./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/half.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/half.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL --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 cd8ea842760c1d795b2a0ad721eea8bf94078967bffa91c75f5537bf4a53b968 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:08:56,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:08:56,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:08:56,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:08:56,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:08:56,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:08:56,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:08:56,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:08:56,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:08:56,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:08:56,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:08:56,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:08:56,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:08:56,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:08:56,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:08:56,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:08:56,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:08:56,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:08:56,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:08:56,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:08:56,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:08:56,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:08:56,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:08:56,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:08:56,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:08:56,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:08:56,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:08:56,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:08:56,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:08:56,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:08:56,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:08:56,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:08:56,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:08:56,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:08:56,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:08:56,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:08:56,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:08:56,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:08:56,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:08:56,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:08:56,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:08:56,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-19 04:08:56,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:08:56,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:08:56,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:08:56,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:08:56,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:08:56,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:08:56,836 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:08:56,836 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 04:08:56,837 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 04:08:56,837 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 04:08:56,838 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 04:08:56,839 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 04:08:56,839 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 04:08:56,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:08:56,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:08:56,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:08:56,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:08:56,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:08:56,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:08:56,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 04:08:56,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 04:08:56,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 04:08:56,842 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:08:56,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:08:56,843 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 04:08:56,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:08:56,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 04:08:56,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:08:56,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:08:56,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:08:56,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:08:56,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:08:56,849 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 04:08:56,849 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_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8ea842760c1d795b2a0ad721eea8bf94078967bffa91c75f5537bf4a53b968 [2021-11-19 04:08:57,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:08:57,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:08:57,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:08:57,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:08:57,320 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:08:57,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/loop-new/half.i [2021-11-19 04:08:57,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/data/bc6a987a3/ba7ef90f6a1443aca95e069d67225040/FLAG6763dc42e [2021-11-19 04:08:57,933 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:08:57,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/sv-benchmarks/c/loop-new/half.i [2021-11-19 04:08:57,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/data/bc6a987a3/ba7ef90f6a1443aca95e069d67225040/FLAG6763dc42e [2021-11-19 04:08:58,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/data/bc6a987a3/ba7ef90f6a1443aca95e069d67225040 [2021-11-19 04:08:58,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:08:58,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:08:58,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:08:58,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:08:58,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:08:58,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf777c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58, skipping insertion in model container [2021-11-19 04:08:58,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:08:58,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:08:58,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/sv-benchmarks/c/loop-new/half.i[891,904] [2021-11-19 04:08:58,591 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:08:58,605 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:08:58,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/sv-benchmarks/c/loop-new/half.i[891,904] [2021-11-19 04:08:58,635 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:08:58,656 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:08:58,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58 WrapperNode [2021-11-19 04:08:58,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:08:58,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:08:58,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:08:58,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:08:58,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,706 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-19 04:08:58,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:08:58,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:08:58,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:08:58,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:08:58,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:08:58,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:08:58,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:08:58,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:08:58,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (1/1) ... [2021-11-19 04:08:58,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:08:58,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:08:58,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:08:58,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 04:08:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:08:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:08:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:08:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:08:58,934 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:08:58,936 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:08:59,028 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:08:59,035 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:08:59,035 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 04:08:59,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59 BoogieIcfgContainer [2021-11-19 04:08:59,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:08:59,039 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 04:08:59,039 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 04:08:59,043 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 04:08:59,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:08:59,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 04:08:58" (1/3) ... [2021-11-19 04:08:59,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d3aaf19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:08:59, skipping insertion in model container [2021-11-19 04:08:59,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:08:59,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58" (2/3) ... [2021-11-19 04:08:59,052 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d3aaf19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:08:59, skipping insertion in model container [2021-11-19 04:08:59,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:08:59,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59" (3/3) ... [2021-11-19 04:08:59,054 INFO L388 chiAutomizerObserver]: Analyzing ICFG half.i [2021-11-19 04:08:59,112 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 04:08:59,113 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 04:08:59,113 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 04:08:59,113 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 04:08:59,113 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 04:08:59,114 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 04:08:59,114 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 04:08:59,114 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 04:08:59,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-11-19 04:08:59,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-19 04:08:59,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:08:59,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:08:59,216 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-19 04:08:59,216 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 04:08:59,217 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 04:08:59,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-11-19 04:08:59,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-19 04:08:59,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 04:08:59,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 04:08:59,221 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-19 04:08:59,221 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 04:08:59,230 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post3#1, main_#t~post2#1, main_~i~0#1, main_~n~0#1, main_~k~0#1;main_~i~0#1 := 0;main_~n~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 11#L28true assume !!(main_~k~0#1 <= 1000000 && main_~k~0#1 >= -1000000);main_~i~0#1 := 0; 9#L29-3true [2021-11-19 04:08:59,235 INFO L793 eck$LassoCheckResult]: Loop: 9#L29-3true assume !!(main_~i~0#1 < 2 * main_~k~0#1); 5#L30true assume 0 == (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % 2 then main_~i~0#1 % 2 - 2 else main_~i~0#1 % 2);main_#t~post3#1 := main_~n~0#1;main_~n~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 15#L29-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 9#L29-3true [2021-11-19 04:08:59,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:08:59,243 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-19 04:08:59,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:08:59,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396811846] [2021-11-19 04:08:59,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:08:59,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:08:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:08:59,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:08:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:08:59,413 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:08:59,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:08:59,417 INFO L85 PathProgramCache]: Analyzing trace with hash 44786, now seen corresponding path program 1 times [2021-11-19 04:08:59,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:08:59,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222912762] [2021-11-19 04:08:59,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:08:59,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:08:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:08:59,448 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:08:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:08:59,466 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:08:59,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:08:59,469 INFO L85 PathProgramCache]: Analyzing trace with hash 889574255, now seen corresponding path program 1 times [2021-11-19 04:08:59,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:08:59,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642485470] [2021-11-19 04:08:59,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:08:59,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:08:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:08:59,491 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:08:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:08:59,540 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:08:59,704 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 04:08:59,705 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 04:08:59,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 04:08:59,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 04:08:59,706 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 04:08:59,706 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:08:59,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 04:08:59,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 04:08:59,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2021-11-19 04:08:59,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 04:08:59,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 04:08:59,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:08:59,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:08:59,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:08:59,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:08:59,889 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 04:08:59,890 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 04:08:59,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:08:59,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:08:59,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:08:59,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 04:08:59,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 04:08:59,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-19 04:08:59,938 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 04:08:59,938 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 04:08:59,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 04:08:59,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:08:59,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:08:59,985 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:08:59,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 04:08:59,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 04:09:00,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-19 04:09:00,025 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 04:09:00,025 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 04:09:00,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-19 04:09:00,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:09:00,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:09:00,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:09:00,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-19 04:09:00,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 04:09:00,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 04:09:00,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-19 04:09:00,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:09:00,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:09:00,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:09:00,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-19 04:09:00,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 04:09:00,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 04:09:00,383 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 04:09:00,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-19 04:09:00,387 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 04:09:00,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 04:09:00,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 04:09:00,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 04:09:00,387 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 04:09:00,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:09:00,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 04:09:00,388 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 04:09:00,388 INFO L133 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2021-11-19 04:09:00,388 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 04:09:00,388 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 04:09:00,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:09:00,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:09:00,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:09:00,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 04:09:00,511 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 04:09:00,518 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 04:09:00,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:09:00,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:09:00,525 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:09:00,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:09:00,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:09:00,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:09:00,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:09:00,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:09:00,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:09:00,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:09:00,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:09:00,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-19 04:09:00,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:09:00,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-19 04:09:00,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:09:00,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:09:00,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:09:00,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-19 04:09:00,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:09:00,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:09:00,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:09:00,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:09:00,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:09:00,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:09:00,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:09:00,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:09:00,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 04:09:00,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-19 04:09:00,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:09:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:09:00,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:09:00,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 04:09:00,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-19 04:09:00,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 04:09:00,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 04:09:00,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 04:09:00,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 04:09:00,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 04:09:00,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 04:09:00,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 04:09:00,732 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 04:09:00,741 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-19 04:09:00,741 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-19 04:09:00,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:09:00,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:09:00,747 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:09:00,773 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 04:09:00,773 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 04:09:00,773 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 04:09:00,774 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~k~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 2*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2021-11-19 04:09:00,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-19 04:09:00,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-19 04:09:00,823 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-19 04:09:00,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:09:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:09:00,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 04:09:00,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:09:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:09:00,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 04:09:00,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:09:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:09:01,039 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-19 04:09:01,041 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-19 04:09:01,104 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Result 33 states and 41 transitions. Complement of second has 7 states. [2021-11-19 04:09:01,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-19 04:09:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-19 04:09:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2021-11-19 04:09:01,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-19 04:09:01,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:09:01,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-19 04:09:01,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:09:01,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-19 04:09:01,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 04:09:01,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2021-11-19 04:09:01,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 04:09:01,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2021-11-19 04:09:01,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-19 04:09:01,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-19 04:09:01,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-19 04:09:01,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:09:01,124 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 04:09:01,124 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 04:09:01,125 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 04:09:01,125 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 04:09:01,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-19 04:09:01,125 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 04:09:01,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-19 04:09:01,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 04:09:01 BoogieIcfgContainer [2021-11-19 04:09:01,133 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 04:09:01,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:09:01,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:09:01,137 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:09:01,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59" (3/4) ... [2021-11-19 04:09:01,141 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 04:09:01,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:09:01,142 INFO L158 Benchmark]: Toolchain (without parser) took 2868.96ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 50.5MB in the beginning and 51.6MB in the end (delta: -1.1MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-19 04:09:01,143 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:09:01,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.39ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 50.3MB in the beginning and 84.3MB in the end (delta: -34.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-19 04:09:01,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.65ms. Allocated memory is still 107.0MB. Free memory was 84.3MB in the beginning and 82.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:09:01,146 INFO L158 Benchmark]: Boogie Preprocessor took 50.97ms. Allocated memory is still 107.0MB. Free memory was 82.6MB in the beginning and 81.7MB in the end (delta: 953.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:09:01,147 INFO L158 Benchmark]: RCFGBuilder took 278.70ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 72.8MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 04:09:01,147 INFO L158 Benchmark]: BuchiAutomizer took 2094.22ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 51.6MB in the end (delta: 21.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-19 04:09:01,148 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 107.0MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:09:01,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.39ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 50.3MB in the beginning and 84.3MB in the end (delta: -34.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.65ms. Allocated memory is still 107.0MB. Free memory was 84.3MB in the beginning and 82.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.97ms. Allocated memory is still 107.0MB. Free memory was 82.6MB in the beginning and 81.7MB in the end (delta: 953.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.70ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 72.8MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2094.22ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 51.6MB in the end (delta: 21.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 107.0MB. Free memory is still 51.6MB. 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + 2 * k and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp77 ukn100 mio100 lsp100 div317 bol100 ite100 ukn100 eq148 hnf50 smp92 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-19 04:09:01,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-19 04:09:01,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fcd96b-ae92-46f3-9d58-11931c8112e9/bin/uautomizer-ZXIjhQolGL/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