./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 587c6ddef36e305e9365400029fae893a4e27009 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:55:15,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:55:15,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:55:15,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:55:15,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:55:15,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:55:15,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:55:15,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:55:15,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:55:15,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:55:15,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:55:15,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:55:15,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:55:15,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:55:15,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:55:15,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:55:15,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:55:15,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:55:15,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:55:15,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:55:15,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:55:15,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:55:15,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:55:15,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:55:15,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:55:15,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:55:15,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:55:15,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:55:15,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:55:15,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:55:15,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:55:15,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:55:15,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:55:15,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:55:15,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:55:15,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:55:15,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:55:15,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:55:15,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:55:15,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:55:15,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:55:15,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:55:15,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:55:15,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:55:15,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:55:15,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:55:15,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:55:15,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:55:15,994 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:55:15,994 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:55:15,994 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:55:15,995 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:55:15,995 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:55:15,995 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:55:15,996 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:55:15,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:55:15,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:55:15,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:55:15,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:55:15,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:55:15,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:55:15,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:55:15,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:55:15,998 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:55:15,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:55:15,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:55:15,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:55:15,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:55:15,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:55:16,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:55:16,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:55:16,001 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:55:16,001 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_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 587c6ddef36e305e9365400029fae893a4e27009 [2021-10-13 00:55:16,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:55:16,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:55:16,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:55:16,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:55:16,347 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:55:16,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2021-10-13 00:55:16,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/data/209d03f7e/1faa98fda7dd4fab80e62d51fb01c58c/FLAG751cc14ed [2021-10-13 00:55:17,017 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:55:17,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2021-10-13 00:55:17,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/data/209d03f7e/1faa98fda7dd4fab80e62d51fb01c58c/FLAG751cc14ed [2021-10-13 00:55:17,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/data/209d03f7e/1faa98fda7dd4fab80e62d51fb01c58c [2021-10-13 00:55:17,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:55:17,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:55:17,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:55:17,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:55:17,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:55:17,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c4e87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17, skipping insertion in model container [2021-10-13 00:55:17,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:55:17,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:55:17,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:55:17,780 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:55:17,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:55:17,870 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:55:17,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17 WrapperNode [2021-10-13 00:55:17,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:55:17,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:55:17,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:55:17,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:55:17,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:55:17,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:55:17,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:55:17,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:55:17,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:55:17,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:55:17,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:55:17,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:55:17,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (1/1) ... [2021-10-13 00:55:17,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:17,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:18,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:18,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:55:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:55:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:55:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:55:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:55:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:55:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:55:18,373 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:55:18,373 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:55:18,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:55:18 BoogieIcfgContainer [2021-10-13 00:55:18,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:55:18,377 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:55:18,377 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:55:18,382 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:55:18,383 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:55:18,383 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:55:17" (1/3) ... [2021-10-13 00:55:18,385 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54339e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:55:18, skipping insertion in model container [2021-10-13 00:55:18,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:55:18,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:17" (2/3) ... [2021-10-13 00:55:18,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54339e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:55:18, skipping insertion in model container [2021-10-13 00:55:18,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:55:18,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:55:18" (3/3) ... [2021-10-13 00:55:18,388 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcpy_reverse_alloca.i [2021-10-13 00:55:18,444 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:55:18,444 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:55:18,444 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:55:18,444 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:55:18,445 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:55:18,445 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:55:18,445 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:55:18,445 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:55:18,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:55:18,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:55:18,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:55:18,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:55:18,540 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:55:18,541 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:55:18,541 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:55:18,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:55:18,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:55:18,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:55:18,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:55:18,545 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:55:18,545 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:55:18,553 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 8#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 6#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset, 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~length1~0 - 1);main_~nondetString~0.base, main_~nondetString~0.offset := main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 12#L368-3true [2021-10-13 00:55:18,553 INFO L793 eck$LassoCheckResult]: Loop: 12#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset - 1;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset - 1;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 9#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207; 12#L368-3true [2021-10-13 00:55:18,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:18,576 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-10-13 00:55:18,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:55:18,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352491534] [2021-10-13 00:55:18,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:18,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:55:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:18,745 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:55:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:18,815 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:55:18,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:18,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2021-10-13 00:55:18,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:55:18,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401857302] [2021-10-13 00:55:18,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:18,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:55:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:18,842 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:55:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:18,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:55:18,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:18,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2021-10-13 00:55:18,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:55:18,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289905348] [2021-10-13 00:55:18,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:18,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:55:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:18,907 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:55:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:18,962 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:55:20,008 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:55:20,009 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:55:20,009 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:55:20,009 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:55:20,009 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:55:20,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:20,009 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:55:20,010 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:55:20,010 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_reverse_alloca.i_Iteration1_Lasso [2021-10-13 00:55:20,010 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:55:20,010 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:55:20,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:21,238 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:55:21,244 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:55:21,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:55:21,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:21,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:21,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:55:21,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-13 00:55:21,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:55:21,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:21,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:21,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:55:21,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:21,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,545 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:55:21,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:21,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:55:21,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:21,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:21,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,712 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:55:21,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:21,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,753 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:55:21,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:21,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,799 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:55:21,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:21,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,840 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:55:21,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:21,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,884 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:55:21,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:21,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:21,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,960 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:55:21,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:21,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:22,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:22,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,036 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:55:22,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:22,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:22,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:22,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:22,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:22,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,124 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:55:22,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:22,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:22,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:22,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:22,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-13 00:55:22,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,167 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:55:22,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:22,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:22,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:22,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:22,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:55:22,312 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-13 00:55:22,312 INFO L444 ModelExtractionUtils]: 33 out of 52 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-13 00:55:22,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,315 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,321 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:55:22,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:55:22,380 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:55:22,380 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:55:22,381 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1, ULTIMATE.start_cstrcpy_~dst~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 + 2*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [] [2021-10-13 00:55:22,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:22,471 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-10-13 00:55:22,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:55:22,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:55:22,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:55:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:55:22,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:55:22,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:55:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:55:22,695 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:55:22,708 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-10-13 00:55:22,776 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 24 states and 27 transitions. Complement of second has 6 states. [2021-10-13 00:55:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:55:22,779 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) [2021-10-13 00:55:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-10-13 00:55:22,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:55:22,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:55:22,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 00:55:22,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:55:22,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 00:55:22,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:55:22,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2021-10-13 00:55:22,787 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:55:22,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-10-13 00:55:22,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:55:22,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:55:22,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:55:22,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:55:22,791 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:55:22,791 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:55:22,791 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:55:22,791 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:55:22,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:55:22,791 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:55:22,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:55:22,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:55:22 BoogieIcfgContainer [2021-10-13 00:55:22,797 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:55:22,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:55:22,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:55:22,798 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:55:22,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:55:18" (3/4) ... [2021-10-13 00:55:22,801 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:55:22,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:55:22,803 INFO L168 Benchmark]: Toolchain (without parser) took 5455.26 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 48.5 MB in the beginning and 40.7 MB in the end (delta: 7.8 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:22,804 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:55:22,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.10 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 48.3 MB in the beginning and 84.1 MB in the end (delta: -35.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:22,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.12 ms. Allocated memory is still 115.3 MB. Free memory was 84.1 MB in the beginning and 82.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:22,806 INFO L168 Benchmark]: Boogie Preprocessor took 28.62 ms. Allocated memory is still 115.3 MB. Free memory was 82.2 MB in the beginning and 81.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:22,807 INFO L168 Benchmark]: RCFGBuilder took 421.58 ms. Allocated memory is still 115.3 MB. Free memory was 81.0 MB in the beginning and 70.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:22,807 INFO L168 Benchmark]: BuchiAutomizer took 4420.41 ms. Allocated memory is still 115.3 MB. Free memory was 70.6 MB in the beginning and 40.7 MB in the end (delta: 29.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:22,808 INFO L168 Benchmark]: Witness Printer took 3.69 ms. Allocated memory is still 115.3 MB. Free memory is still 40.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:55:22,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 523.10 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 48.3 MB in the beginning and 84.1 MB in the end (delta: -35.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.12 ms. Allocated memory is still 115.3 MB. Free memory was 84.1 MB in the beginning and 82.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.62 ms. Allocated memory is still 115.3 MB. Free memory was 82.2 MB in the beginning and 81.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 421.58 ms. Allocated memory is still 115.3 MB. Free memory was 81.0 MB in the beginning and 70.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4420.41 ms. Allocated memory is still 115.3 MB. Free memory was 70.6 MB in the beginning and 40.7 MB in the end (delta: 29.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.69 ms. Allocated memory is still 115.3 MB. Free memory is still 40.7 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 2 * dst + unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital214 mio100 ax100 hnf100 lsp97 ukn92 mio100 lsp51 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:55:22,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:23,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede3d78-a1aa-47ad-bf88-09c41ce93440/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...