./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8 --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 a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:26:45,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:26:45,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:26:45,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:26:45,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:26:45,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:26:45,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:26:45,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:26:45,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:26:45,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:26:45,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:26:45,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:26:45,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:26:45,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:26:45,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:26:45,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:26:45,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:26:45,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:26:45,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:26:45,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:26:45,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:26:45,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:26:45,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:26:45,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:26:45,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:26:45,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:26:45,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:26:45,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:26:45,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:26:45,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:26:45,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:26:45,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:26:45,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:26:45,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:26:45,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:26:45,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:26:45,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:26:45,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:26:45,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:26:45,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:26:45,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:26:45,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:26:45,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:26:45,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:26:45,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:26:45,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:26:45,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:26:45,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:26:45,602 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:26:45,602 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:26:45,603 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:26:45,603 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:26:45,603 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:26:45,604 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:26:45,604 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:26:45,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:26:45,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:26:45,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:26:45,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:26:45,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:26:45,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:26:45,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:26:45,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:26:45,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:26:45,608 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:26:45,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:26:45,609 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:26:45,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:26:45,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:26:45,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:26:45,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:26:45,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:26:45,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:26:45,612 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:26:45,613 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_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2022-11-16 11:26:46,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:26:46,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:26:46,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:26:46,041 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:26:46,042 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:26:46,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2022-11-16 11:26:46,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/data/7c48b24f5/3644b54e536b4ab789a450884a991c75/FLAGdb991bc82 [2022-11-16 11:26:46,814 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:26:46,815 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/sv-benchmarks/c/floats-cbmc-regression/float22.i [2022-11-16 11:26:46,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/data/7c48b24f5/3644b54e536b4ab789a450884a991c75/FLAGdb991bc82 [2022-11-16 11:26:47,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/data/7c48b24f5/3644b54e536b4ab789a450884a991c75 [2022-11-16 11:26:47,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:26:47,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:26:47,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:47,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:26:47,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:26:47,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a934d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47, skipping insertion in model container [2022-11-16 11:26:47,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:26:47,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:26:47,461 WARN L229 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_ef77fb70-1638-4044-99a6-88c406cc70de/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2022-11-16 11:26:47,464 WARN L229 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_ef77fb70-1638-4044-99a6-88c406cc70de/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2022-11-16 11:26:47,466 WARN L229 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_ef77fb70-1638-4044-99a6-88c406cc70de/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2022-11-16 11:26:47,469 WARN L229 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_ef77fb70-1638-4044-99a6-88c406cc70de/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2022-11-16 11:26:47,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:47,483 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:26:47,526 WARN L229 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_ef77fb70-1638-4044-99a6-88c406cc70de/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2022-11-16 11:26:47,531 WARN L229 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_ef77fb70-1638-4044-99a6-88c406cc70de/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2022-11-16 11:26:47,534 WARN L229 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_ef77fb70-1638-4044-99a6-88c406cc70de/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2022-11-16 11:26:47,537 WARN L229 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_ef77fb70-1638-4044-99a6-88c406cc70de/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2022-11-16 11:26:47,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:47,563 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:26:47,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47 WrapperNode [2022-11-16 11:26:47,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:47,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:47,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:26:47,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:26:47,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,636 INFO L138 Inliner]: procedures = 21, calls = 80, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 249 [2022-11-16 11:26:47,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:47,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:26:47,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:26:47,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:26:47,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:26:47,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:26:47,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:26:47,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:26:47,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (1/1) ... [2022-11-16 11:26:47,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:47,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:47,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:47,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:26:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:26:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:26:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:26:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-16 11:26:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:26:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-16 11:26:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:26:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:26:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:26:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:26:47,977 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:26:47,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:26:48,678 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:26:48,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:26:48,687 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:26:48,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:26:48 BoogieIcfgContainer [2022-11-16 11:26:48,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:26:48,695 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:26:48,702 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:26:48,708 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:26:48,709 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:26:48,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:26:47" (1/3) ... [2022-11-16 11:26:48,711 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5936d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:26:48, skipping insertion in model container [2022-11-16 11:26:48,711 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:26:48,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:47" (2/3) ... [2022-11-16 11:26:48,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5936d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:26:48, skipping insertion in model container [2022-11-16 11:26:48,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:26:48,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:26:48" (3/3) ... [2022-11-16 11:26:48,714 INFO L332 chiAutomizerObserver]: Analyzing ICFG float22.i [2022-11-16 11:26:48,809 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:26:48,809 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:26:48,809 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:26:48,810 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:26:48,810 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:26:48,810 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:26:48,810 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:26:48,810 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:26:48,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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) [2022-11-16 11:26:48,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:26:48,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:26:48,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:26:48 BoogieIcfgContainer [2022-11-16 11:26:48,848 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:26:48,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:26:48,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:26:48,849 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:26:48,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:26:48" (3/4) ... [2022-11-16 11:26:48,854 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:26:48,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:26:48,857 INFO L158 Benchmark]: Toolchain (without parser) took 1706.41ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 45.1MB in the end (delta: 36.9MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-16 11:26:48,858 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 121.6MB. Free memory was 99.1MB in the beginning and 98.9MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:26:48,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.38ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 94.4MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:26:48,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.20ms. Allocated memory is still 121.6MB. Free memory was 94.4MB in the beginning and 91.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:26:48,861 INFO L158 Benchmark]: Boogie Preprocessor took 55.67ms. Allocated memory is still 121.6MB. Free memory was 91.7MB in the beginning and 89.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:26:48,862 INFO L158 Benchmark]: RCFGBuilder took 1000.23ms. Allocated memory is still 121.6MB. Free memory was 89.2MB in the beginning and 50.9MB in the end (delta: 38.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-16 11:26:48,863 INFO L158 Benchmark]: BuchiAutomizer took 153.12ms. Allocated memory is still 121.6MB. Free memory was 50.9MB in the beginning and 45.1MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:26:48,864 INFO L158 Benchmark]: Witness Printer took 6.05ms. Allocated memory is still 121.6MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:26:48,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 121.6MB. Free memory was 99.1MB in the beginning and 98.9MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.38ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 94.4MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.20ms. Allocated memory is still 121.6MB. Free memory was 94.4MB in the beginning and 91.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.67ms. Allocated memory is still 121.6MB. Free memory was 91.7MB in the beginning and 89.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.23ms. Allocated memory is still 121.6MB. Free memory was 89.2MB in the beginning and 50.9MB in the end (delta: 38.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 153.12ms. Allocated memory is still 121.6MB. Free memory was 50.9MB in the beginning and 45.1MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 6.05ms. Allocated memory is still 121.6MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:26:48,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef77fb70-1638-4044-99a6-88c406cc70de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE