./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float13.c --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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/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 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 --- 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 11:26:02,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:26:02,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:26:02,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:26:02,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:26:02,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:26:02,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:26:02,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:26:02,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:26:02,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:26:02,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:26:02,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:26:02,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:26:02,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:26:02,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:26:02,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:26:02,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:26:02,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:26:02,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:26:02,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:26:02,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:26:02,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:26:02,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:26:02,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:26:02,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:26:02,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:26:02,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:26:02,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:26:02,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:26:02,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:26:02,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:26:02,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:26:02,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:26:02,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:26:02,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:26:02,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:26:02,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:26:02,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:26:02,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:26:02,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:26:02,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:26:02,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:26:02,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:26:02,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:26:02,723 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:26:02,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:26:02,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:26:02,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:26:02,725 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:26:02,725 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:26:02,726 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:26:02,726 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:26:02,727 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:26:02,727 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:26:02,727 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:26:02,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:26:02,728 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:26:02,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:26:02,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:26:02,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:26:02,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:26:02,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:26:02,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:26:02,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:26:02,730 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:26:02,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:26:02,732 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:26:02,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:26:02,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:26:02,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:26:02,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:26:02,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:26:02,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:26:02,734 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:26:02,734 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 [2022-11-16 11:26:03,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:26:03,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:26:03,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:26:03,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:26:03,158 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:26:03,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/floats-cbmc-regression/float13.c [2022-11-16 11:26:03,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/data/c05838ddf/af9416009605474b8969fe94223b4346/FLAG8ab01f34e [2022-11-16 11:26:03,869 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:26:03,870 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c [2022-11-16 11:26:03,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/data/c05838ddf/af9416009605474b8969fe94223b4346/FLAG8ab01f34e [2022-11-16 11:26:04,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/data/c05838ddf/af9416009605474b8969fe94223b4346 [2022-11-16 11:26:04,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:26:04,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:26:04,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:04,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:26:04,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:26:04,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21bc48db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04, skipping insertion in model container [2022-11-16 11:26:04,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:26:04,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:26:04,511 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2022-11-16 11:26:04,514 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2022-11-16 11:26:04,516 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2022-11-16 11:26:04,519 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2022-11-16 11:26:04,522 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2022-11-16 11:26:04,523 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2022-11-16 11:26:04,525 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2022-11-16 11:26:04,527 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2022-11-16 11:26:04,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:04,542 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:26:04,561 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2022-11-16 11:26:04,564 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2022-11-16 11:26:04,569 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2022-11-16 11:26:04,571 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2022-11-16 11:26:04,573 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2022-11-16 11:26:04,575 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2022-11-16 11:26:04,580 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2022-11-16 11:26:04,582 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_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2022-11-16 11:26:04,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:04,608 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:26:04,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04 WrapperNode [2022-11-16 11:26:04,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:04,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:04,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:26:04,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:26:04,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,666 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2022-11-16 11:26:04,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:04,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:26:04,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:26:04,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:26:04,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,704 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:26:04,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:26:04,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:26:04,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:26:04,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (1/1) ... [2022-11-16 11:26:04,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:04,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:04,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:04,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:26:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:26:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:26:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:26:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:26:04,864 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:26:04,866 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:26:04,986 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:26:04,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:26:04,993 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:26:04,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:26:04 BoogieIcfgContainer [2022-11-16 11:26:04,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:26:04,996 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:26:04,997 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:26:05,003 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:26:05,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:26:05,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:26:04" (1/3) ... [2022-11-16 11:26:05,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2af758b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:26:05, skipping insertion in model container [2022-11-16 11:26:05,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:26:05,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:04" (2/3) ... [2022-11-16 11:26:05,007 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2af758b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:26:05, skipping insertion in model container [2022-11-16 11:26:05,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:26:05,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:26:04" (3/3) ... [2022-11-16 11:26:05,008 INFO L332 chiAutomizerObserver]: Analyzing ICFG float13.c [2022-11-16 11:26:05,071 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:26:05,072 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:26:05,072 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:26:05,072 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:26:05,072 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:26:05,072 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:26:05,072 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:26:05,073 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:26:05,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 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 11:26:05,099 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:26:05,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:26:05,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:26:05 BoogieIcfgContainer [2022-11-16 11:26:05,106 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:26:05,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:26:05,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:26:05,108 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:26:05,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:26:04" (3/4) ... [2022-11-16 11:26:05,112 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:26:05,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:26:05,115 INFO L158 Benchmark]: Toolchain (without parser) took 904.53ms. Allocated memory is still 153.1MB. Free memory was 119.5MB in the beginning and 110.3MB in the end (delta: 9.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-16 11:26:05,116 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:26:05,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.99ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 128.6MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:26:05,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.03ms. Allocated memory is still 153.1MB. Free memory was 128.6MB in the beginning and 127.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:26:05,119 INFO L158 Benchmark]: Boogie Preprocessor took 38.83ms. Allocated memory is still 153.1MB. Free memory was 127.1MB in the beginning and 126.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:26:05,120 INFO L158 Benchmark]: RCFGBuilder took 286.56ms. Allocated memory is still 153.1MB. Free memory was 126.0MB in the beginning and 116.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:26:05,120 INFO L158 Benchmark]: BuchiAutomizer took 109.86ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 110.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:26:05,121 INFO L158 Benchmark]: Witness Printer took 5.64ms. Allocated memory is still 153.1MB. Free memory was 110.8MB in the beginning and 110.3MB in the end (delta: 463.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:26:05,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.99ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 128.6MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.03ms. Allocated memory is still 153.1MB. Free memory was 128.6MB in the beginning and 127.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.83ms. Allocated memory is still 153.1MB. Free memory was 127.1MB in the beginning and 126.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.56ms. Allocated memory is still 153.1MB. Free memory was 126.0MB in the beginning and 116.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 109.86ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 110.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 5.64ms. Allocated memory is still 153.1MB. Free memory was 110.8MB in the beginning and 110.3MB in the end (delta: 463.5kB). 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 11:26:05,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88bf332-4292-4a7e-a8f7-bb8b5e80faeb/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