./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f4b24e32 Calling Ultimate with: /usr/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 ../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 13:44:32,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 13:44:32,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 13:44:32,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 13:44:32,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 13:44:32,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 13:44:32,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 13:44:32,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 13:44:32,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 13:44:32,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 13:44:32,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 13:44:32,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 13:44:32,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 13:44:32,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 13:44:32,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 13:44:32,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 13:44:32,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 13:44:32,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 13:44:32,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 13:44:32,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 13:44:32,925 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 13:44:32,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 13:44:32,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 13:44:32,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 13:44:32,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 13:44:32,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 13:44:32,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 13:44:32,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 13:44:32,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 13:44:32,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 13:44:32,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 13:44:32,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 13:44:32,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 13:44:32,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 13:44:32,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 13:44:32,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 13:44:32,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 13:44:32,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 13:44:32,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 13:44:32,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 13:44:32,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 13:44:32,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 13:44:32,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-07-14 13:44:32,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 13:44:32,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 13:44:32,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 13:44:32,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 13:44:32,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 13:44:32,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 13:44:32,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 13:44:32,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 13:44:32,978 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 13:44:32,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 13:44:32,979 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 13:44:32,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 13:44:32,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 13:44:32,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 13:44:32,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 13:44:32,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 13:44:32,980 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-14 13:44:32,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 13:44:32,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 13:44:32,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 13:44:32,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 13:44:32,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 13:44:32,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 13:44:32,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 13:44:32,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 13:44:32,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 13:44:32,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 13:44:32,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 13:44:32,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 13:44:32,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 13:44:32,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2022-07-14 13:44:33,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 13:44:33,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 13:44:33,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 13:44:33,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 13:44:33,176 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 13:44:33,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-07-14 13:44:33,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639f14f48/b304fa66474946559c48f65095fdeaa0/FLAG2328b86bd [2022-07-14 13:44:33,542 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 13:44:33,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-07-14 13:44:33,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639f14f48/b304fa66474946559c48f65095fdeaa0/FLAG2328b86bd [2022-07-14 13:44:33,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639f14f48/b304fa66474946559c48f65095fdeaa0 [2022-07-14 13:44:33,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 13:44:33,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 13:44:33,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 13:44:33,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 13:44:33,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 13:44:33,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:44:33" (1/1) ... [2022-07-14 13:44:34,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596bf273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34, skipping insertion in model container [2022-07-14 13:44:34,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:44:33" (1/1) ... [2022-07-14 13:44:34,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 13:44:34,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 13:44:34,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 13:44:34,130 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 13:44:34,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 13:44:34,146 INFO L208 MainTranslator]: Completed translation [2022-07-14 13:44:34,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34 WrapperNode [2022-07-14 13:44:34,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 13:44:34,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 13:44:34,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 13:44:34,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 13:44:34,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,163 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-07-14 13:44:34,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 13:44:34,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 13:44:34,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 13:44:34,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 13:44:34,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 13:44:34,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 13:44:34,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 13:44:34,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 13:44:34,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (1/1) ... [2022-07-14 13:44:34,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 13:44:34,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:44:34,222 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) [2022-07-14 13:44:34,223 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 [2022-07-14 13:44:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 13:44:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 13:44:34,311 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 13:44:34,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 13:44:34,403 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 13:44:34,408 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 13:44:34,409 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 13:44:34,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:44:34 BoogieIcfgContainer [2022-07-14 13:44:34,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 13:44:34,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 13:44:34,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 13:44:34,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 13:44:34,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:44:33" (1/3) ... [2022-07-14 13:44:34,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701faf24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:44:34, skipping insertion in model container [2022-07-14 13:44:34,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:44:34" (2/3) ... [2022-07-14 13:44:34,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701faf24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:44:34, skipping insertion in model container [2022-07-14 13:44:34,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:44:34" (3/3) ... [2022-07-14 13:44:34,420 INFO L111 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2022-07-14 13:44:34,433 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 13:44:34,433 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-07-14 13:44:34,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701faf24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 01:44:34, skipping insertion in model container [2022-07-14 13:44:34,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-14 13:44:34,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 13:44:34,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 13:44:34,437 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 13:44:34,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:44:34" (3/3) ... [2022-07-14 13:44:34,440 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-14 13:44:34,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-14 13:44:34,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-14 13:44:34,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-14 13:44:34,491 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 13:44:34,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 13:44:34,493 INFO L158 Benchmark]: Toolchain (without parser) took 500.32ms. Allocated memory is still 86.0MB. Free memory was 57.2MB in the beginning and 48.5MB in the end (delta: 8.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-07-14 13:44:34,495 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 13:44:34,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 152.86ms. Allocated memory is still 86.0MB. Free memory was 57.0MB in the beginning and 63.4MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 13:44:34,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.72ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 62.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 13:44:34,497 INFO L158 Benchmark]: Boogie Preprocessor took 11.82ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 61.1MB in the end (delta: 851.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:44:34,497 INFO L158 Benchmark]: RCFGBuilder took 234.47ms. Allocated memory is still 86.0MB. Free memory was 61.1MB in the beginning and 53.0MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 13:44:34,498 INFO L158 Benchmark]: TraceAbstraction took 22.59ms. Allocated memory is still 86.0MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:44:34,498 INFO L158 Benchmark]: Witness Printer took 55.60ms. Allocated memory is still 86.0MB. Free memory was 50.6MB in the beginning and 48.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:44:34,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 152.86ms. Allocated memory is still 86.0MB. Free memory was 57.0MB in the beginning and 63.4MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.72ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 62.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.82ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 61.1MB in the end (delta: 851.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 234.47ms. Allocated memory is still 86.0MB. Free memory was 61.1MB in the beginning and 53.0MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 22.59ms. Allocated memory is still 86.0MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 55.60ms. Allocated memory is still 86.0MB. Free memory was 50.6MB in the beginning and 48.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-07-14 13:44:34,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE