./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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.2-1.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 cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:52:26,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:52:26,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:52:26,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:52:26,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:52:26,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:52:26,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:52:26,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:52:26,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:52:26,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:52:26,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:52:26,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:52:26,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:52:26,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:52:26,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:52:26,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:52:26,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:52:26,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:52:26,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:52:26,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:52:26,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:52:26,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:52:26,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:52:26,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:52:26,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:52:26,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:52:26,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:52:26,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:52:26,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:52:26,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:52:26,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:52:26,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:52:26,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:52:26,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:52:26,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:52:26,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:52:26,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:52:26,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:52:26,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:52:26,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:52:26,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:52:26,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:52:26,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:52:26,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:52:26,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:52:26,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:52:26,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:52:26,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:52:26,201 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:52:26,202 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:52:26,202 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:52:26,202 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:52:26,202 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:52:26,203 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:52:26,203 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:52:26,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:52:26,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:52:26,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:52:26,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:52:26,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:52:26,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:52:26,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:52:26,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:52:26,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:52:26,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:52:26,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:52:26,204 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:52:26,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:52:26,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:52:26,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:52:26,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:52:26,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:52:26,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:52:26,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:52:26,206 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:52:26,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 [2021-12-14 23:52:26,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:52:26,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:52:26,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:52:26,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:52:26,473 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:52:26,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2021-12-14 23:52:26,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e878a6b/8efbfab0053a486bb6355a4b6662f154/FLAGf39d9a5e8 [2021-12-14 23:52:27,004 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:52:27,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2021-12-14 23:52:27,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e878a6b/8efbfab0053a486bb6355a4b6662f154/FLAGf39d9a5e8 [2021-12-14 23:52:27,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e878a6b/8efbfab0053a486bb6355a4b6662f154 [2021-12-14 23:52:27,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:52:27,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:52:27,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:52:27,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:52:27,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:52:27,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:52:27" (1/1) ... [2021-12-14 23:52:27,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8aed09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:27, skipping insertion in model container [2021-12-14 23:52:27,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:52:27" (1/1) ... [2021-12-14 23:52:27,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:52:27,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:52:27,495 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.2-1.c[1871,1884] [2021-12-14 23:52:27,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:52:27,924 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:52:27,934 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.2-1.c[1871,1884] [2021-12-14 23:52:28,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:52:28,161 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:52:28,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28 WrapperNode [2021-12-14 23:52:28,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:52:28,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:52:28,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:52:28,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:52:28,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:28,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:33,668 INFO L137 Inliner]: procedures = 99, calls = 2724, calls flagged for inlining = 341, calls inlined = 8021, statements flattened = 384975 [2021-12-14 23:52:33,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:52:33,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:52:33,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:52:33,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:52:33,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:33,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:35,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:35,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:37,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:38,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:38,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:40,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:52:40,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:52:40,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:52:40,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:52:40,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:52:28" (1/1) ... [2021-12-14 23:52:40,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:52:40,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:52:40,298 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) [2021-12-14 23:52:40,309 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 [2021-12-14 23:52:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 23:52:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 23:52:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:52:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:52:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:52:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:52:40,929 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:52:40,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation