./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/hhk2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/hhk2008.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G --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 71a7284f447428ecffa93ec68ad1c6e5855fc63e0841f7f396bb4f1c281c6b13 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:34:52,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:34:52,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:34:52,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:34:52,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:34:52,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:34:52,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:34:52,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:34:52,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:34:52,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:34:52,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:34:52,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:34:52,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:34:52,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:34:52,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:34:52,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:34:52,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:34:52,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:34:52,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:34:52,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:34:52,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:34:52,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:34:52,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:34:52,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:34:52,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:34:52,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:34:52,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:34:52,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:34:52,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:34:52,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:34:52,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:34:52,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:34:52,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:34:52,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:34:52,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:34:52,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:34:52,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:34:52,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:34:52,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:34:52,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:34:52,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:34:52,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 13:34:52,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:34:52,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:34:52,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:34:52,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:34:52,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:34:52,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:34:52,431 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:34:52,431 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:34:52,431 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:34:52,431 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:34:52,433 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:34:52,433 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:34:52,433 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:34:52,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:34:52,434 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:34:52,434 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:34:52,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:34:52,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:34:52,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:34:52,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:34:52,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:34:52,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:34:52,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:34:52,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:34:52,436 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:34:52,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:34:52,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:34:52,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:34:52,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:34:52,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:34:52,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:34:52,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:34:52,439 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:34:52,440 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_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71a7284f447428ecffa93ec68ad1c6e5855fc63e0841f7f396bb4f1c281c6b13 [2021-11-23 13:34:52,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:34:52,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:34:52,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:34:52,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:34:52,743 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:34:52,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/loop-lit/hhk2008.i [2021-11-23 13:34:52,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/data/9f3fb2221/36bc80567405477883dfc2a15a434f68/FLAG2c162f013 [2021-11-23 13:34:53,277 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:34:53,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/sv-benchmarks/c/loop-lit/hhk2008.i [2021-11-23 13:34:53,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/data/9f3fb2221/36bc80567405477883dfc2a15a434f68/FLAG2c162f013 [2021-11-23 13:34:53,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/data/9f3fb2221/36bc80567405477883dfc2a15a434f68 [2021-11-23 13:34:53,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:34:53,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:34:53,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:34:53,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:34:53,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:34:53,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:53,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1696d9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53, skipping insertion in model container [2021-11-23 13:34:53,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:53,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:34:53,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:34:53,902 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_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/sv-benchmarks/c/loop-lit/hhk2008.i[895,908] [2021-11-23 13:34:53,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:34:53,928 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:34:53,943 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_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/sv-benchmarks/c/loop-lit/hhk2008.i[895,908] [2021-11-23 13:34:53,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:34:53,971 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:34:53,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53 WrapperNode [2021-11-23 13:34:53,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:34:53,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:34:53,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:34:53,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:34:53,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:53,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:54,012 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2021-11-23 13:34:54,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:34:54,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:34:54,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:34:54,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:34:54,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:54,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:54,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:54,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:54,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:54,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:54,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:54,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:34:54,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:34:54,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:34:54,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:34:54,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (1/1) ... [2021-11-23 13:34:54,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:54,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:34:54,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:34:54,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:34:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:34:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:34:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:34:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:34:54,204 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:34:54,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:34:54,294 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:34:54,300 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:34:54,300 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:34:54,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:54 BoogieIcfgContainer [2021-11-23 13:34:54,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:34:54,303 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:34:54,304 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:34:54,308 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:34:54,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:34:54,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:34:53" (1/3) ... [2021-11-23 13:34:54,310 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56c6534d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:34:54, skipping insertion in model container [2021-11-23 13:34:54,310 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:34:54,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:53" (2/3) ... [2021-11-23 13:34:54,311 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56c6534d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:34:54, skipping insertion in model container [2021-11-23 13:34:54,311 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:34:54,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:54" (3/3) ... [2021-11-23 13:34:54,313 INFO L388 chiAutomizerObserver]: Analyzing ICFG hhk2008.i [2021-11-23 13:34:54,364 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:34:54,364 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:34:54,365 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:34:54,365 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:34:54,365 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:34:54,365 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:34:54,365 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:34:54,365 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:34:54,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-11-23 13:34:54,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 13:34:54,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:34:54,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:34:54,408 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-23 13:34:54,408 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 13:34:54,408 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 13:34:54,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-11-23 13:34:54,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 13:34:54,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:34:54,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:34:54,416 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-23 13:34:54,417 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 13:34:54,425 INFO L791 eck$LassoCheckResult]: Stem: 6#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); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~a~0#1, main_~b~0#1, main_~res~0#1, main_~cnt~0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_~res~0#1;havoc main_~cnt~0#1; 9#L28true assume !!(main_~a~0#1 <= 1000000); 10#L29true assume !!(0 <= main_~b~0#1 && main_~b~0#1 <= 1000000);main_~res~0#1 := main_~a~0#1;main_~cnt~0#1 := main_~b~0#1; 3#L32-2true [2021-11-23 13:34:54,425 INFO L793 eck$LassoCheckResult]: Loop: 3#L32-2true assume !!(main_~cnt~0#1 > 0);main_~cnt~0#1 := main_~cnt~0#1 - 1;main_~res~0#1 := 1 + main_~res~0#1; 3#L32-2true [2021-11-23 13:34:54,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:34:54,433 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-23 13:34:54,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:34:54,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842614602] [2021-11-23 13:34:54,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:34:54,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:34:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:34:54,522 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:34:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:34:54,550 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:34:54,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:34:54,554 INFO L85 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2021-11-23 13:34:54,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:34:54,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864312801] [2021-11-23 13:34:54,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:34:54,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:34:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:34:54,562 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:34:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:34:54,568 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:34:54,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:34:54,570 INFO L85 PathProgramCache]: Analyzing trace with hash 28695853, now seen corresponding path program 1 times [2021-11-23 13:34:54,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:34:54,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812988325] [2021-11-23 13:34:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:34:54,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:34:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:34:54,585 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:34:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:34:54,600 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:34:54,663 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:34:54,664 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:34:54,664 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:34:54,665 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:34:54,665 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:34:54,665 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:54,665 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:34:54,665 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:34:54,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2021-11-23 13:34:54,666 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:34:54,666 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:34:54,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:34:54,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:34:54,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:34:54,763 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:34:54,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:54,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:34:54,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:34:54,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:34:54,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:34:54,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 13:34:54,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:34:54,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:54,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:34:54,886 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:34:54,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:34:54,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:34:54,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 13:34:54,935 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:34:54,936 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0#1=-6}, {ULTIMATE.start_main_~res~0#1=7}, {ULTIMATE.start_main_~res~0#1=0}] Lambdas: [1, 1, 13] Nus: [0, 0] [2021-11-23 13:34:54,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:34:54,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:34:54,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:34:54,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 13:34:54,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:34:54,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:34:55,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:34:55,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:55,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:34:55,048 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:34:55,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:34:55,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:34:55,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 13:34:55,105 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:34:55,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 13:34:55,114 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:34:55,114 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:34:55,114 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:34:55,114 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:34:55,114 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:34:55,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:55,115 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:34:55,115 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:34:55,115 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2021-11-23 13:34:55,115 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:34:55,115 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:34:55,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:34:55,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:34:55,201 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:34:55,206 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:34:55,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:55,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:34:55,209 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:34:55,217 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 [2021-11-23 13:34:55,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:34:55,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:34:55,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:34:55,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:34:55,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:34:55,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:34:55,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:34:55,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 13:34:55,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:34:55,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 13:34:55,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:55,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:34:55,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:34:55,296 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 [2021-11-23 13:34:55,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:34:55,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:34:55,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:34:55,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:34:55,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:34:55,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 13:34:55,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:34:55,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:34:55,337 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 13:34:55,341 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-23 13:34:55,341 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-23 13:34:55,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:34:55,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:34:55,345 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:34:55,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 13:34:55,383 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 13:34:55,383 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 13:34:55,383 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 13:34:55,383 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~cnt~0#1) = 1*ULTIMATE.start_main_~cnt~0#1 Supporting invariants [] [2021-11-23 13:34:55,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 13:34:55,407 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 13:34:55,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:34:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:34:55,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:34:55,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:34:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:34:55,466 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 13:34:55,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:34:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:34:55,515 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-23 13:34:55,517 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-23 13:34:55,557 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 30 states and 36 transitions. Complement of second has 5 states. [2021-11-23 13:34:55,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-23 13:34:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-23 13:34:55,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-11-23 13:34:55,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 1 letters. [2021-11-23 13:34:55,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:34:55,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2021-11-23 13:34:55,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:34:55,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-23 13:34:55,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:34:55,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2021-11-23 13:34:55,584 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:34:55,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2021-11-23 13:34:55,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 13:34:55,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 13:34:55,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 13:34:55,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:34:55,587 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:34:55,587 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:34:55,587 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:34:55,587 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 13:34:55,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:34:55,588 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:34:55,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 13:34:55,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:34:55 BoogieIcfgContainer [2021-11-23 13:34:55,594 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:34:55,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:34:55,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:34:55,596 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:34:55,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:54" (3/4) ... [2021-11-23 13:34:55,600 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:34:55,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:34:55,602 INFO L158 Benchmark]: Toolchain (without parser) took 1931.45ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 75.3MB in the beginning and 64.2MB in the end (delta: 11.0MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2021-11-23 13:34:55,603 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:34:55,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.07ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 75.3MB in the beginning and 116.3MB in the end (delta: -41.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:34:55,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.48ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 114.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:34:55,612 INFO L158 Benchmark]: Boogie Preprocessor took 38.40ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 113.6MB in the end (delta: 960.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:34:55,612 INFO L158 Benchmark]: RCFGBuilder took 249.89ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 105.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:34:55,613 INFO L158 Benchmark]: BuchiAutomizer took 1290.88ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 64.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 13:34:55,614 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 142.6MB. Free memory was 64.8MB in the beginning and 64.2MB in the end (delta: 569.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:34:55,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.07ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 75.3MB in the beginning and 116.3MB in the end (delta: -41.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.48ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 114.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.40ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 113.6MB in the end (delta: 960.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 249.89ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 105.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1290.88ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 64.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 142.6MB. Free memory was 64.8MB in the beginning and 64.2MB in the end (delta: 569.1kB). 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 cnt and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 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! [2021-11-23 13:34:55,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 13:34:55,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6006eb-f4bc-48c8-b1f3-1ab1bb2b8437/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE