./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt --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 847cffc9d6215c496aa28b39684013a0c5d7b1c3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:00:06,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:00:06,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:00:06,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:00:06,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:00:06,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:00:06,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:00:06,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:00:06,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:00:06,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:00:06,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:00:06,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:00:06,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:00:06,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:00:06,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:00:06,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:00:06,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:00:06,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:00:06,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:00:06,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:00:06,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:00:06,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:00:06,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:00:06,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:00:06,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:00:06,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:00:06,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:00:06,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:00:06,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:00:06,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:00:06,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:00:06,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:00:06,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:00:06,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:00:06,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:00:06,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:00:06,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:00:06,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:00:06,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:00:06,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:00:06,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:00:06,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:00:06,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:00:06,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:00:06,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:00:06,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:00:06,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:00:06,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:00:06,705 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:00:06,705 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:00:06,705 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:00:06,705 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:00:06,706 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:00:06,706 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:00:06,707 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:00:06,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:00:06,707 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:00:06,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:00:06,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:00:06,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:00:06,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:00:06,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:00:06,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:00:06,708 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:00:06,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:00:06,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:00:06,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:00:06,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:00:06,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:00:06,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:00:06,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:00:06,712 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:00:06,712 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_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 847cffc9d6215c496aa28b39684013a0c5d7b1c3 [2021-10-13 00:00:07,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:00:07,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:00:07,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:00:07,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:00:07,043 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:00:07,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i [2021-10-13 00:00:07,119 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/data/59900fdfc/1532463455f04c1ba93e2c4a329213eb/FLAG8a2b9f70a [2021-10-13 00:00:07,752 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:00:07,753 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i [2021-10-13 00:00:07,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/data/59900fdfc/1532463455f04c1ba93e2c4a329213eb/FLAG8a2b9f70a [2021-10-13 00:00:08,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/data/59900fdfc/1532463455f04c1ba93e2c4a329213eb [2021-10-13 00:00:08,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:00:08,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:00:08,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:08,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:00:08,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:00:08,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b86c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08, skipping insertion in model container [2021-10-13 00:00:08,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:00:08,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:00:08,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:08,529 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:00:08,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:08,624 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:00:08,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08 WrapperNode [2021-10-13 00:00:08,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:08,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:08,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:00:08,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:00:08,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:08,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:00:08,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:00:08,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:00:08,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:00:08,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:00:08,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:00:08,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:00:08,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (1/1) ... [2021-10-13 00:00:08,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:08,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:08,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:08,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:00:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:00:09,202 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:00:09,203 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:00:09,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:09 BoogieIcfgContainer [2021-10-13 00:00:09,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:00:09,221 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:00:09,222 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:00:09,226 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:00:09,227 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:09,227 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:00:08" (1/3) ... [2021-10-13 00:00:09,228 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dc68b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:00:09, skipping insertion in model container [2021-10-13 00:00:09,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:09,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:08" (2/3) ... [2021-10-13 00:00:09,229 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dc68b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:00:09, skipping insertion in model container [2021-10-13 00:00:09,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:09,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:09" (3/3) ... [2021-10-13 00:00:09,244 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrlen-alloca-1.i [2021-10-13 00:00:09,297 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:00:09,297 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:00:09,297 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:00:09,298 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:00:09,298 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:00:09,298 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:00:09,298 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:00:09,299 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:00:09,315 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) [2021-10-13 00:00:09,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:00:09,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:09,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:09,344 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:00:09,344 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:00:09,344 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:00:09,345 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) [2021-10-13 00:00:09,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:00:09,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:09,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:09,365 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:00:09,365 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:00:09,373 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet4;havoc main_#t~nondet4; 6#L556true assume !(main_~length1~0 < 1); 7#L556-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset, cstrlen_#t~mem2, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; 9#L550-3true [2021-10-13 00:00:09,373 INFO L793 eck$LassoCheckResult]: Loop: 9#L550-3true call cstrlen_#t~mem2 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); 11#L550-1true assume !!(0 != cstrlen_#t~mem2);havoc cstrlen_#t~mem2;cstrlen_#t~post3.base, cstrlen_#t~post3.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post3.base, 1 + cstrlen_#t~post3.offset;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset; 9#L550-3true [2021-10-13 00:00:09,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:09,381 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-13 00:00:09,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:09,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976013005] [2021-10-13 00:00:09,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:09,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:09,512 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:09,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:09,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:09,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2021-10-13 00:00:09,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:09,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84416104] [2021-10-13 00:00:09,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:09,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:09,575 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:09,590 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:09,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:09,610 INFO L82 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2021-10-13 00:00:09,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:09,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694147056] [2021-10-13 00:00:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:09,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:09,645 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:09,675 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:10,269 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:00:10,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:00:10,270 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:00:10,270 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:00:10,271 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:00:10,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:10,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:00:10,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:00:10,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-1.i_Iteration1_Lasso [2021-10-13 00:00:10,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:00:10,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:00:10,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:10,985 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:00:10,991 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:00:10,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:10,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:10,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,004 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 [2021-10-13 00:00:11,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:11,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:11,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:11,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:00:11,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,087 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 [2021-10-13 00:00:11,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:11,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:11,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:11,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:00:11,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,154 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,162 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 [2021-10-13 00:00:11,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:11,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:11,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:11,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:00:11,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,225 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,235 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 [2021-10-13 00:00:11,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:11,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:11,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:00:11,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,302 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,308 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 [2021-10-13 00:00:11,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:11,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:11,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:00:11,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:00:11,385 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 [2021-10-13 00:00:11,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:11,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:11,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:11,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,441 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,451 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 [2021-10-13 00:00:11,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:00:11,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:11,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:11,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:11,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:00:11,514 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 [2021-10-13 00:00:11,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:11,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:11,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,585 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:00:11,586 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 [2021-10-13 00:00:11,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:11,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:11,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,671 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,686 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 [2021-10-13 00:00:11,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:11,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:11,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:11,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:00:11,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,748 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:00:11,751 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 [2021-10-13 00:00:11,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:11,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:11,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,809 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:00:11,813 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 [2021-10-13 00:00:11,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:11,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:11,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-13 00:00:11,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,879 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:00:11,881 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 [2021-10-13 00:00:11,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:11,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:11,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-13 00:00:11,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,934 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:00:11,935 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 [2021-10-13 00:00:11,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:11,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:11,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:11,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:11,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:11,976 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:11,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:00:11,978 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 [2021-10-13 00:00:11,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:11,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:11,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:11,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:11,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:11,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:12,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:12,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:12,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:12,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:12,059 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:12,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:00:12,065 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 [2021-10-13 00:00:12,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:12,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:12,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:12,087 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:00:12,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:12,089 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:00:12,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:12,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:12,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:12,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:12,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:12,138 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:12,147 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 [2021-10-13 00:00:12,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:00:12,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:12,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:12,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:12,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:12,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:12,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:12,202 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:00:12,243 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-13 00:00:12,243 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-13 00:00:12,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:12,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:12,270 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:12,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:00:12,343 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:00:12,371 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:00:12,371 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:00:12,372 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0.offset, v_rep(select #length ULTIMATE.start_cstrlen_~p~0.base)_1) = -1*ULTIMATE.start_cstrlen_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrlen_~p~0.base)_1 Supporting invariants [] [2021-10-13 00:00:12,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:12,420 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-13 00:00:12,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:12,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:00:12,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:12,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:00:12,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:12,542 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 [2021-10-13 00:00:12,543 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:12,589 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 26 transitions. Complement of second has 5 states. [2021-10-13 00:00:12,590 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 [2021-10-13 00:00:12,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-13 00:00:12,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:00:12,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:12,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-13 00:00:12,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:12,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-13 00:00:12,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:12,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2021-10-13 00:00:12,603 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:00:12,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-10-13 00:00:12,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:00:12,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:00:12,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:00:12,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:00:12,608 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:12,608 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:12,608 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:12,608 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:00:12,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:00:12,609 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:00:12,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:00:12,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:00:12 BoogieIcfgContainer [2021-10-13 00:00:12,614 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:00:12,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:00:12,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:00:12,615 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:00:12,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:09" (3/4) ... [2021-10-13 00:00:12,622 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:00:12,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:00:12,631 INFO L168 Benchmark]: Toolchain (without parser) took 4535.28 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 60.1 MB in the beginning and 71.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,632 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory was 77.9 MB in the beginning and 77.8 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:12,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.26 ms. Allocated memory is still 102.8 MB. Free memory was 59.9 MB in the beginning and 72.4 MB in the end (delta: -12.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.91 ms. Allocated memory is still 102.8 MB. Free memory was 72.4 MB in the beginning and 70.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,636 INFO L168 Benchmark]: Boogie Preprocessor took 51.84 ms. Allocated memory is still 102.8 MB. Free memory was 70.6 MB in the beginning and 69.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:12,636 INFO L168 Benchmark]: RCFGBuilder took 499.90 ms. Allocated memory is still 102.8 MB. Free memory was 69.4 MB in the beginning and 59.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,641 INFO L168 Benchmark]: BuchiAutomizer took 3393.27 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 59.8 MB in the beginning and 72.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,643 INFO L168 Benchmark]: Witness Printer took 7.81 ms. Allocated memory is still 123.7 MB. Free memory was 72.1 MB in the beginning and 71.1 MB in the end (delta: 917.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:12,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory was 77.9 MB in the beginning and 77.8 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 532.26 ms. Allocated memory is still 102.8 MB. Free memory was 59.9 MB in the beginning and 72.4 MB in the end (delta: -12.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.91 ms. Allocated memory is still 102.8 MB. Free memory was 72.4 MB in the beginning and 70.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.84 ms. Allocated memory is still 102.8 MB. Free memory was 70.6 MB in the beginning and 69.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 499.90 ms. Allocated memory is still 102.8 MB. Free memory was 69.4 MB in the beginning and 59.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3393.27 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 59.8 MB in the beginning and 72.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Witness Printer took 7.81 ms. Allocated memory is still 123.7 MB. Free memory was 72.1 MB in the beginning and 71.1 MB in the end (delta: 917.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[p] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 15 SDslu, 4 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital114 mio100 ax115 hnf100 lsp81 ukn91 mio100 lsp47 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms 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! [2021-10-13 00:00:12,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:12,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f369ebb-85c8-46db-9517-2958cab02193/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...