./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y --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 0.2.1-dev-63182f1 [2021-11-13 18:24:17,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:24:17,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:24:18,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:24:18,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:24:18,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:24:18,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:24:18,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:24:18,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:24:18,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:24:18,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:24:18,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:24:18,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:24:18,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:24:18,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:24:18,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:24:18,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:24:18,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:24:18,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:24:18,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:24:18,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:24:18,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:24:18,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:24:18,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:24:18,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:24:18,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:24:18,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:24:18,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:24:18,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:24:18,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:24:18,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:24:18,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:24:18,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:24:18,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:24:18,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:24:18,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:24:18,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:24:18,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:24:18,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:24:18,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:24:18,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:24:18,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:24:18,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:24:18,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:24:18,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:24:18,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:24:18,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:24:18,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:24:18,243 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:24:18,243 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:24:18,244 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:24:18,244 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:24:18,245 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:24:18,246 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:24:18,246 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:24:18,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:24:18,246 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:24:18,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:24:18,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:24:18,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:24:18,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:24:18,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:24:18,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:24:18,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:24:18,249 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:24:18,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:24:18,249 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:24:18,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:24:18,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:24:18,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:24:18,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:24:18,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:24:18,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:24:18,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:24:18,255 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:24:18,255 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 [2021-11-13 18:24:18,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:24:18,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:24:18,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:24:18,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:24:18,673 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:24:18,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2021-11-13 18:24:18,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/data/e964c9e83/3ec171fde95345b8bf7ba67ad4758765/FLAG48baa0b02 [2021-11-13 18:24:19,722 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:24:19,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2021-11-13 18:24:19,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/data/e964c9e83/3ec171fde95345b8bf7ba67ad4758765/FLAG48baa0b02 [2021-11-13 18:24:20,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/data/e964c9e83/3ec171fde95345b8bf7ba67ad4758765 [2021-11-13 18:24:20,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:24:20,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:24:20,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:24:20,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:24:20,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:24:20,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:24:20" (1/1) ... [2021-11-13 18:24:20,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fadaced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:20, skipping insertion in model container [2021-11-13 18:24:20,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:24:20" (1/1) ... [2021-11-13 18:24:20,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:24:20,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:24:20,735 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2021-11-13 18:24:21,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:24:21,568 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:24:21,584 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2021-11-13 18:24:21,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:24:21,968 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:24:21,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21 WrapperNode [2021-11-13 18:24:21,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:24:21,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:24:21,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:24:21,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:24:21,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:22,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:30,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:24:30,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:24:30,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:24:30,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:24:30,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:30,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:32,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:32,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:36,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:38,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:38,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:40,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:24:40,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:24:40,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:24:40,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:24:40,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:24:21" (1/1) ... [2021-11-13 18:24:40,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:24:40,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:24:40,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:24:40,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20986f29-b6aa-48f3-884b-830c284146cb/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:24:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:24:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:24:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:24:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:24:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:24:40,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start