./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/stpcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/stpcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg --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 469311c0017f986a05caefa2da4fc5bc0c8b955df01c1466f03ef72ee537722c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:15:15,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:15:15,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:15:15,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:15:15,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:15:15,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:15:15,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:15:15,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:15:15,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:15:15,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:15:15,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:15:15,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:15:15,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:15:15,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:15:15,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:15:15,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:15:15,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:15:15,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:15:15,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:15:15,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:15:15,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:15:15,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:15:15,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:15:15,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:15:15,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:15:15,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:15:15,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:15:15,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:15:15,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:15:15,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:15:15,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:15:15,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:15:15,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:15:15,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:15:15,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:15:15,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:15:15,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:15:15,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:15:15,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:15:15,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:15:15,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:15:15,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:15:15,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:15:15,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:15:15,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:15:15,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:15:15,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:15:15,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:15:15,818 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:15:15,818 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:15:15,818 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:15:15,819 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:15:15,819 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:15:15,819 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:15:15,819 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:15:15,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:15:15,820 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:15:15,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:15:15,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:15:15,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:15:15,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:15:15,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:15:15,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:15:15,822 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:15:15,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:15:15,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:15:15,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:15:15,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:15:15,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:15:15,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:15:15,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:15:15,825 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:15:15,826 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_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 469311c0017f986a05caefa2da4fc5bc0c8b955df01c1466f03ef72ee537722c [2021-10-28 09:15:16,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:15:16,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:15:16,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:15:16,159 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:15:16,160 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:15:16,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-dietlibc/stpcpy.i [2021-10-28 09:15:16,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/data/ee4b46d7a/3c53d3c5bc1642a4beff2a5864b6e505/FLAG4bec10197 [2021-10-28 09:15:16,900 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:15:16,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/sv-benchmarks/c/termination-dietlibc/stpcpy.i [2021-10-28 09:15:16,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/data/ee4b46d7a/3c53d3c5bc1642a4beff2a5864b6e505/FLAG4bec10197 [2021-10-28 09:15:17,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/data/ee4b46d7a/3c53d3c5bc1642a4beff2a5864b6e505 [2021-10-28 09:15:17,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:15:17,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:15:17,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:15:17,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:15:17,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:15:17,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2360ef1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17, skipping insertion in model container [2021-10-28 09:15:17,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:15:17,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:15:17,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:15:17,668 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:15:17,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:15:17,764 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:15:17,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17 WrapperNode [2021-10-28 09:15:17,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:15:17,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:15:17,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:15:17,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:15:17,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:15:17,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:15:17,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:15:17,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:15:17,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:15:17,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:15:17,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:15:17,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:15:17,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (1/1) ... [2021-10-28 09:15:17,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:17,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:17,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:17,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:15:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:15:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:15:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:15:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:15:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:15:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:15:18,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:15:18,378 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:15:18,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:18 BoogieIcfgContainer [2021-10-28 09:15:18,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:15:18,382 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:15:18,382 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:15:18,386 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:15:18,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:15:18,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:15:17" (1/3) ... [2021-10-28 09:15:18,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2be56faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:15:18, skipping insertion in model container [2021-10-28 09:15:18,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:15:18,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:17" (2/3) ... [2021-10-28 09:15:18,391 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2be56faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:15:18, skipping insertion in model container [2021-10-28 09:15:18,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:15:18,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:18" (3/3) ... [2021-10-28 09:15:18,402 INFO L389 chiAutomizerObserver]: Analyzing ICFG stpcpy.i [2021-10-28 09:15:18,454 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:15:18,454 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:15:18,454 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:15:18,455 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:15:18,455 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:15:18,455 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:15:18,455 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:15:18,455 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:15:18,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-10-28 09:15:18,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:15:18,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:15:18,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:15:18,513 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:15:18,513 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:15:18,513 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:15:18,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-10-28 09:15:18,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:15:18,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:15:18,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:15:18,516 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:15:18,516 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:15:18,524 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet5;havoc main_#t~nondet5; 9#L512true assume !(main_~in_len~0 < 1);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet7;havoc main_#t~nondet7; 11#L516true assume !(main_~out_len~0 < main_~in_len~0);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;stpcpy_#in~dst.base, stpcpy_#in~dst.offset, stpcpy_#in~src.base, stpcpy_#in~src.offset := main_~out~0.base, main_~out~0.offset, main_~in~0.base, main_~in~0.offset;havoc stpcpy_#res.base, stpcpy_#res.offset;havoc stpcpy_#t~post2.base, stpcpy_#t~post2.offset, stpcpy_#t~post3.base, stpcpy_#t~post3.offset, stpcpy_#t~mem4, stpcpy_~dst.base, stpcpy_~dst.offset, stpcpy_~src.base, stpcpy_~src.offset;stpcpy_~dst.base, stpcpy_~dst.offset := stpcpy_#in~dst.base, stpcpy_#in~dst.offset;stpcpy_~src.base, stpcpy_~src.offset := stpcpy_#in~src.base, stpcpy_#in~src.offset; 12#L507-3true [2021-10-28 09:15:18,528 INFO L793 eck$LassoCheckResult]: Loop: 12#L507-3true stpcpy_#t~post2.base, stpcpy_#t~post2.offset := stpcpy_~dst.base, stpcpy_~dst.offset;stpcpy_~dst.base, stpcpy_~dst.offset := stpcpy_#t~post2.base, 1 + stpcpy_#t~post2.offset;stpcpy_#t~post3.base, stpcpy_#t~post3.offset := stpcpy_~src.base, stpcpy_~src.offset;stpcpy_~src.base, stpcpy_~src.offset := stpcpy_#t~post3.base, 1 + stpcpy_#t~post3.offset;call stpcpy_#t~mem4 := read~int(stpcpy_#t~post3.base, stpcpy_#t~post3.offset, 1);call write~int(stpcpy_#t~mem4, stpcpy_#t~post2.base, stpcpy_#t~post2.offset, 1); 6#L507-1true assume !!(0 != stpcpy_#t~mem4);havoc stpcpy_#t~post2.base, stpcpy_#t~post2.offset;havoc stpcpy_#t~post3.base, stpcpy_#t~post3.offset;havoc stpcpy_#t~mem4; 12#L507-3true [2021-10-28 09:15:18,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:18,535 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-28 09:15:18,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:18,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581002845] [2021-10-28 09:15:18,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:18,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:18,663 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:15:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:18,721 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:15:18,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:18,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2021-10-28 09:15:18,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:18,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283380715] [2021-10-28 09:15:18,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:18,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:18,744 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:15:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:18,765 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:15:18,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:18,768 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2021-10-28 09:15:18,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:18,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717372671] [2021-10-28 09:15:18,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:18,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:18,819 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:15:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:15:18,879 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:15:19,806 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:15:19,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:15:19,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:15:19,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:15:19,807 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:15:19,807 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:19,807 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:15:19,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:15:19,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: stpcpy.i_Iteration1_Lasso [2021-10-28 09:15:19,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:15:19,808 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:15:19,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:19,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:19,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:19,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:19,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:19,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:19,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:19,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:19,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:20,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:20,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:20,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:20,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:20,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:20,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:15:21,036 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:15:21,044 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:15:21,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,057 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 [2021-10-28 09:15:21,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:21,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:21,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:21,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:15:21,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,128 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,134 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 [2021-10-28 09:15:21,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:21,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:21,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:21,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:15:21,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,216 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 [2021-10-28 09:15:21,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:15:21,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:21,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:21,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:21,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:15:21,297 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 [2021-10-28 09:15:21,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:21,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:21,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:21,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 09:15:21,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,351 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,360 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 [2021-10-28 09:15:21,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:15:21,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:21,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:15:21,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,430 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,437 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 [2021-10-28 09:15:21,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:21,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:15:21,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:15:21,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,522 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,529 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 [2021-10-28 09:15:21,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:21,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:21,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:21,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:15:21,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,602 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,608 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 [2021-10-28 09:15:21,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:15:21,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:15:21,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:15:21,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:15:21,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,647 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:15:21,649 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 [2021-10-28 09:15:21,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:21,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:15:21,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,714 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:15:21,720 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 [2021-10-28 09:15:21,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:21,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:15:21,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,814 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,820 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 [2021-10-28 09:15:21,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:21,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:15:21,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:15:21,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,878 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,884 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 [2021-10-28 09:15:21,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:21,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:15:21,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:15:21,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:21,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:21,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:21,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:21,952 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:21,960 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 [2021-10-28 09:15:21,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:21,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:21,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:21,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:21,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:21,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:15:21,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:15:21,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:15:22,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:22,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:22,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:22,017 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:22,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:15:22,020 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 [2021-10-28 09:15:22,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:15:22,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:15:22,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:15:22,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:15:22,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:15:22,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:15:22,068 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:15:22,134 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 09:15:22,134 INFO L444 ModelExtractionUtils]: 21 out of 40 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-28 09:15:22,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:15:22,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:22,138 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:22,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:15:22,192 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:15:22,241 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:15:22,242 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:15:22,242 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_stpcpy_~src.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1) = -1*ULTIMATE.start_stpcpy_~src.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1 Supporting invariants [] [2021-10-28 09:15:22,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:22,350 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2021-10-28 09:15:22,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:15:22,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-28 09:15:22,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:15:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:15:22,531 WARN L261 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-28 09:15:22,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:15:22,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:15:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:15:22,636 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 09:15:22,637 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-10-28 09:15:22,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 26 states and 27 transitions. Complement of second has 7 states. [2021-10-28 09:15:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:15:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-10-28 09:15:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-28 09:15:22,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:15:22,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:15:22,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-28 09:15:22,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:15:22,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-28 09:15:22,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:15:22,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 27 transitions. [2021-10-28 09:15:22,704 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:15:22,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2021-10-28 09:15:22,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:15:22,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:15:22,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:15:22,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:15:22,708 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:15:22,708 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:15:22,708 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:15:22,708 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:15:22,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:15:22,708 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:15:22,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:15:22,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:15:22 BoogieIcfgContainer [2021-10-28 09:15:22,713 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:15:22,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:15:22,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:15:22,713 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:15:22,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:18" (3/4) ... [2021-10-28 09:15:22,716 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:15:22,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:15:22,718 INFO L168 Benchmark]: Toolchain (without parser) took 5515.89 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 68.6 MB in the beginning and 102.1 MB in the end (delta: -33.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:22,718 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 115.3 MB. Free memory is still 86.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:22,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.12 ms. Allocated memory is still 115.3 MB. Free memory was 68.4 MB in the beginning and 83.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:22,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.06 ms. Allocated memory is still 115.3 MB. Free memory was 83.2 MB in the beginning and 81.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:22,720 INFO L168 Benchmark]: Boogie Preprocessor took 75.55 ms. Allocated memory is still 115.3 MB. Free memory was 81.4 MB in the beginning and 79.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:22,721 INFO L168 Benchmark]: RCFGBuilder took 480.10 ms. Allocated memory is still 115.3 MB. Free memory was 79.9 MB in the beginning and 69.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:22,721 INFO L168 Benchmark]: BuchiAutomizer took 4330.99 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 69.9 MB in the beginning and 102.1 MB in the end (delta: -32.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:22,722 INFO L168 Benchmark]: Witness Printer took 3.25 ms. Allocated memory is still 138.4 MB. Free memory is still 102.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:22,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 115.3 MB. Free memory is still 86.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 561.12 ms. Allocated memory is still 115.3 MB. Free memory was 68.4 MB in the beginning and 83.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.06 ms. Allocated memory is still 115.3 MB. Free memory was 83.2 MB in the beginning and 81.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.55 ms. Allocated memory is still 115.3 MB. Free memory was 81.4 MB in the beginning and 79.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 480.10 ms. Allocated memory is still 115.3 MB. Free memory was 79.9 MB in the beginning and 69.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4330.99 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 69.9 MB in the beginning and 102.1 MB in the end (delta: -32.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.25 ms. Allocated memory is still 138.4 MB. Free memory is still 102.1 MB. 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 unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * src and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. 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: 11 SDtfs, 13 SDslu, 6 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital190 mio100 ax100 hnf100 lsp96 ukn88 mio100 lsp44 div100 bol100 ite100 ukn100 eq200 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms 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! [2021-10-28 09:15:22,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c69d636-1eac-430f-ade5-b711d63f5c4d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...