./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test_union_cast.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test_union_cast.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt --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 a352394c1eadbc81d21ec79adbb95bed41c9b316 ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:48:22,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:48:22,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:48:22,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:48:22,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:48:22,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:48:22,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:48:22,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:48:22,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:48:22,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:48:22,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:48:22,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:48:22,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:48:22,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:48:22,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:48:22,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:48:22,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:48:22,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:48:22,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:48:22,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:48:22,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:48:22,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:48:22,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:48:22,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:48:22,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:48:22,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:48:22,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:48:22,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:48:22,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:48:22,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:48:22,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:48:22,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:48:22,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:48:22,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:48:22,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:48:22,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:48:22,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:48:22,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:48:22,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:48:22,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:48:22,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:48:22,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:48:22,576 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:48:22,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:48:22,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:48:22,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:48:22,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:48:22,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:48:22,584 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:48:22,585 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:48:22,585 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:48:22,585 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:48:22,586 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:48:22,586 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:48:22,587 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:48:22,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:48:22,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:48:22,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:48:22,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:48:22,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:48:22,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:48:22,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:48:22,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:48:22,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:48:22,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:48:22,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:48:22,590 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:48:22,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:48:22,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:48:22,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:48:22,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:48:22,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:48:22,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:48:22,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:48:22,595 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:48:22,595 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_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a352394c1eadbc81d21ec79adbb95bed41c9b316 [2021-10-13 00:48:22,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:48:22,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:48:22,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:48:22,930 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:48:22,931 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:48:22,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-regression/test_union_cast.i [2021-10-13 00:48:23,000 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/data/17f9a3cd3/2c10f189e1694b92ab7f1c4dac9dd8c6/FLAG84c8983ea [2021-10-13 00:48:23,461 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:48:23,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/sv-benchmarks/c/ldv-regression/test_union_cast.i [2021-10-13 00:48:23,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/data/17f9a3cd3/2c10f189e1694b92ab7f1c4dac9dd8c6/FLAG84c8983ea [2021-10-13 00:48:23,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/data/17f9a3cd3/2c10f189e1694b92ab7f1c4dac9dd8c6 [2021-10-13 00:48:23,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:48:23,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:48:23,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:48:23,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:48:23,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:48:23,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:48:23" (1/1) ... [2021-10-13 00:48:23,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9d5447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:23, skipping insertion in model container [2021-10-13 00:48:23,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:48:23" (1/1) ... [2021-10-13 00:48:23,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:48:23,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:48:24,106 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_078ef936-12fb-4fee-9fd3-7db7696c4f46/sv-benchmarks/c/ldv-regression/test_union_cast.i[297,310] [2021-10-13 00:48:24,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:48:24,129 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:48:24,141 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_078ef936-12fb-4fee-9fd3-7db7696c4f46/sv-benchmarks/c/ldv-regression/test_union_cast.i[297,310] [2021-10-13 00:48:24,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:48:24,159 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:48:24,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24 WrapperNode [2021-10-13 00:48:24,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:48:24,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:48:24,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:48:24,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:48:24,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:48:24,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:48:24,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:48:24,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:48:24,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:48:24,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:48:24,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:48:24,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:48:24,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (1/1) ... [2021-10-13 00:48:24,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:48:24,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:48:24,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:48:24,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:48:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:48:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:48:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:48:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:48:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:48:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:48:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:48:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:48:24,559 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:48:24,560 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 00:48:24,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:48:24 BoogieIcfgContainer [2021-10-13 00:48:24,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:48:24,565 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:48:24,565 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:48:24,568 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:48:24,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:48:24,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:48:23" (1/3) ... [2021-10-13 00:48:24,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35c791c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:48:24, skipping insertion in model container [2021-10-13 00:48:24,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:48:24,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:24" (2/3) ... [2021-10-13 00:48:24,573 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35c791c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:48:24, skipping insertion in model container [2021-10-13 00:48:24,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:48:24,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:48:24" (3/3) ... [2021-10-13 00:48:24,575 INFO L389 chiAutomizerObserver]: Analyzing ICFG test_union_cast.i [2021-10-13 00:48:24,648 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:48:24,649 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:48:24,649 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:48:24,649 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:48:24,649 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:48:24,649 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:48:24,650 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:48:24,650 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:48:24,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-13 00:48:24,679 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:48:24,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:48:24,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:48:24 BoogieIcfgContainer [2021-10-13 00:48:24,684 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:48:24,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:48:24,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:48:24,686 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:48:24,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:48:24" (3/4) ... [2021-10-13 00:48:24,689 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:48:24,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:48:24,691 INFO L168 Benchmark]: Toolchain (without parser) took 827.68 ms. Allocated memory is still 115.3 MB. Free memory was 73.6 MB in the beginning and 71.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:48:24,692 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory was 89.8 MB in the beginning and 89.7 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:48:24,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.92 ms. Allocated memory is still 115.3 MB. Free memory was 73.4 MB in the beginning and 89.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:48:24,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.17 ms. Allocated memory is still 115.3 MB. Free memory was 89.6 MB in the beginning and 88.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:48:24,695 INFO L168 Benchmark]: Boogie Preprocessor took 42.27 ms. Allocated memory is still 115.3 MB. Free memory was 88.3 MB in the beginning and 87.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:48:24,696 INFO L168 Benchmark]: RCFGBuilder took 325.20 ms. Allocated memory is still 115.3 MB. Free memory was 87.1 MB in the beginning and 77.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:48:24,697 INFO L168 Benchmark]: BuchiAutomizer took 119.56 ms. Allocated memory is still 115.3 MB. Free memory was 77.5 MB in the beginning and 72.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:48:24,698 INFO L168 Benchmark]: Witness Printer took 4.22 ms. Allocated memory is still 115.3 MB. Free memory was 72.5 MB in the beginning and 71.9 MB in the end (delta: 524.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:48:24,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory was 89.8 MB in the beginning and 89.7 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.92 ms. Allocated memory is still 115.3 MB. Free memory was 73.4 MB in the beginning and 89.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.17 ms. Allocated memory is still 115.3 MB. Free memory was 89.6 MB in the beginning and 88.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.27 ms. Allocated memory is still 115.3 MB. Free memory was 88.3 MB in the beginning and 87.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 325.20 ms. Allocated memory is still 115.3 MB. Free memory was 87.1 MB in the beginning and 77.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 119.56 ms. Allocated memory is still 115.3 MB. Free memory was 77.5 MB in the beginning and 72.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.22 ms. Allocated memory is still 115.3 MB. Free memory was 72.5 MB in the beginning and 71.9 MB in the end (delta: 524.2 kB). Peak memory consumption was 2.1 MB. 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! [2021-10-13 00:48:24,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_078ef936-12fb-4fee-9fd3-7db7696c4f46/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...