./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:47:24,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:47:24,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:47:24,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:47:24,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:47:24,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:47:24,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:47:24,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:47:24,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:47:24,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:47:24,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:47:24,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:47:24,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:47:24,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:47:24,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:47:24,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:47:24,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:47:24,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:47:24,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:47:24,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:47:24,094 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:47:24,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:47:24,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:47:24,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:47:24,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:47:24,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:47:24,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:47:24,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:47:24,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:47:24,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:47:24,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:47:24,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:47:24,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:47:24,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:47:24,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:47:24,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:47:24,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:47:24,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:47:24,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:47:24,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:47:24,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:47:24,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:47:24,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:47:24,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:47:24,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:47:24,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:47:24,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:47:24,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:47:24,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:47:24,135 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:47:24,135 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:47:24,135 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:47:24,135 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:47:24,135 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:47:24,135 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:47:24,136 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:47:24,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:47:24,136 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:47:24,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:47:24,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:47:24,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:47:24,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:47:24,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:47:24,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:47:24,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:47:24,140 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:47:24,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:47:24,140 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:47:24,140 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:47:24,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:47:24,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:47:24,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:47:24,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:47:24,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:47:24,143 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:47:24,143 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 [2022-07-13 04:47:24,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:47:24,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:47:24,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:47:24,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:47:24,416 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:47:24,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-07-13 04:47:24,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f95c1d115/60448856835f4051b58228a0ce7d9a36/FLAG39a40f098 [2022-07-13 04:47:25,121 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:47:25,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-07-13 04:47:25,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f95c1d115/60448856835f4051b58228a0ce7d9a36/FLAG39a40f098 [2022-07-13 04:47:25,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f95c1d115/60448856835f4051b58228a0ce7d9a36 [2022-07-13 04:47:25,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:47:25,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:47:25,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:47:25,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:47:25,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:47:25,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:47:25" (1/1) ... [2022-07-13 04:47:25,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633b95ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:25, skipping insertion in model container [2022-07-13 04:47:25,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:47:25" (1/1) ... [2022-07-13 04:47:25,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:47:25,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:47:25,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c[2216,2229] [2022-07-13 04:47:26,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:47:26,521 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:47:26,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c[2216,2229] [2022-07-13 04:47:26,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:47:26,943 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:47:26,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26 WrapperNode [2022-07-13 04:47:26,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:47:26,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:47:26,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:47:26,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:47:26,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:27,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:33,975 INFO L137 Inliner]: procedures = 101, calls = 6643, calls flagged for inlining = 382, calls inlined = 8014, statements flattened = 521415 [2022-07-13 04:47:33,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:47:33,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:47:33,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:47:33,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:47:33,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:33,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:35,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:35,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:39,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:41,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:41,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:43,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:47:43,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:47:43,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:47:43,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:47:43,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:47:26" (1/1) ... [2022-07-13 04:47:43,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:47:43,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:47:43,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:47:43,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:47:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 04:47:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 04:47:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:47:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:47:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:47:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:47:45,009 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:47:45,011 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation