./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.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.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 c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:23:38,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:23:38,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:23:39,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:23:39,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:23:39,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:23:39,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:23:39,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:23:39,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:23:39,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:23:39,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:23:39,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:23:39,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:23:39,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:23:39,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:23:39,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:23:39,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:23:39,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:23:39,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:23:39,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:23:39,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:23:39,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:23:39,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:23:39,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:23:39,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:23:39,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:23:39,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:23:39,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:23:39,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:23:39,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:23:39,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:23:39,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:23:39,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:23:39,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:23:39,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:23:39,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:23:39,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:23:39,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:23:39,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:23:39,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:23:39,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:23:39,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:23:39,090 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:23:39,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:23:39,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:23:39,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:23:39,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:23:39,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:23:39,092 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:23:39,092 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:23:39,093 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:23:39,093 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:23:39,093 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:23:39,093 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:23:39,093 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:23:39,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:23:39,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:23:39,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:23:39,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:23:39,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:23:39,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:23:39,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:23:39,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:23:39,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:23:39,095 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:23:39,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:23:39,095 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:23:39,096 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:23:39,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:23:39,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:23:39,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:23:39,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:23:39,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:23:39,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:23:39,098 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:23:39,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 [2021-12-15 17:23:39,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:23:39,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:23:39,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:23:39,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:23:39,374 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:23:39,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2021-12-15 17:23:39,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0604128a0/f38d27e0766143fa8c502df37cc41fde/FLAGed79a4b1b [2021-12-15 17:23:40,028 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:23:40,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2021-12-15 17:23:40,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0604128a0/f38d27e0766143fa8c502df37cc41fde/FLAGed79a4b1b [2021-12-15 17:23:40,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0604128a0/f38d27e0766143fa8c502df37cc41fde [2021-12-15 17:23:40,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:23:40,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:23:40,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:23:40,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:23:40,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:23:40,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:23:40" (1/1) ... [2021-12-15 17:23:40,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd284b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:40, skipping insertion in model container [2021-12-15 17:23:40,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:23:40" (1/1) ... [2021-12-15 17:23:40,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:23:40,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:23:40,484 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.1.c[1868,1881] [2021-12-15 17:23:40,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:23:40,875 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:23:40,888 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.1.c[1868,1881] [2021-12-15 17:23:41,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:23:41,150 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:23:41,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41 WrapperNode [2021-12-15 17:23:41,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:23:41,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:23:41,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:23:41,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:23:41,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:41,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:46,268 INFO L137 Inliner]: procedures = 99, calls = 2727, calls flagged for inlining = 344, calls inlined = 8133, statements flattened = 390583 [2021-12-15 17:23:46,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:23:46,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:23:46,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:23:46,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:23:46,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:46,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:48,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:48,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:50,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:52,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:52,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:54,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:23:54,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:23:54,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:23:54,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:23:54,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:23:41" (1/1) ... [2021-12-15 17:23:54,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:23:54,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:23:54,168 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 17:23:54,197 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 17:23:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:23:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:23:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:23:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:23:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:23:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:23:54,939 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:23:54,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation