./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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/rekh_ctm.2-2.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 f1e7a931f8678a52ab26f5a1b74bb59e33ef4ed9c03430a4d28342e1a824b13d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:39:19,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:39:19,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:39:19,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:39:20,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:39:20,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:39:20,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:39:20,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:39:20,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:39:20,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:39:20,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:39:20,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:39:20,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:39:20,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:39:20,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:39:20,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:39:20,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:39:20,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:39:20,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:39:20,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:39:20,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:39:20,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:39:20,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:39:20,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:39:20,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:39:20,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:39:20,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:39:20,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:39:20,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:39:20,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:39:20,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:39:20,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:39:20,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:39:20,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:39:20,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:39:20,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:39:20,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:39:20,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:39:20,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:39:20,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:39:20,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:39:20,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:39:20,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:39:20,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:39:20,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:39:20,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:39:20,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:39:20,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:39:20,099 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:39:20,099 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:39:20,100 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:39:20,100 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:39:20,100 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:39:20,101 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:39:20,101 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:39:20,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:39:20,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:39:20,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:39:20,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:39:20,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:39:20,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:39:20,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:39:20,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:39:20,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:39:20,102 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:39:20,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:39:20,103 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:39:20,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:39:20,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:39:20,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:39:20,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:39:20,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:39:20,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:39:20,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:39:20,106 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:39:20,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e7a931f8678a52ab26f5a1b74bb59e33ef4ed9c03430a4d28342e1a824b13d [2021-12-22 20:39:20,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:39:20,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:39:20,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:39:20,383 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:39:20,384 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:39:20,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2021-12-22 20:39:20,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17951221f/82976a0152664338a7b274abb3a511e3/FLAGde6130cbe [2021-12-22 20:39:21,028 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:39:21,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2021-12-22 20:39:21,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17951221f/82976a0152664338a7b274abb3a511e3/FLAGde6130cbe [2021-12-22 20:39:21,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17951221f/82976a0152664338a7b274abb3a511e3 [2021-12-22 20:39:21,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:39:21,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:39:21,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:39:21,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:39:21,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:39:21,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:39:21" (1/1) ... [2021-12-22 20:39:21,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ccf056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:21, skipping insertion in model container [2021-12-22 20:39:21,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:39:21" (1/1) ... [2021-12-22 20:39:21,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:39:21,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:39:21,744 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/rekh_ctm.2-2.c[1870,1883] [2021-12-22 20:39:22,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:39:22,113 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:39:22,125 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/rekh_ctm.2-2.c[1870,1883] [2021-12-22 20:39:22,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:39:22,409 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:39:22,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22 WrapperNode [2021-12-22 20:39:22,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:39:22,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:39:22,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:39:22,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:39:22,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:22,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:28,120 INFO L137 Inliner]: procedures = 99, calls = 2725, calls flagged for inlining = 342, calls inlined = 8061, statements flattened = 386847 [2021-12-22 20:39:28,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:39:28,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:39:28,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:39:28,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:39:28,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:28,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:29,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:29,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:32,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:33,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:34,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:35,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:39:35,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:39:35,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:39:35,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:39:35,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:39:22" (1/1) ... [2021-12-22 20:39:35,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:39:35,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:39:35,683 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) [2021-12-22 20:39:35,689 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 [2021-12-22 20:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 20:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 20:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:39:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:39:37,073 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:39:37,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation