./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/wcsrchr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/wcsrchr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF --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 aa3550415adcb60cd2e10382a8cad250e37bc74a995d2e6aefcb0c0e067c66dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:11:52,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:11:52,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:11:52,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:11:52,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:11:52,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:11:52,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:11:52,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:11:52,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:11:52,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:11:52,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:11:52,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:11:52,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:11:52,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:11:52,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:11:53,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:11:53,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:11:53,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:11:53,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:11:53,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:11:53,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:11:53,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:11:53,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:11:53,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:11:53,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:11:53,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:11:53,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:11:53,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:11:53,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:11:53,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:11:53,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:11:53,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:11:53,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:11:53,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:11:53,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:11:53,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:11:53,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:11:53,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:11:53,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:11:53,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:11:53,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:11:53,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:11:53,103 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:11:53,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:11:53,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:11:53,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:11:53,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:11:53,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:11:53,106 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:11:53,107 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:11:53,107 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:11:53,107 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:11:53,108 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:11:53,109 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:11:53,109 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:11:53,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:11:53,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:11:53,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:11:53,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:11:53,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:11:53,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:11:53,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:11:53,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:11:53,111 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:11:53,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:11:53,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:11:53,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:11:53,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:11:53,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:11:53,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:11:53,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:11:53,116 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:11:53,116 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_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3550415adcb60cd2e10382a8cad250e37bc74a995d2e6aefcb0c0e067c66dc [2021-11-20 06:11:53,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:11:53,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:11:53,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:11:53,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:11:53,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:11:53,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-dietlibc/wcsrchr.i [2021-11-20 06:11:53,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/data/12074616c/5a908c6018884dd4851b133867d3ba18/FLAG91d11ac12 [2021-11-20 06:11:54,330 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:11:54,332 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/sv-benchmarks/c/termination-dietlibc/wcsrchr.i [2021-11-20 06:11:54,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/data/12074616c/5a908c6018884dd4851b133867d3ba18/FLAG91d11ac12 [2021-11-20 06:11:54,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/data/12074616c/5a908c6018884dd4851b133867d3ba18 [2021-11-20 06:11:54,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:11:54,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:11:54,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:11:54,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:11:54,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:11:54,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:54" (1/1) ... [2021-11-20 06:11:54,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd82480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:54, skipping insertion in model container [2021-11-20 06:11:54,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:54" (1/1) ... [2021-11-20 06:11:54,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:11:54,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:11:55,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:11:55,067 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:11:55,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:11:55,159 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:11:55,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55 WrapperNode [2021-11-20 06:11:55,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:11:55,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:11:55,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:11:55,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:11:55,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,234 INFO L137 Inliner]: procedures = 113, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-20 06:11:55,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:11:55,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:11:55,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:11:55,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:11:55,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:11:55,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:11:55,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:11:55,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:11:55,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (1/1) ... [2021-11-20 06:11:55,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:55,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:55,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:55,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:11:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:11:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:11:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:11:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:11:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:11:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:11:55,550 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:11:55,565 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:11:55,722 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:11:55,728 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:11:55,729 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:11:55,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:55 BoogieIcfgContainer [2021-11-20 06:11:55,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:11:55,732 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:11:55,733 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:11:55,736 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:11:55,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:11:55,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:11:54" (1/3) ... [2021-11-20 06:11:55,739 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34275b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:11:55, skipping insertion in model container [2021-11-20 06:11:55,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:11:55,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:55" (2/3) ... [2021-11-20 06:11:55,740 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34275b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:11:55, skipping insertion in model container [2021-11-20 06:11:55,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:11:55,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:55" (3/3) ... [2021-11-20 06:11:55,743 INFO L388 chiAutomizerObserver]: Analyzing ICFG wcsrchr.i [2021-11-20 06:11:55,797 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:11:55,798 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:11:55,798 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:11:55,798 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:11:55,798 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:11:55,799 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:11:55,799 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:11:55,799 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:11:55,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:11:55,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:11:55,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:11:55,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:11:55,858 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:11:55,859 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:11:55,859 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:11:55,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:11:55,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:11:55,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:11:55,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:11:55,883 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:11:55,883 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:11:55,891 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~ret8#1.base, main_#t~ret8#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1;main_~in_len~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12#L515true assume !(main_~in_len~0#1 < 1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4 * main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + 4 * (main_~in_len~0#1 - 1), 4);main_~needle~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume { :begin_inline_wcsrchr } true;wcsrchr_#in~wcs#1.base, wcsrchr_#in~wcs#1.offset, wcsrchr_#in~wc#1 := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1;havoc wcsrchr_#res#1.base, wcsrchr_#res#1.offset;havoc wcsrchr_#t~mem3#1, wcsrchr_#t~pre2#1.base, wcsrchr_#t~pre2#1.offset, wcsrchr_#t~mem4#1, wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset, wcsrchr_~wc#1, wcsrchr_~last~0#1.base, wcsrchr_~last~0#1.offset;wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset := wcsrchr_#in~wcs#1.base, wcsrchr_#in~wcs#1.offset;wcsrchr_~wc#1 := wcsrchr_#in~wc#1;wcsrchr_~last~0#1.base, wcsrchr_~last~0#1.offset := 0, 0; 10#L508-4true [2021-11-20 06:11:55,891 INFO L793 eck$LassoCheckResult]: Loop: 10#L508-4true call wcsrchr_#t~mem4#1 := read~int(wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset, 4); 7#L508-1true assume !!(0 != wcsrchr_#t~mem4#1);havoc wcsrchr_#t~mem4#1;call wcsrchr_#t~mem3#1 := read~int(wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset, 4); 9#L509true assume wcsrchr_#t~mem3#1 == wcsrchr_~wc#1;havoc wcsrchr_#t~mem3#1;wcsrchr_~last~0#1.base, wcsrchr_~last~0#1.offset := wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset; 8#L508-3true wcsrchr_#t~pre2#1.base, wcsrchr_#t~pre2#1.offset := wcsrchr_~wcs#1.base, 4 + wcsrchr_~wcs#1.offset;wcsrchr_~wcs#1.base, wcsrchr_~wcs#1.offset := wcsrchr_~wcs#1.base, 4 + wcsrchr_~wcs#1.offset;havoc wcsrchr_#t~pre2#1.base, wcsrchr_#t~pre2#1.offset; 10#L508-4true [2021-11-20 06:11:55,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:55,914 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 06:11:55,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:11:55,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131235459] [2021-11-20 06:11:55,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:55,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:11:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:11:56,148 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:11:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:11:56,222 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:11:56,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:56,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1267210, now seen corresponding path program 1 times [2021-11-20 06:11:56,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:11:56,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537344033] [2021-11-20 06:11:56,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:56,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:11:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:11:56,260 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:11:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:11:56,271 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:11:56,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:56,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1806876973, now seen corresponding path program 1 times [2021-11-20 06:11:56,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:11:56,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919786777] [2021-11-20 06:11:56,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:56,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:11:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:11:56,326 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:11:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:11:56,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:11:57,106 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:11:57,106 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:11:57,107 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:11:57,107 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:11:57,107 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:11:57,107 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:57,107 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:11:57,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:11:57,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: wcsrchr.i_Iteration1_Lasso [2021-11-20 06:11:57,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:11:57,108 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:11:57,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:11:57,858 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:11:57,864 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:11:57,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:57,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:57,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:57,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:11:57,875 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 [2021-11-20 06:11:57,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:57,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:57,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:57,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:57,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:57,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:57,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:57,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:57,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:57,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:57,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:57,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:57,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:11:57,965 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 [2021-11-20 06:11:57,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:57,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:57,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:57,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:57,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:57,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:57,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:57,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-20 06:11:58,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,019 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:11:58,025 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 [2021-11-20 06:11:58,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:11:58,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:11:58,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:58,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,092 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:11:58,100 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 [2021-11-20 06:11:58,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:58,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:58,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:58,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-20 06:11:58,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,143 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:11:58,151 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 [2021-11-20 06:11:58,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:11:58,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:11:58,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:58,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,202 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:11:58,206 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 [2021-11-20 06:11:58,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:58,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:58,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:58,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:58,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,255 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:11:58,258 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 [2021-11-20 06:11:58,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:58,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:58,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:58,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-20 06:11:58,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,299 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:11:58,302 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 [2021-11-20 06:11:58,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:58,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:58,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:58,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-20 06:11:58,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,361 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,367 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 [2021-11-20 06:11:58,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:11:58,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:58,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:58,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:58,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:58,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,407 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:11:58,410 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 [2021-11-20 06:11:58,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:58,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:58,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:58,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:58,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,446 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:11:58,451 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 [2021-11-20 06:11:58,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:58,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:58,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:58,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:58,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,531 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:11:58,536 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 [2021-11-20 06:11:58,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:58,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:58,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:58,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:58,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,604 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:11:58,609 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 [2021-11-20 06:11:58,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:11:58,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:11:58,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:11:58,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:11:58,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:58,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,646 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:11:58,660 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 [2021-11-20 06:11:58,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:11:58,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:11:58,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:11:58,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:11:58,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:11:58,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:11:58,711 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:11:58,744 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-20 06:11:58,744 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-11-20 06:11:58,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:11:58,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:11:58,759 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:11:58,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:11:58,808 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:11:58,833 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:11:58,833 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:11:58,834 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_wcsrchr_~wcs#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1) = -1*ULTIMATE.start_wcsrchr_~wcs#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1 Supporting invariants [] [2021-11-20 06:11:58,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:58,917 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-11-20 06:11:58,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:58,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:11:58,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:11:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:59,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:11:59,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:11:59,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:11:59,172 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 [2021-11-20 06:11:59,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:11:59,246 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 30 transitions. Complement of second has 6 states. [2021-11-20 06:11:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:11:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:11:59,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-20 06:11:59,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 06:11:59,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:11:59,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2021-11-20 06:11:59,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:11:59,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 8 letters. [2021-11-20 06:11:59,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:11:59,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2021-11-20 06:11:59,262 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:11:59,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2021-11-20 06:11:59,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:11:59,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:11:59,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:11:59,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:11:59,268 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:11:59,268 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:11:59,268 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:11:59,268 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:11:59,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:11:59,269 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:11:59,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:11:59,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:11:59 BoogieIcfgContainer [2021-11-20 06:11:59,277 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:11:59,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:11:59,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:11:59,278 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:11:59,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:55" (3/4) ... [2021-11-20 06:11:59,293 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:11:59,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:11:59,299 INFO L158 Benchmark]: Toolchain (without parser) took 4690.83ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 51.1MB in the beginning and 86.5MB in the end (delta: -35.4MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2021-11-20 06:11:59,301 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:11:59,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.17ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 57.6MB in the end (delta: -6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:11:59,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.60ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:11:59,304 INFO L158 Benchmark]: Boogie Preprocessor took 41.66ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:11:59,307 INFO L158 Benchmark]: RCFGBuilder took 453.76ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 44.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:11:59,307 INFO L158 Benchmark]: BuchiAutomizer took 3544.78ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 35.0MB in the end (delta: 9.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-20 06:11:59,311 INFO L158 Benchmark]: Witness Printer took 15.56ms. Allocated memory is still 113.2MB. Free memory was 35.0MB in the beginning and 86.5MB in the end (delta: -51.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:11:59,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.17ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 57.6MB in the end (delta: -6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.60ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.66ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.76ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 44.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3544.78ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 35.0MB in the end (delta: 9.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Witness Printer took 15.56ms. Allocated memory is still 113.2MB. Free memory was 35.0MB in the beginning and 86.5MB in the end (delta: -51.5MB). Peak memory consumption was 4.2MB. 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 unknown-#length-unknown[__builtin_alloca (in_len*sizeof(int))] + -1 * wcs and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf100 lsp95 ukn92 mio100 lsp43 div100 bol100 ite100 ukn100 eq196 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 06:11:59,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:59,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc26567-f02b-497b-9426-e2a3619e87e6/bin/uautomizer-DQz5hQGWxF/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