./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7337b5b573472e49013984b7b11d6322794b682856ccd787afa474780297c36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:35:56,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:35:56,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:35:56,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:35:56,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:35:56,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:35:56,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:35:56,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:35:56,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:35:56,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:35:56,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:35:56,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:35:56,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:35:56,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:35:56,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:35:56,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:35:56,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:35:56,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:35:56,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:35:56,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:35:56,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:35:56,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:35:56,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:35:56,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:35:56,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:35:56,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:35:56,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:35:56,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:35:56,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:35:56,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:35:56,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:35:56,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:35:56,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:35:56,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:35:56,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:35:56,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:35:56,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:35:56,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:35:56,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:35:56,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:35:56,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:35:56,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 22:35:56,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:35:56,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:35:56,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:35:56,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:35:56,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:35:56,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:35:56,975 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:35:56,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:35:56,976 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:35:56,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:35:56,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:35:56,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:35:56,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:35:56,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:35:56,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:35:56,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:35:56,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:35:56,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:35:56,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:35:56,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:35:56,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:35:56,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:35:56,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:35:56,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:35:56,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:35:56,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:35:56,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:35:56,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:35:56,984 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:35:56,986 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:35:56,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:35:56,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:35:56,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7337b5b573472e49013984b7b11d6322794b682856ccd787afa474780297c36 [2021-11-02 22:35:57,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:35:57,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:35:57,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:35:57,360 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:35:57,361 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:35:57,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/eca-programs/Problem103_label56.c [2021-11-02 22:35:57,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/data/dc48d514a/93c9b09358694db6978794e1b209a41f/FLAGbd14583c8 [2021-11-02 22:36:01,971 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:36:01,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/sv-benchmarks/c/eca-programs/Problem103_label56.c [2021-11-02 22:36:02,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/data/dc48d514a/93c9b09358694db6978794e1b209a41f/FLAGbd14583c8 [2021-11-02 22:36:02,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/data/dc48d514a/93c9b09358694db6978794e1b209a41f [2021-11-02 22:36:03,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:36:03,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:36:03,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:36:03,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:36:03,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:36:03,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:36:02" (1/1) ... [2021-11-02 22:36:03,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a763d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:03, skipping insertion in model container [2021-11-02 22:36:03,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:36:02" (1/1) ... [2021-11-02 22:36:03,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:36:05,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:36:38,799 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_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/sv-benchmarks/c/eca-programs/Problem103_label56.c[6303470,6303483] [2021-11-02 22:36:38,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:36:38,990 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:36:56,690 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_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/sv-benchmarks/c/eca-programs/Problem103_label56.c[6303470,6303483] [2021-11-02 22:36:56,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:37:02,539 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:37:02,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02 WrapperNode [2021-11-02 22:37:02,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:37:02,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:37:02,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:37:02,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:37:02,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:04,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:10,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:37:10,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:37:10,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:37:10,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:37:10,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:10,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:12,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:12,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:15,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:16,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:16,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:17,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:37:17,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:37:17,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:37:17,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:37:17,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:37:02" (1/1) ... [2021-11-02 22:37:17,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:37:17,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:37:17,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:37:17,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f28bd3b-2997-4363-b89b-ef8bfdd9ca50/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:37:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:37:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:37:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:37:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start