./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF --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 939f9ba643e48f1f474d915c8f8f8fe744934de4eaf7962f6fa7e257fcdf850d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:33:23,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:33:23,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:33:23,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:33:23,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:33:23,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:33:23,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:33:23,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:33:23,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:33:23,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:33:23,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:33:23,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:33:23,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:33:23,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:33:23,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:33:23,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:33:23,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:33:23,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:33:23,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:33:23,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:33:24,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:33:24,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:33:24,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:33:24,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:33:24,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:33:24,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:33:24,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:33:24,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:33:24,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:33:24,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:33:24,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:33:24,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:33:24,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:33:24,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:33:24,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:33:24,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:33:24,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:33:24,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:33:24,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:33:24,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:33:24,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:33:24,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 05:33:24,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:33:24,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:33:24,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:33:24,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:33:24,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:33:24,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:33:24,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:33:24,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:33:24,109 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:33:24,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:33:24,111 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:33:24,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:33:24,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:33:24,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:33:24,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:33:24,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:33:24,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:33:24,113 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:33:24,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:33:24,114 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:33:24,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:33:24,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:33:24,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:33:24,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:33:24,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:33:24,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:33:24,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:33:24,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:33:24,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:33:24,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:33:24,118 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:33:24,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:33:24,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:33:24,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:33:24,119 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_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 939f9ba643e48f1f474d915c8f8f8fe744934de4eaf7962f6fa7e257fcdf850d [2021-11-20 05:33:24,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:33:24,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:33:24,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:33:24,532 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:33:24,533 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:33:24,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/eca-rers2012/Problem09_label06.c [2021-11-20 05:33:24,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/data/8a83ae8c0/936d0454c74f4f8db4dcf66632967d59/FLAG848f300a9 [2021-11-20 05:33:29,186 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:33:29,187 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/sv-benchmarks/c/eca-rers2012/Problem09_label06.c [2021-11-20 05:33:29,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/data/8a83ae8c0/936d0454c74f4f8db4dcf66632967d59/FLAG848f300a9 [2021-11-20 05:33:30,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/data/8a83ae8c0/936d0454c74f4f8db4dcf66632967d59 [2021-11-20 05:33:30,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:33:30,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:33:30,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:33:30,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:33:30,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:33:30,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:30" (1/1) ... [2021-11-20 05:33:30,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddfb988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:30, skipping insertion in model container [2021-11-20 05:33:30,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:30" (1/1) ... [2021-11-20 05:33:30,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:33:32,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:34:02,661 WARN L230 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_54215199-08aa-4e35-8dba-4326de96d7bf/sv-benchmarks/c/eca-rers2012/Problem09_label06.c[6301618,6301631] [2021-11-20 05:34:02,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:34:02,849 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:34:19,911 WARN L230 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_54215199-08aa-4e35-8dba-4326de96d7bf/sv-benchmarks/c/eca-rers2012/Problem09_label06.c[6301618,6301631] [2021-11-20 05:34:19,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:34:24,896 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:34:24,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24 WrapperNode [2021-11-20 05:34:24,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:34:24,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:34:24,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:34:24,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:34:24,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:26,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:34,171 INFO L137 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197818 [2021-11-20 05:34:34,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:34:34,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:34:34,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:34:34,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:34:34,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:34,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:35,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:35,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:38,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:39,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:39,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:40,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:34:40,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:34:40,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:34:40,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:34:40,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (1/1) ... [2021-11-20 05:34:40,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:34:40,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:34:40,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:34:40,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54215199-08aa-4e35-8dba-4326de96d7bf/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:34:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:34:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:34:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:34:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:34:40,827 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:34:40,829 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:35:54,924 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:35:55,033 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:35:55,033 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 05:35:55,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:55 BoogieIcfgContainer [2021-11-20 05:35:55,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:35:55,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:35:55,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:35:55,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:35:55,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:33:30" (1/3) ... [2021-11-20 05:35:55,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2a309b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:35:55, skipping insertion in model container [2021-11-20 05:35:55,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:24" (2/3) ... [2021-11-20 05:35:55,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2a309b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:35:55, skipping insertion in model container [2021-11-20 05:35:55,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:55" (3/3) ... [2021-11-20 05:35:55,067 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem09_label06.c [2021-11-20 05:35:55,073 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:35:55,073 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:35:55,194 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:35:55,200 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:35:55,201 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:35:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 20356 states, 20354 states have (on average 1.902525302151911) internal successors, (38724), 20355 states have internal predecessors, (38724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)