./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/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_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/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 32bit --witnessprinter.graph.data.programhash 82b79a9a0e08e4cbe68dbb8ee267b92366638418cbe09cb6aac3231ced8eab7e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:23:56,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:23:56,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:23:56,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:23:56,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:23:56,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:23:56,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:23:56,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:23:56,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:23:56,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:23:56,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:23:56,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:23:56,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:23:56,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:23:56,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:23:56,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:23:56,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:23:56,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:23:56,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:23:56,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:23:56,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:23:56,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:23:56,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:23:56,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:23:56,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:23:56,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:23:56,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:23:56,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:23:56,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:23:56,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:23:56,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:23:56,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:23:56,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:23:56,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:23:56,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:23:56,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:23:56,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:23:56,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:23:56,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:23:56,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:23:56,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:23:56,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-22 15:23:56,750 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:23:56,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:23:56,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:23:56,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:23:56,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:23:56,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:23:56,754 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:23:56,754 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 15:23:56,754 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 15:23:56,755 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 15:23:56,755 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 15:23:56,755 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 15:23:56,756 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 15:23:56,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:23:56,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:23:56,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:23:56,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:23:56,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:23:56,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:23:56,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 15:23:56,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 15:23:56,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 15:23:56,759 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:23:56,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:23:56,759 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 15:23:56,760 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:23:56,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 15:23:56,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:23:56,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:23:56,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:23:56,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:23:56,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:23:56,763 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 15:23:56,763 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_673f3954-5645-4af1-a1fc-f6d9966f4056/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82b79a9a0e08e4cbe68dbb8ee267b92366638418cbe09cb6aac3231ced8eab7e [2021-11-22 15:23:57,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:23:57,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:23:57,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:23:57,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:23:57,201 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:23:57,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/loops/terminator_01.c [2021-11-22 15:23:57,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/data/e323d2d4e/ffad13f2a140458f929c382a9a05d474/FLAG4f20ef56b [2021-11-22 15:23:57,929 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:23:57,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/sv-benchmarks/c/loops/terminator_01.c [2021-11-22 15:23:57,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/data/e323d2d4e/ffad13f2a140458f929c382a9a05d474/FLAG4f20ef56b [2021-11-22 15:23:57,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/data/e323d2d4e/ffad13f2a140458f929c382a9a05d474 [2021-11-22 15:23:57,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:23:57,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:23:57,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:23:57,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:23:57,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:23:57,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:23:57" (1/1) ... [2021-11-22 15:23:57,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a852a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:57, skipping insertion in model container [2021-11-22 15:23:57,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:23:57" (1/1) ... [2021-11-22 15:23:57,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:23:58,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:23:58,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/sv-benchmarks/c/loops/terminator_01.c[325,338] [2021-11-22 15:23:58,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:23:58,315 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:23:58,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/sv-benchmarks/c/loops/terminator_01.c[325,338] [2021-11-22 15:23:58,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:23:58,360 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:23:58,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58 WrapperNode [2021-11-22 15:23:58,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:23:58,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:23:58,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:23:58,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:23:58,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,408 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2021-11-22 15:23:58,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:23:58,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:23:58,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:23:58,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:23:58,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:23:58,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:23:58,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:23:58,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:23:58,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (1/1) ... [2021-11-22 15:23:58,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:23:58,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:23:58,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:23:58,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 15:23:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:23:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:23:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:23:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:23:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:23:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:23:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:23:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:23:58,676 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:23:58,679 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:23:58,854 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:23:58,862 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:23:58,862 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 15:23:58,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:23:58 BoogieIcfgContainer [2021-11-22 15:23:58,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:23:58,866 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 15:23:58,866 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 15:23:58,871 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 15:23:58,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:23:58,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 03:23:57" (1/3) ... [2021-11-22 15:23:58,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40f57139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 03:23:58, skipping insertion in model container [2021-11-22 15:23:58,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:23:58,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:23:58" (2/3) ... [2021-11-22 15:23:58,875 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40f57139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 03:23:58, skipping insertion in model container [2021-11-22 15:23:58,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:23:58,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:23:58" (3/3) ... [2021-11-22 15:23:58,877 INFO L388 chiAutomizerObserver]: Analyzing ICFG terminator_01.c [2021-11-22 15:23:58,936 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 15:23:58,937 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 15:23:58,937 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 15:23:58,937 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 15:23:58,937 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 15:23:58,938 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 15:23:58,938 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 15:23:58,938 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 15:23:58,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 15:23:58,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-22 15:23:58,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:23:58,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:23:58,988 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-22 15:23:58,988 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-22 15:23:58,988 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 15:23:58,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 15:23:58,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-22 15:23:58,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:23:58,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:23:58,992 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-22 15:23:58,992 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-22 15:23:59,001 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 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~mem6#1, main_#t~post7#1, main_#t~mem5#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~nondet4#1;main_~p~0#1.base, main_~p~0#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset; 8#L18-3true [2021-11-22 15:23:59,001 INFO L793 eck$LassoCheckResult]: Loop: 8#L18-3true call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4); 5#L18-1true assume !!(main_#t~mem5#1 < 100);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4);main_#t~post7#1 := main_#t~mem6#1;call write~int(1 + main_#t~post7#1, main_~p~0#1.base, main_~p~0#1.offset, 4);havoc main_#t~mem6#1;havoc main_#t~post7#1; 8#L18-3true [2021-11-22 15:23:59,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:23:59,009 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-22 15:23:59,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:23:59,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86765939] [2021-11-22 15:23:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:23:59,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:23:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:23:59,139 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:23:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:23:59,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:23:59,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:23:59,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-11-22 15:23:59,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:23:59,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599955070] [2021-11-22 15:23:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:23:59,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:23:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:23:59,229 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:23:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:23:59,248 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:23:59,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:23:59,252 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-22 15:23:59,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:23:59,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929292023] [2021-11-22 15:23:59,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:23:59,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:23:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:23:59,315 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:23:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:23:59,368 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:24:00,017 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 15:24:00,018 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 15:24:00,018 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 15:24:00,019 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 15:24:00,019 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 15:24:00,019 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:00,019 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 15:24:00,020 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 15:24:00,020 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_01.c_Iteration1_Lasso [2021-11-22 15:24:00,020 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 15:24:00,020 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 15:24:00,045 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 15:24:00,052 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 15:24:00,055 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 15:24:00,482 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 15:24:00,487 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 15:24:00,491 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 15:24:00,495 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 15:24:00,499 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 15:24:00,901 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 15:24:00,907 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 15:24:00,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:00,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:00,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:00,914 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 15:24:00,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:00,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:24:00,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:00,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:00,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:00,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:24:00,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:24:00,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 15:24:00,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:00,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:00,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:00,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:00,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,002 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 15:24:01,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 15:24:01,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 15:24:01,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 15:24:01,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 15:24:01,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-22 15:24:01,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,072 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 15:24:01,078 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 15:24:01,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:01,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 15:24:01,169 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 15:24:01,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-22 15:24:01,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,231 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 15:24:01,235 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 15:24:01,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:01,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,317 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,323 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 15:24:01,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 15:24:01,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:01,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,393 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,407 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 15:24:01,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 15:24:01,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:01,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,489 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 15:24:01,492 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 15:24:01,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:01,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,545 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 15:24:01,549 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 15:24:01,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:01,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,609 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 15:24:01,612 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 15:24:01,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:01,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,705 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,712 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 15:24:01,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-22 15:24:01,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 15:24:01,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:01,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,813 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,822 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 15:24:01,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 15:24:01,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 15:24:01,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 15:24:01,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 15:24:01,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 15:24:01,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 15:24:01,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-22 15:24:01,867 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 15:24:01,914 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-22 15:24:01,914 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-11-22 15:24:01,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:24:01,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:24:01,925 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:24:01,961 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 15:24:01,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-22 15:24:01,987 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-22 15:24:01,988 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 15:24:01,988 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1 + 199 Supporting invariants [] [2021-11-22 15:24:02,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:02,090 INFO L297 tatePredicateManager]: 13 out of 15 supporting invariants were superfluous and have been removed [2021-11-22 15:24:02,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:24:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:24:02,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 15:24:02,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:24:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:24:02,205 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 15:24:02,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:24:02,268 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 15:24:02,321 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 [2021-11-22 15:24:02,323 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 15:24:02,406 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 24 states and 28 transitions. Complement of second has 8 states. [2021-11-22 15:24:02,408 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 [2021-11-22 15:24:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 15:24:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-11-22 15:24:02,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-22 15:24:02,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:24:02,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-22 15:24:02,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:24:02,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-22 15:24:02,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 15:24:02,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2021-11-22 15:24:02,422 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 15:24:02,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-11-22 15:24:02,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-22 15:24:02,426 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-22 15:24:02,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-22 15:24:02,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:24:02,427 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:24:02,428 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:24:02,428 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:24:02,428 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 15:24:02,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-22 15:24:02,428 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 15:24:02,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 15:24:02,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 03:24:02 BoogieIcfgContainer [2021-11-22 15:24:02,437 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 15:24:02,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:24:02,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:24:02,438 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:24:02,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:23:58" (3/4) ... [2021-11-22 15:24:02,442 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 15:24:02,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:24:02,444 INFO L158 Benchmark]: Toolchain (without parser) took 4473.59ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 55.6MB in the beginning and 44.7MB in the end (delta: 10.9MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-11-22 15:24:02,444 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:24:02,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.39ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 55.4MB in the beginning and 101.4MB in the end (delta: -46.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 15:24:02,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.28ms. Allocated memory is still 125.8MB. Free memory was 101.4MB in the beginning and 99.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:24:02,447 INFO L158 Benchmark]: Boogie Preprocessor took 54.93ms. Allocated memory is still 125.8MB. Free memory was 99.9MB in the beginning and 99.3MB in the end (delta: 665.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:24:02,448 INFO L158 Benchmark]: RCFGBuilder took 398.80ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 90.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:24:02,449 INFO L158 Benchmark]: BuchiAutomizer took 3570.52ms. Allocated memory is still 125.8MB. Free memory was 89.4MB in the beginning and 45.5MB in the end (delta: 44.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2021-11-22 15:24:02,449 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 125.8MB. Free memory was 45.5MB in the beginning and 44.7MB in the end (delta: 825.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:24:02,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.39ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 55.4MB in the beginning and 101.4MB in the end (delta: -46.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.28ms. Allocated memory is still 125.8MB. Free memory was 101.4MB in the beginning and 99.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.93ms. Allocated memory is still 125.8MB. Free memory was 99.9MB in the beginning and 99.3MB in the end (delta: 665.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 398.80ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 90.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3570.52ms. Allocated memory is still 125.8MB. Free memory was 89.4MB in the beginning and 45.5MB in the end (delta: 44.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 125.8MB. Free memory was 45.5MB in the beginning and 44.7MB in the end (delta: 825.6kB). 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 -2 * unknown-#memory_int-unknown[p][p] + 199 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 5 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp22 div100 bol100 ite100 ukn100 eq200 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 1 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 15:24:02,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-22 15:24:02,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673f3954-5645-4af1-a1fc-f6d9966f4056/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