./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/half.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY --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-47ea020 [2021-11-07 08:04:19,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:04:19,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:04:19,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:04:19,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:04:19,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:04:19,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:04:19,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:04:19,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:04:19,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:04:19,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:04:19,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:04:19,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:04:19,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:04:19,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:04:19,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:04:19,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:04:19,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:04:19,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:04:19,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:04:19,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:04:19,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:04:19,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:04:19,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:04:19,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:04:19,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:04:19,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:04:19,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:04:19,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:04:19,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:04:19,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:04:19,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:04:19,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:04:19,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:04:19,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:04:19,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:04:19,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:04:19,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:04:19,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:04:19,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:04:19,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:04:19,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 08:04:19,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:04:19,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:04:19,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:04:19,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:04:19,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:04:19,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:04:19,590 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:04:19,591 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 08:04:19,591 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 08:04:19,591 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 08:04:19,592 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 08:04:19,592 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 08:04:19,592 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 08:04:19,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:04:19,593 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:04:19,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:04:19,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:04:19,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:04:19,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:04:19,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 08:04:19,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 08:04:19,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 08:04:19,594 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:04:19,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:04:19,595 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 08:04:19,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:04:19,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 08:04:19,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:04:19,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:04:19,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:04:19,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:04:19,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:04:19,599 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 08:04:19,599 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_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8ea842760c1d795b2a0ad721eea8bf94078967bffa91c75f5537bf4a53b968 [2021-11-07 08:04:19,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:04:20,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:04:20,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:04:20,031 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:04:20,033 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:04:20,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/loop-new/half.i [2021-11-07 08:04:20,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/data/7d9ed4fd1/13673a8433c348cf94116f4dd1d389e9/FLAG2ea92fcac [2021-11-07 08:04:20,595 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:04:20,595 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/sv-benchmarks/c/loop-new/half.i [2021-11-07 08:04:20,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/data/7d9ed4fd1/13673a8433c348cf94116f4dd1d389e9/FLAG2ea92fcac [2021-11-07 08:04:20,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/data/7d9ed4fd1/13673a8433c348cf94116f4dd1d389e9 [2021-11-07 08:04:20,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:04:20,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:04:20,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:04:20,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:04:20,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:04:20,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:04:20" (1/1) ... [2021-11-07 08:04:20,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d6813b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:20, skipping insertion in model container [2021-11-07 08:04:20,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:04:20" (1/1) ... [2021-11-07 08:04:20,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:04:21,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:04:21,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/sv-benchmarks/c/loop-new/half.i[891,904] [2021-11-07 08:04:21,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:04:21,166 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:04:21,179 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/sv-benchmarks/c/loop-new/half.i[891,904] [2021-11-07 08:04:21,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:04:21,197 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:04:21,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21 WrapperNode [2021-11-07 08:04:21,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:04:21,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:04:21,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:04:21,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:04:21,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:04:21,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:04:21,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:04:21,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:04:21,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:04:21,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:04:21,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:04:21,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:04:21,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (1/1) ... [2021-11-07 08:04:21,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:21,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:21,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:21,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 08:04:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:04:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:04:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:04:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:04:21,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:04:21,652 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 08:04:21,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:04:21 BoogieIcfgContainer [2021-11-07 08:04:21,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:04:21,655 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 08:04:21,655 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 08:04:21,658 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 08:04:21,659 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:04:21,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 08:04:20" (1/3) ... [2021-11-07 08:04:21,661 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@655df0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:04:21, skipping insertion in model container [2021-11-07 08:04:21,661 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:04:21,662 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:21" (2/3) ... [2021-11-07 08:04:21,662 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@655df0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:04:21, skipping insertion in model container [2021-11-07 08:04:21,662 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:04:21,662 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:04:21" (3/3) ... [2021-11-07 08:04:21,664 INFO L389 chiAutomizerObserver]: Analyzing ICFG half.i [2021-11-07 08:04:21,739 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 08:04:21,739 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 08:04:21,739 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 08:04:21,740 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 08:04:21,740 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 08:04:21,740 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 08:04:21,740 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 08:04:21,740 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 08:04:21,754 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) [2021-11-07 08:04:21,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:04:21,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:21,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:21,779 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-07 08:04:21,779 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:04:21,779 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 08:04:21,780 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) [2021-11-07 08:04:21,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:04:21,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:21,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:21,798 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-07 08:04:21,798 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:04:21,806 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 7#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~post5, main_#t~post4, main_~i~0, main_~n~0, main_~k~0;main_~i~0 := 0;main_~n~0 := 0;main_~k~0 := main_#t~nondet3;havoc main_#t~nondet3; 11#L28true assume !!(main_~k~0 <= 1000000 && main_~k~0 >= -1000000);main_~i~0 := 0; 9#L29-3true [2021-11-07 08:04:21,806 INFO L793 eck$LassoCheckResult]: Loop: 9#L29-3true assume !!(main_~i~0 < 2 * main_~k~0); 5#L30true assume 0 == (if main_~i~0 < 0 && 0 != main_~i~0 % 2 then main_~i~0 % 2 - 2 else main_~i~0 % 2);main_#t~post5 := main_~n~0;main_~n~0 := 1 + main_#t~post5;havoc main_#t~post5; 15#L29-2true main_#t~post4 := main_~i~0;main_~i~0 := 1 + main_#t~post4;havoc main_#t~post4; 9#L29-3true [2021-11-07 08:04:21,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:21,812 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-07 08:04:21,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:21,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518183989] [2021-11-07 08:04:21,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:21,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:21,919 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:21,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:22,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash 44786, now seen corresponding path program 1 times [2021-11-07 08:04:22,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:22,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228342261] [2021-11-07 08:04:22,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:22,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:22,041 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:22,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:22,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:22,067 INFO L85 PathProgramCache]: Analyzing trace with hash 889574255, now seen corresponding path program 1 times [2021-11-07 08:04:22,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:22,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413807353] [2021-11-07 08:04:22,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:22,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:22,114 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:22,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:22,245 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:22,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:22,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:22,246 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:22,246 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:04:22,246 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:22,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:22,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2021-11-07 08:04:22,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:22,247 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:22,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,362 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:22,362 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:04:22,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:22,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:22,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:22,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:22,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-07 08:04:22,412 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:22,413 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:22,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:22,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:22,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:22,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:22,469 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:22,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-07 08:04:22,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:22,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:22,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:22,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 08:04:22,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:04:22,548 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:22,624 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:22,624 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0=0} Honda state: {ULTIMATE.start_main_~n~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~n~0=-1}, {ULTIMATE.start_main_~n~0=-1}, {ULTIMATE.start_main_~n~0=3}] Lambdas: [1, 4, 1] Nus: [0, 1] [2021-11-07 08:04:22,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:22,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:22,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:22,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 08:04:22,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:22,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:22,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:22,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:22,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:22,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 08:04:22,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:04:22,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:22,857 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:04:22,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:22,863 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:22,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:22,863 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:22,863 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:22,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:04:22,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:22,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:22,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2021-11-07 08:04:22,864 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:22,864 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:22,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,960 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:22,965 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:04:22,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:22,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:22,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 08:04:22,970 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 [2021-11-07 08:04:22,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:22,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:22,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:22,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:22,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:22,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:22,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:22,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:23,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:23,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:23,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:23,012 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:23,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 08:04:23,014 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 [2021-11-07 08:04:23,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:23,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:23,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:23,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:23,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:23,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:23,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:23,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:23,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-07 08:04:23,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:23,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:23,050 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:23,056 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 [2021-11-07 08:04:23,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-07 08:04:23,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:23,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:23,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:23,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:23,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:23,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:23,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:23,084 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:04:23,113 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-07 08:04:23,113 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-07 08:04:23,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:23,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:23,126 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:23,141 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:04:23,141 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-07 08:04:23,141 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:04:23,142 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~k~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-11-07 08:04:23,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-07 08:04:23,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:23,182 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-07 08:04:23,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:23,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:04:23,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:23,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 08:04:23,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:23,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:04:23,341 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 [2021-11-07 08:04:23,343 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) [2021-11-07 08:04:23,397 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. [2021-11-07 08:04:23,398 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 [2021-11-07 08:04:23,399 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) [2021-11-07 08:04:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2021-11-07 08:04:23,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-07 08:04:23,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:23,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-07 08:04:23,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:23,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-07 08:04:23,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:23,404 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2021-11-07 08:04:23,408 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 08:04:23,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2021-11-07 08:04:23,411 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-07 08:04:23,411 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-07 08:04:23,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-07 08:04:23,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:04:23,412 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:04:23,412 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:04:23,412 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:04:23,412 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 08:04:23,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:04:23,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 08:04:23,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-07 08:04:23,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 08:04:23 BoogieIcfgContainer [2021-11-07 08:04:23,418 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 08:04:23,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:04:23,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:04:23,419 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:04:23,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:04:21" (3/4) ... [2021-11-07 08:04:23,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 08:04:23,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:04:23,425 INFO L168 Benchmark]: Toolchain (without parser) took 2456.16 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 61.0 MB in the beginning and 65.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:04:23,426 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory was 77.4 MB in the beginning and 77.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:04:23,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.74 ms. Allocated memory is still 100.7 MB. Free memory was 60.8 MB in the beginning and 51.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:04:23,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.27 ms. Allocated memory is still 100.7 MB. Free memory was 51.2 MB in the beginning and 49.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:04:23,427 INFO L168 Benchmark]: Boogie Preprocessor took 21.20 ms. Allocated memory is still 100.7 MB. Free memory was 49.7 MB in the beginning and 48.7 MB in the end (delta: 994.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:04:23,428 INFO L168 Benchmark]: RCFGBuilder took 397.45 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 48.6 MB in the beginning and 100.6 MB in the end (delta: -52.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-11-07 08:04:23,429 INFO L168 Benchmark]: BuchiAutomizer took 1763.76 ms. Allocated memory is still 130.0 MB. Free memory was 100.6 MB in the beginning and 66.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-11-07 08:04:23,429 INFO L168 Benchmark]: Witness Printer took 4.09 ms. Allocated memory is still 130.0 MB. Free memory was 66.5 MB in the beginning and 65.9 MB in the end (delta: 649.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:04:23,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory was 77.4 MB in the beginning and 77.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 217.74 ms. Allocated memory is still 100.7 MB. Free memory was 60.8 MB in the beginning and 51.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.27 ms. Allocated memory is still 100.7 MB. Free memory was 51.2 MB in the beginning and 49.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.20 ms. Allocated memory is still 100.7 MB. Free memory was 49.7 MB in the beginning and 48.7 MB in the end (delta: 994.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 397.45 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 48.6 MB in the beginning and 100.6 MB in the end (delta: -52.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1763.76 ms. Allocated memory is still 130.0 MB. Free memory was 100.6 MB in the beginning and 66.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.09 ms. Allocated memory is still 130.0 MB. Free memory was 66.5 MB in the beginning and 65.9 MB in the end (delta: 649.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * k + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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: 11 SDtfs, 17 SDslu, 10 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time 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: 21ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-07 08:04:23,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:23,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4fbaa0a-38a4-4994-88ef-be8a1d43077b/bin/uautomizer-AkOaLMaTGY/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