_1_17 == ((signed long int) var_1_4))) ; [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=3470417427, var_1_13=3470417425, var_1_14=3470417426, var_1_16=3470417426, var_1_17=34, var_1_18=4, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=-35, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-143881404417] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=3470417427, var_1_13=3470417425, var_1_14=3470417426, var_1_16=3470417426, var_1_17=34, var_1_18=4, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-36, var_1_5=-35, var_1_6=-1, var_1_7=1, var_1_8=0, var_1_9=-143881404417] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 92 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 612/612 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 07:24:43,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.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 e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:24:46,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:24:46,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 07:24:46,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:24:46,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:24:46,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:24:46,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:24:46,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:24:46,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:24:46,157 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:24:46,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:24:46,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:24:46,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:24:46,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:24:46,160 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:24:46,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:24:46,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:24:46,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 07:24:46,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 07:24:46,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:24:46,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:24:46,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:24:46,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:24:46,167 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 07:24:46,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 07:24:46,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:24:46,168 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 07:24:46,168 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 07:24:46,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:24:46,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:24:46,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:24:46,169 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:24:46,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:24:46,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:24:46,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:24:46,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:24:46,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:24:46,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:24:46,174 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 07:24:46,174 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 07:24:46,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:24:46,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:24:46,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:24:46,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:24:46,175 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 07:24:46,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7999cbc02495ec6922b91474a62a692fbfb55ed13055ddc827dcb10c95c728f [2024-10-14 07:24:46,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:24:46,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:24:46,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:24:46,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:24:46,539 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:24:46,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2024-10-14 07:24:48,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:24:48,270 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:24:48,271 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i [2024-10-14 07:24:48,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8882781e/1313462935ad4b248cca371ec8252ff4/FLAGd2bd9dbfe [2024-10-14 07:24:48,297 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8882781e/1313462935ad4b248cca371ec8252ff4 [2024-10-14 07:24:48,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:24:48,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:24:48,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:24:48,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:24:48,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:24:48,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fc2168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48, skipping insertion in model container [2024-10-14 07:24:48,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:24:48,527 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i[919,932] [2024-10-14 07:24:48,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:24:48,626 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:24:48,639 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-0.i[919,932] [2024-10-14 07:24:48,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:24:48,704 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:24:48,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48 WrapperNode [2024-10-14 07:24:48,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:24:48,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:24:48,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:24:48,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:24:48,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,768 INFO L138 Inliner]: procedures = 34, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 164 [2024-10-14 07:24:48,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:24:48,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:24:48,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:24:48,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:24:48,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,819 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 07:24:48,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:24:48,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:24:48,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:24:48,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:24:48,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (1/1) ... [2024-10-14 07:24:48,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:24:48,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:24:48,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 07:24:48,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 07:24:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:24:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 07:24:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 07:24:48,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 07:24:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:24:48,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:24:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure functionized1 [2024-10-14 07:24:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized1 [2024-10-14 07:24:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure functionized0 [2024-10-14 07:24:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure functionized0 [2024-10-14 07:24:49,044 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:24:49,047 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:25:11,525 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-10-14 07:25:11,526 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:25:11,600 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:25:11,601 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:25:11,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:25:11 BoogieIcfgContainer [2024-10-14 07:25:11,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:25:11,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:25:11,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:25:11,612 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:25:11,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:24:48" (1/3) ... [2024-10-14 07:25:11,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469831b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:25:11, skipping insertion in model container [2024-10-14 07:25:11,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:48" (2/3) ... [2024-10-14 07:25:11,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469831b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:25:11, skipping insertion in model container [2024-10-14 07:25:11,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:25:11" (3/3) ... [2024-10-14 07:25:11,617 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-0.i [2024-10-14 07:25:11,635 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:25:11,635 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:25:11,716 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:25:11,723 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;@492fd25e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:25:11,724 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:25:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 07:25:11,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-14 07:25:11,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:25:11,743 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:25:11,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:25:11,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:25:11,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1915646159, now seen corresponding path program 1 times [2024-10-14 07:25:11,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 07:25:11,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611486841] [2024-10-14 07:25:11,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:25:11,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 07:25:11,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 07:25:11,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 07:25:11,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 07:25:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:25:13,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 07:25:13,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 07:25:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-10-14 07:25:13,374 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 07:25:13,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 07:25:13,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611486841] [2024-10-14 07:25:13,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1611486841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:25:13,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:25:13,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 07:25:13,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248533552] [2024-10-14 07:25:13,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:25:13,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 07:25:13,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 07:25:13,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 07:25:13,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:25:13,409 INFO L87 Difference]: Start difference. First operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 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 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 07:25:18,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 07:25:18,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:25:18,149 INFO L93 Difference]: Finished difference Result 137 states and 222 transitions. [2024-10-14 07:25:18,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 07:25:18,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 123 [2024-10-14 07:25:18,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:25:18,363 INFO L225 Difference]: With dead ends: 137 [2024-10-14 07:25:18,363 INFO L226 Difference]: Without dead ends: 68 [2024-10-14 07:25:18,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:25:18,373 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-14 07:25:18,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-10-14 07:25:18,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-14 07:25:18,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-10-14 07:25:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 07:25:18,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 98 transitions. [2024-10-14 07:25:18,435 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 98 transitions. Word has length 123 [2024-10-14 07:25:18,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:25:18,444 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 98 transitions. [2024-10-14 07:25:18,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 07:25:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions. [2024-10-14 07:25:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-14 07:25:18,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:25:18,451 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:25:18,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 07:25:18,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 07:25:18,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:25:18,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:25:18,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1701791819, now seen corresponding path program 1 times [2024-10-14 07:25:18,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 07:25:18,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344208543] [2024-10-14 07:25:18,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:25:18,655 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 07:25:18,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 07:25:18,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 07:25:18,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 07:25:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:25:23,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-14 07:25:23,343 INFO L278 TraceCheckSpWp]: Computing forward predicates...