./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-regression/signextension-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3 --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 b158af10e4b33c83f51d06d3962a6bea4ea2d792 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:21:30,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:21:30,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:21:30,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:21:30,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:21:30,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:21:30,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:21:30,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:21:30,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:21:30,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:21:30,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:21:30,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:21:30,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:21:30,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:21:30,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:21:30,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:21:30,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:21:30,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:21:30,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:21:30,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:21:30,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:21:30,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:21:30,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:21:30,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:21:30,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:21:30,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:21:30,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:21:30,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:21:30,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:21:30,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:21:30,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:21:30,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:21:30,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:21:30,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:21:30,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:21:30,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:21:30,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:21:30,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:21:30,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:21:30,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:21:30,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:21:30,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 20:21:30,219 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:21:30,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:21:30,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:21:30,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:21:30,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:21:30,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:21:30,222 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:21:30,223 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 20:21:30,223 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 20:21:30,223 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 20:21:30,224 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 20:21:30,225 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 20:21:30,225 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 20:21:30,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:21:30,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:21:30,226 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:21:30,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:21:30,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:21:30,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:21:30,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 20:21:30,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 20:21:30,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 20:21:30,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:21:30,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:21:30,228 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 20:21:30,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:21:30,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 20:21:30,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:21:30,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:21:30,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:21:30,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:21:30,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:21:30,233 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 20:21:30,234 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_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b158af10e4b33c83f51d06d3962a6bea4ea2d792 [2021-10-15 20:21:30,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:21:30,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:21:30,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:21:30,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:21:30,687 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:21:30,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/bitvector-regression/signextension-2.c [2021-10-15 20:21:30,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/data/fe6d3a890/1a608fa569fb480bae9de68a6397ff45/FLAG959fc6cc1 [2021-10-15 20:21:31,313 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:21:31,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/sv-benchmarks/c/bitvector-regression/signextension-2.c [2021-10-15 20:21:31,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/data/fe6d3a890/1a608fa569fb480bae9de68a6397ff45/FLAG959fc6cc1 [2021-10-15 20:21:31,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/data/fe6d3a890/1a608fa569fb480bae9de68a6397ff45 [2021-10-15 20:21:31,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:21:31,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:21:31,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:21:31,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:21:31,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:21:31,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:21:31" (1/1) ... [2021-10-15 20:21:31,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4f2b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:31, skipping insertion in model container [2021-10-15 20:21:31,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:21:31" (1/1) ... [2021-10-15 20:21:31,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:21:31,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:21:31,984 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_abfa62c5-084f-4249-a011-5b2cf3c1b257/sv-benchmarks/c/bitvector-regression/signextension-2.c[922,935] [2021-10-15 20:21:31,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:21:31,996 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:21:32,014 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_abfa62c5-084f-4249-a011-5b2cf3c1b257/sv-benchmarks/c/bitvector-regression/signextension-2.c[922,935] [2021-10-15 20:21:32,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:21:32,031 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:21:32,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32 WrapperNode [2021-10-15 20:21:32,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:21:32,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:21:32,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:21:32,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:21:32,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:21:32,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:21:32,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:21:32,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:21:32,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:21:32,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:21:32,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:21:32,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:21:32,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (1/1) ... [2021-10-15 20:21:32,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:21:32,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:21:32,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:21:32,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 20:21:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:21:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:21:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:21:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:21:32,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:21:32,489 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 20:21:32,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:21:32 BoogieIcfgContainer [2021-10-15 20:21:32,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:21:32,493 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 20:21:32,493 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 20:21:32,497 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 20:21:32,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:21:32,498 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:21:31" (1/3) ... [2021-10-15 20:21:32,500 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@fdfc136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:21:32, skipping insertion in model container [2021-10-15 20:21:32,501 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:21:32,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:21:32" (2/3) ... [2021-10-15 20:21:32,503 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@fdfc136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:21:32, skipping insertion in model container [2021-10-15 20:21:32,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:21:32,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:21:32" (3/3) ... [2021-10-15 20:21:32,505 INFO L389 chiAutomizerObserver]: Analyzing ICFG signextension-2.c [2021-10-15 20:21:32,576 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 20:21:32,577 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 20:21:32,577 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 20:21:32,577 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 20:21:32,577 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 20:21:32,578 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 20:21:32,578 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 20:21:32,578 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 20:21:32,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-10-15 20:21:32,621 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:21:32,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 20:21:32,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 08:21:32 BoogieIcfgContainer [2021-10-15 20:21:32,627 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 20:21:32,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:21:32,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:21:32,628 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:21:32,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:21:32" (3/4) ... [2021-10-15 20:21:32,632 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:21:32,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:21:32,635 INFO L168 Benchmark]: Toolchain (without parser) took 953.23 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 53.9 MB in the end (delta: 245.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:21:32,635 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 69.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:21:32,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.43 ms. Allocated memory is still 94.4 MB. Free memory was 53.9 MB in the beginning and 70.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:21:32,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.73 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 69.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:21:32,643 INFO L168 Benchmark]: Boogie Preprocessor took 37.02 ms. Allocated memory is still 94.4 MB. Free memory was 69.3 MB in the beginning and 68.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:21:32,644 INFO L168 Benchmark]: RCFGBuilder took 379.86 ms. Allocated memory is still 94.4 MB. Free memory was 68.3 MB in the beginning and 59.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:21:32,646 INFO L168 Benchmark]: BuchiAutomizer took 134.02 ms. Allocated memory is still 94.4 MB. Free memory was 59.1 MB in the beginning and 54.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:21:32,647 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 53.9 MB in the end (delta: 265.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:21:32,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 69.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.43 ms. Allocated memory is still 94.4 MB. Free memory was 53.9 MB in the beginning and 70.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.73 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 69.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.02 ms. Allocated memory is still 94.4 MB. Free memory was 69.3 MB in the beginning and 68.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 379.86 ms. Allocated memory is still 94.4 MB. Free memory was 68.3 MB in the beginning and 59.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 134.02 ms. Allocated memory is still 94.4 MB. Free memory was 59.1 MB in the beginning and 54.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.84 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 53.9 MB in the end (delta: 265.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 20:21:32,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfa62c5-084f-4249-a011-5b2cf3c1b257/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...