./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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.4.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 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:23:41,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:23:41,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:23:41,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:23:41,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:23:41,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:23:41,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:23:41,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:23:41,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:23:41,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:23:41,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:23:41,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:23:41,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:23:41,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:23:41,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:23:41,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:23:41,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:23:41,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:23:41,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:23:41,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:23:41,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:23:41,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:23:41,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:23:41,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:23:41,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:23:41,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:23:41,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:23:41,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:23:41,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:23:41,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:23:41,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:23:41,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:23:41,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:23:41,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:23:41,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:23:41,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:23:41,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:23:41,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:23:41,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:23:41,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:23:41,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:23:41,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:23:41,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:23:41,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:23:41,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:23:41,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:23:41,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:23:41,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:23:41,928 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:23:41,928 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:23:41,928 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:23:41,928 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:23:41,929 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:23:41,929 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:23:41,929 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:23:41,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:23:41,930 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:23:41,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:23:41,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:23:41,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:23:41,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:23:41,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:23:41,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:23:41,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:23:41,931 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:23:41,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:23:41,932 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:23:41,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:23:41,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:23:41,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:23:41,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:23:41,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:23:41,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:23:41,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:23:41,934 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:23:41,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f [2021-12-15 17:23:42,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:23:42,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:23:42,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:23:42,283 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:23:42,283 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:23:42,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2021-12-15 17:23:42,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0c1a27d/dc4a9cae004641d0b50004780a93caf2/FLAG2accf5390 [2021-12-15 17:23:43,205 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:23:43,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2021-12-15 17:23:43,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0c1a27d/dc4a9cae004641d0b50004780a93caf2/FLAG2accf5390 [2021-12-15 17:23:43,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0c1a27d/dc4a9cae004641d0b50004780a93caf2 [2021-12-15 17:23:43,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:23:43,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:23:43,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:23:43,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:23:43,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:23:43,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:23:43" (1/1) ... [2021-12-15 17:23:43,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd29af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:43, skipping insertion in model container [2021-12-15 17:23:43,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:23:43" (1/1) ... [2021-12-15 17:23:43,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:23:43,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:23:44,243 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.4.c[1868,1881] [2021-12-15 17:23:45,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:23:45,113 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:23:45,145 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.4.c[1868,1881] [2021-12-15 17:23:45,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:23:45,568 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:23:45,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45 WrapperNode [2021-12-15 17:23:45,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:23:45,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:23:45,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:23:45,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:23:45,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:23:45,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:23:56,004 INFO L137 Inliner]: procedures = 99, calls = 2906, calls flagged for inlining = 347, calls inlined = 16181, statements flattened = 776943 [2021-12-15 17:23:56,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:23:56,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:23:56,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:23:56,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:23:56,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:23:56,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:23:58,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:23:58,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:24:03,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:24:06,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:24:06,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:24:10,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:24:10,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:24:10,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:24:10,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:24:10,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:45" (1/1) ... [2021-12-15 17:24:10,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:24:10,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:24:10,224 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) [2021-12-15 17:24:10,244 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 [2021-12-15 17:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:24:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:24:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:24:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:24:12,200 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:24:12,201 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation