/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain EqDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-regression/ex3_forlist.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 15:45:35,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 15:45:35,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 15:45:35,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 15:45:35,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 15:45:35,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 15:45:35,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 15:45:35,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 15:45:35,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 15:45:35,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 15:45:35,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 15:45:35,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 15:45:35,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 15:45:35,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 15:45:35,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 15:45:35,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 15:45:35,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 15:45:35,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 15:45:35,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 15:45:35,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 15:45:35,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 15:45:35,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 15:45:35,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 15:45:35,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 15:45:35,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 15:45:35,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 15:45:35,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 15:45:35,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 15:45:35,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 15:45:35,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 15:45:35,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 15:45:35,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 15:45:35,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 15:45:35,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 15:45:35,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 15:45:35,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 15:45:35,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 15:45:35,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 15:45:35,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 15:45:35,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 15:45:35,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 15:45:35,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-29 15:45:35,977 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 15:45:35,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 15:45:35,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 15:45:35,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 15:45:35,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 15:45:35,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 15:45:35,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 15:45:35,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 15:45:35,980 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 15:45:35,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 15:45:35,980 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-29 15:45:35,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 15:45:35,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-29 15:45:35,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 15:45:35,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 15:45:35,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 15:45:35,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 15:45:35,981 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-29 15:45:35,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 15:45:35,981 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 15:45:35,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 15:45:35,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 15:45:35,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 15:45:35,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 15:45:35,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:45:35,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 15:45:35,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 15:45:35,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 15:45:35,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 15:45:35,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 15:45:35,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 15:45:35,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 15:45:35,983 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 15:45:35,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 15:45:35,984 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 15:45:35,984 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 15:45:36,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 15:45:36,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 15:45:36,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 15:45:36,251 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 15:45:36,251 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 15:45:36,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/ex3_forlist.i [2023-03-29 15:45:37,393 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 15:45:37,585 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 15:45:37,585 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/ex3_forlist.i [2023-03-29 15:45:37,591 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6136d8d6a/ea5ea0849e4143b59ac163d1c840046e/FLAG5153314fe [2023-03-29 15:45:37,606 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6136d8d6a/ea5ea0849e4143b59ac163d1c840046e [2023-03-29 15:45:37,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 15:45:37,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 15:45:37,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 15:45:37,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 15:45:37,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 15:45:37,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9905f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37, skipping insertion in model container [2023-03-29 15:45:37,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 15:45:37,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 15:45:37,763 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/ex3_forlist.i[293,306] [2023-03-29 15:45:37,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:45:37,809 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 15:45:37,817 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/ex3_forlist.i[293,306] [2023-03-29 15:45:37,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:45:37,842 INFO L208 MainTranslator]: Completed translation [2023-03-29 15:45:37,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37 WrapperNode [2023-03-29 15:45:37,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 15:45:37,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 15:45:37,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 15:45:37,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 15:45:37,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 15:45:37,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 15:45:37,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 15:45:37,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 15:45:37,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:45:37" (1/1) ... [2023-03-29 15:45:37,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:45:37,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 15:45:37,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-29 15:45:37,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-29 15:45:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 15:45:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 15:45:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 15:45:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2023-03-29 15:45:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-03-29 15:45:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-03-29 15:45:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-03-29 15:45:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure fake_malloc [2023-03-29 15:45:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 15:45:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 15:45:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 15:45:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 15:45:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 15:45:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2023-03-29 15:45:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-03-29 15:45:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-29 15:45:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 15:45:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-03-29 15:45:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-29 15:45:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-03-29 15:45:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 15:45:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure fake_malloc [2023-03-29 15:45:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 15:45:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 15:45:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 15:45:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-29 15:45:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 15:45:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 15:45:38,069 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 15:45:38,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 15:45:38,279 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 15:45:38,286 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 15:45:38,286 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-03-29 15:45:38,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:45:38 BoogieIcfgContainer [2023-03-29 15:45:38,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 15:45:38,289 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 15:45:38,289 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 15:45:38,289 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 15:45:38,290 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:45:38" (1/1) ... [2023-03-29 15:45:38,290 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-29 15:45:38,332 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 15:45:38,333 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 15:45:38,337 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-29 15:45:38,343 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-29 15:45:38,344 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-29 15:45:38,695 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 82 for LOIs [2023-03-29 15:45:42,876 INFO L197 IcfgInterpreter]: Interpreting procedure g with input of size 73 for LOIs [2023-03-29 15:45:43,327 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2023-03-29 15:45:43,467 INFO L197 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 77 for LOIs [2023-03-29 15:45:43,489 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-29 15:45:43,504 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-29 15:45:43,504 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-29 15:45:43,505 INFO L158 Benchmark]: Toolchain (without parser) took 5894.22ms. Allocated memory was 224.4MB in the beginning and 406.8MB in the end (delta: 182.5MB). Free memory was 171.5MB in the beginning and 361.8MB in the end (delta: -190.3MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 15:45:43,505 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 15:45:43,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.13ms. Allocated memory is still 224.4MB. Free memory was 171.5MB in the beginning and 161.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-29 15:45:43,507 INFO L158 Benchmark]: Boogie Preprocessor took 46.90ms. Allocated memory is still 224.4MB. Free memory was 161.0MB in the beginning and 158.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-29 15:45:43,511 INFO L158 Benchmark]: RCFGBuilder took 396.66ms. Allocated memory is still 224.4MB. Free memory was 158.9MB in the beginning and 144.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-03-29 15:45:43,512 INFO L158 Benchmark]: Sifa took 5215.13ms. Allocated memory was 224.4MB in the beginning and 406.8MB in the end (delta: 182.5MB). Free memory was 144.3MB in the beginning and 361.8MB in the end (delta: -217.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 15:45:43,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 230.13ms. Allocated memory is still 224.4MB. Free memory was 171.5MB in the beginning and 161.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.90ms. Allocated memory is still 224.4MB. Free memory was 161.0MB in the beginning and 158.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 396.66ms. Allocated memory is still 224.4MB. Free memory was 158.9MB in the beginning and 144.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Sifa took 5215.13ms. Allocated memory was 224.4MB in the beginning and 406.8MB in the end (delta: 182.5MB). Free memory was 144.3MB in the beginning and 361.8MB in the end (delta: -217.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 5.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 24, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 109, TOOLS_POST_TIME: 2.9s, TOOLS_POST_CALL_APPLICATIONS: 17, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 13, TOOLS_POST_RETURN_TIME: 0.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 134, TOOLS_QUANTIFIERELIM_TIME: 4.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 170, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 28, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME: 0.1s, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 25, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 24, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 1.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 13, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 3.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 185, DAG_COMPRESSION_RETAINED_NODES: 93 - UnprovableResult [Line: 8]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 176#(or (and (= (select (select |#memory_$Pointer$.offset| |~#pp~0.base|) 0) 1) (= 1 (select |#valid| 5)) (= (select (select |#memory_$Pointer$.base| |~#pp~0.base|) 0) 0) (= |~#pstate~0.offset| 0) (not (= |#valid| (select |#memory_$Pointer$.offset| |~#pp~0.base|))) (= (select |#valid| 3) 1) (not (= (select |#memory_$Pointer$.base| |~#pp~0.base|) (select |#memory_$Pointer$.offset| |~#pp~0.base|))) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (not (= |#memory_$Pointer$.offset| |#memory_$Pointer$.base|)) (= (select |#valid| 0) 0) (= |~#pp~0.offset| 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| |~#pstate~0.base|) 0) 1)) (= |#NULL.base| 0)) (and (= 2 (select |#length| 1)) (exists ((v_g_~i~2_BEFORE_CALL_7 Int)) (and (not (= (select (select |#memory_int| |~#pstate~0.base|) (+ |~#pstate~0.offset| (* v_g_~i~2_BEFORE_CALL_7 4))) 1)) (not (= v_g_~i~2_BEFORE_CALL_7 2)))) (= 2 (select (select |#memory_$Pointer$.offset| |~#pp~0.base|) |~#pp~0.offset|))) (not (= (select (select |#memory_int| |~#pstate~0.base|) |~#pstate~0.offset|) 1)) (and (= (select (select |#memory_$Pointer$.base| |~#pp~0.base|) 0) 0) (= |~#pstate~0.offset| 0) (= (select |#valid| 0) 0) (= |~#pp~0.offset| 0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| |~#pstate~0.base|) 0) 1)) (= |#NULL.base| 0)) (and (= (select (select |#memory_$Pointer$.base| |~#pp~0.base|) 0) 0) (= 2 (select (select |#memory_$Pointer$.offset| |~#pp~0.base|) 0)) (= |~#pstate~0.offset| 0) (not (= |#valid| (select |#memory_$Pointer$.offset| |~#pp~0.base|))) (= 2 (select |#length| 1)) (not (= (select |#memory_$Pointer$.base| |~#pp~0.base|) (select |#memory_$Pointer$.offset| |~#pp~0.base|))) (not (= |#memory_$Pointer$.offset| |#memory_$Pointer$.base|)) (= (select |#valid| 0) 0) (= |~#pp~0.offset| 0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| |~#pstate~0.base|) 0) 1)) (= |#NULL.base| 0)) (and (= (select (select |#memory_$Pointer$.offset| |~#pp~0.base|) 0) 1) (= 1 (select |#valid| 5)) (= (select (select |#memory_$Pointer$.base| |~#pp~0.base|) 0) 0) (= |~#pstate~0.offset| 0) (not (= |#valid| (select |#memory_$Pointer$.offset| |~#pp~0.base|))) (= (select |#valid| 3) 1) (not (= (select |#memory_int| |~#pstate~0.base|) (select |#memory_$Pointer$.offset| |~#pp~0.base|))) (not (= (select |#memory_$Pointer$.base| |~#pp~0.base|) (select |#memory_$Pointer$.offset| |~#pp~0.base|))) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (not (= |#memory_$Pointer$.offset| |#memory_$Pointer$.base|)) (= (select |#valid| 0) 0) (= |~#pp~0.offset| 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| |~#pstate~0.base|) 0) 1)) (= |#NULL.base| 0)) (exists ((v_g_~i~2_BEFORE_CALL_7 Int)) (and (not (= (select (select |#memory_int| |~#pstate~0.base|) (+ |~#pstate~0.offset| (* v_g_~i~2_BEFORE_CALL_7 4))) 1)) (not (= v_g_~i~2_BEFORE_CALL_7 2)))) (and (= (select (select |#memory_$Pointer$.offset| |~#pp~0.base|) |~#pp~0.offset|) 1) (= 1 (select |#valid| 5)) (= (select |#valid| 3) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (exists ((v_g_~i~2_BEFORE_CALL_7 Int)) (and (not (= (select (select |#memory_int| |~#pstate~0.base|) (+ |~#pstate~0.offset| (* v_g_~i~2_BEFORE_CALL_7 4))) 1)) (not (= v_g_~i~2_BEFORE_CALL_7 2)))) (= (select |#valid| 2) 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-29 15:45:43,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...