./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0 --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 64bit --witnessprinter.graph.data.programhash 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:45:03,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:45:03,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:45:03,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:45:03,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:45:03,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:45:03,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:45:03,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:45:03,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:45:03,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:45:03,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:45:03,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:45:03,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:45:03,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:45:03,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:45:03,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:45:03,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:45:03,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:45:03,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:45:03,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:45:03,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:45:03,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:45:03,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:45:03,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:45:03,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:45:03,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:45:03,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:45:03,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:45:03,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:45:03,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:45:03,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:45:03,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:45:03,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:45:03,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:45:03,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:45:03,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:45:03,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:45:03,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:45:03,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:45:03,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:45:03,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:45:03,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-22 14:45:03,340 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:45:03,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:45:03,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:45:03,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:45:03,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:45:03,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:45:03,344 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:45:03,345 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 14:45:03,345 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 14:45:03,345 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 14:45:03,347 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 14:45:03,347 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 14:45:03,347 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 14:45:03,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:45:03,348 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 14:45:03,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:45:03,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:45:03,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 14:45:03,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 14:45:03,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 14:45:03,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:45:03,350 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 14:45:03,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:45:03,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 14:45:03,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:45:03,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:45:03,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:45:03,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:45:03,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:45:03,356 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 14:45:03,356 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_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f [2021-11-22 14:45:03,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:45:03,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:45:03,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:45:03,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:45:03,729 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:45:03,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2021-11-22 14:45:03,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/data/6dc75c2aa/88f930809b764d48880b82c7d676843b/FLAG08bfd356f [2021-11-22 14:45:04,438 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:45:04,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2021-11-22 14:45:04,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/data/6dc75c2aa/88f930809b764d48880b82c7d676843b/FLAG08bfd356f [2021-11-22 14:45:04,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/data/6dc75c2aa/88f930809b764d48880b82c7d676843b [2021-11-22 14:45:04,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:45:04,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:45:04,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:45:04,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:45:04,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:45:04,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:04" (1/1) ... [2021-11-22 14:45:04,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c3b86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:04, skipping insertion in model container [2021-11-22 14:45:04,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:04" (1/1) ... [2021-11-22 14:45:04,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:45:04,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:45:05,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:45:05,227 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:45:05,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:45:05,334 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:45:05,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05 WrapperNode [2021-11-22 14:45:05,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:45:05,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:45:05,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:45:05,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:45:05,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,387 INFO L137 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2021-11-22 14:45:05,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:45:05,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:45:05,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:45:05,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:45:05,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:45:05,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:45:05,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:45:05,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:45:05,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (1/1) ... [2021-11-22 14:45:05,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:05,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:05,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:05,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 14:45:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:45:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:45:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:45:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:45:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:45:05,703 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:45:05,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:45:05,830 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:45:05,836 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:45:05,837 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 14:45:05,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:05 BoogieIcfgContainer [2021-11-22 14:45:05,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:45:05,841 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 14:45:05,841 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 14:45:05,845 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 14:45:05,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:45:05,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 02:45:04" (1/3) ... [2021-11-22 14:45:05,848 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5febf173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:45:05, skipping insertion in model container [2021-11-22 14:45:05,848 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:45:05,849 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:05" (2/3) ... [2021-11-22 14:45:05,850 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5febf173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:45:05, skipping insertion in model container [2021-11-22 14:45:05,850 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:45:05,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:05" (3/3) ... [2021-11-22 14:45:05,853 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca-1.i [2021-11-22 14:45:05,925 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 14:45:05,925 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 14:45:05,925 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 14:45:05,926 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 14:45:05,926 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 14:45:05,926 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 14:45:05,926 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 14:45:05,927 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 14:45:05,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-11-22 14:45:05,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-22 14:45:05,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:45:05,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:45:05,990 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-22 14:45:05,990 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-22 14:45:05,990 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 14:45:05,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-11-22 14:45:05,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-22 14:45:05,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:45:05,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:45:05,995 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-22 14:45:05,995 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-22 14:45:06,004 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;main_~length~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8#L557true assume !(main_~length~0#1 < 1); 7#L557-2true assume !(main_~n~0#1 < 1); 6#L560-1true assume !(main_~n~0#1 > main_~length~0#1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;assume { :begin_inline_cbzero } true;cbzero_#in~b#1.base, cbzero_#in~b#1.offset, cbzero_#in~length#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~n~0#1;havoc cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, cbzero_#t~post2#1, cbzero_~b#1.base, cbzero_~b#1.offset, cbzero_~length#1, cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~b#1.base, cbzero_~b#1.offset := cbzero_#in~b#1.base, cbzero_#in~b#1.offset;cbzero_~length#1 := cbzero_#in~length#1;havoc cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_~b#1.base, cbzero_~b#1.offset; 9#L551-3true [2021-11-22 14:45:06,004 INFO L793 eck$LassoCheckResult]: Loop: 9#L551-3true cbzero_#t~post2#1 := cbzero_~length#1;cbzero_~length#1 := cbzero_#t~post2#1 - 1; 10#L551-1true assume !!(0 != cbzero_#t~post2#1 % 18446744073709551616);havoc cbzero_#t~post2#1;cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset := cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_#t~post3#1.base, 1 + cbzero_#t~post3#1.offset;call write~int(0, cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, 1);havoc cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset; 9#L551-3true [2021-11-22 14:45:06,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:06,012 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-11-22 14:45:06,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:06,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208204121] [2021-11-22 14:45:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:06,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:06,193 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:06,257 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:06,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:06,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2021-11-22 14:45:06,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:06,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310705163] [2021-11-22 14:45:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:06,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:06,302 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:06,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:06,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:06,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939567, now seen corresponding path program 1 times [2021-11-22 14:45:06,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:06,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354864185] [2021-11-22 14:45:06,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:06,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:06,377 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:06,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:07,088 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:45:07,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:45:07,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:45:07,090 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:45:07,090 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 14:45:07,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:07,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:45:07,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:45:07,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca-1.i_Iteration1_Lasso [2021-11-22 14:45:07,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:45:07,091 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:45:07,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:07,845 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:45:07,869 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 14:45:07,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:07,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:07,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:07,887 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 [2021-11-22 14:45:07,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 14:45:07,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:07,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:07,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:07,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:07,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:07,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:07,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:07,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:07,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:07,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:07,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:07,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:07,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 14:45:07,982 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 [2021-11-22 14:45:07,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:07,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:07,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:07,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:07,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:07,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:07,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:08,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:08,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:08,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:08,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:08,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:08,063 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 [2021-11-22 14:45:08,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:08,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:08,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:08,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:08,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:08,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:08,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 14:45:08,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:08,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-22 14:45:08,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:08,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:08,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:08,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 14:45:08,154 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 [2021-11-22 14:45:08,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:08,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:08,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:08,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:08,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:08,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:08,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:08,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:08,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:08,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:08,242 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:08,248 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 [2021-11-22 14:45:08,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:08,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:08,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:08,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:08,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:08,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:08,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:08,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 14:45:08,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:08,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:08,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:08,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:08,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:08,330 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 [2021-11-22 14:45:08,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:08,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:08,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:08,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:08,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:08,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:08,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 14:45:08,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:08,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:08,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:08,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:08,388 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:08,392 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 [2021-11-22 14:45:08,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 14:45:08,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:08,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:08,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:08,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:08,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:08,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:08,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:08,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:08,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-22 14:45:08,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:08,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:08,442 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:08,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 14:45:08,447 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 [2021-11-22 14:45:08,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:08,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:08,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:08,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:08,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:08,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:08,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:08,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:08,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:08,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:08,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:08,514 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:08,520 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 [2021-11-22 14:45:08,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:08,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:08,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:08,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:08,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 14:45:08,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:08,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:08,579 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 14:45:08,650 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-22 14:45:08,651 INFO L444 ModelExtractionUtils]: 10 out of 37 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-11-22 14:45:08,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:08,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:08,670 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:08,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 14:45:08,710 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 14:45:08,747 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-22 14:45:08,748 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 14:45:08,748 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1, ULTIMATE.start_cbzero_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1 - 1*ULTIMATE.start_cbzero_~p~0#1.offset Supporting invariants [] [2021-11-22 14:45:08,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:08,846 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-11-22 14:45:08,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:08,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 14:45:08,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:08,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 14:45:08,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:09,020 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 [2021-11-22 14:45:09,022 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-11-22 14:45:09,080 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 21 states and 25 transitions. Complement of second has 6 states. [2021-11-22 14:45:09,082 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 [2021-11-22 14:45:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-11-22 14:45:09,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-11-22 14:45:09,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-22 14:45:09,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:45:09,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-22 14:45:09,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:45:09,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-22 14:45:09,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:45:09,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2021-11-22 14:45:09,096 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:45:09,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-11-22 14:45:09,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-22 14:45:09,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-22 14:45:09,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-22 14:45:09,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:45:09,102 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:45:09,103 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:45:09,103 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:45:09,103 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 14:45:09,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:45:09,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:45:09,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 14:45:09,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 02:45:09 BoogieIcfgContainer [2021-11-22 14:45:09,111 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 14:45:09,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:45:09,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:45:09,113 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:45:09,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:05" (3/4) ... [2021-11-22 14:45:09,117 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 14:45:09,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:45:09,119 INFO L158 Benchmark]: Toolchain (without parser) took 4390.11ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 66.1MB in the beginning and 78.1MB in the end (delta: -12.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-11-22 14:45:09,120 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:45:09,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.46ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 65.9MB in the beginning and 103.8MB in the end (delta: -37.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:45:09,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.63ms. Allocated memory is still 132.1MB. Free memory was 103.8MB in the beginning and 102.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:45:09,122 INFO L158 Benchmark]: Boogie Preprocessor took 34.22ms. Allocated memory is still 132.1MB. Free memory was 102.3MB in the beginning and 101.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:45:09,123 INFO L158 Benchmark]: RCFGBuilder took 415.49ms. Allocated memory is still 132.1MB. Free memory was 100.7MB in the beginning and 91.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:45:09,124 INFO L158 Benchmark]: BuchiAutomizer took 3270.98ms. Allocated memory is still 132.1MB. Free memory was 91.2MB in the beginning and 78.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-22 14:45:09,124 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 132.1MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:45:09,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.46ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 65.9MB in the beginning and 103.8MB in the end (delta: -37.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.63ms. Allocated memory is still 132.1MB. Free memory was 103.8MB in the beginning and 102.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.22ms. Allocated memory is still 132.1MB. Free memory was 102.3MB in the beginning and 101.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.49ms. Allocated memory is still 132.1MB. Free memory was 100.7MB in the beginning and 91.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3270.98ms. Allocated memory is still 132.1MB. Free memory was 91.2MB in the beginning and 78.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 132.1MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 12 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital120 mio100 ax114 hnf100 lsp82 ukn97 mio100 lsp56 div158 bol100 ite100 ukn100 eq175 hnf72 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-22 14:45:09,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:09,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47773f8b-0b0f-4c16-8948-3a08dee1dc8a/bin/uautomizer-w2VwFs6gM0/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