./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcat.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_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcat.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD --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 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:36:24,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:36:24,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:36:24,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:36:24,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:36:24,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:36:24,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:36:24,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:36:24,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:36:24,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:36:24,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:36:24,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:36:24,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:36:24,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:36:24,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:36:24,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:36:24,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:36:24,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:36:24,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:36:24,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:36:24,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:36:24,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:36:24,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:36:24,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:36:24,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:36:24,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:36:24,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:36:24,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:36:24,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:36:24,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:36:24,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:36:24,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:36:24,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:36:24,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:36:24,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:36:24,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:36:24,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:36:24,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:36:24,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:36:24,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:36:24,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:36:24,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:36:25,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:36:25,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:36:25,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:36:25,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:36:25,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:36:25,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:36:25,006 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:36:25,006 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:36:25,007 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:36:25,007 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:36:25,007 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:36:25,008 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:36:25,008 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:36:25,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:36:25,008 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:36:25,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:36:25,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:36:25,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:36:25,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:36:25,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:36:25,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:36:25,010 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:36:25,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:36:25,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:36:25,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:36:25,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:36:25,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:36:25,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:36:25,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:36:25,014 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:36:25,014 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_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 [2021-10-28 23:36:25,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:36:25,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:36:25,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:36:25,376 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:36:25,377 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:36:25,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-dietlibc/strlcat.i [2021-10-28 23:36:25,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/data/908d33514/cac052c1020248078a46782039e44d9c/FLAG9e05ecc07 [2021-10-28 23:36:26,097 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:36:26,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/sv-benchmarks/c/termination-dietlibc/strlcat.i [2021-10-28 23:36:26,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/data/908d33514/cac052c1020248078a46782039e44d9c/FLAG9e05ecc07 [2021-10-28 23:36:26,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/data/908d33514/cac052c1020248078a46782039e44d9c [2021-10-28 23:36:26,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:36:26,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:36:26,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:26,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:36:26,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:36:26,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:26,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487ad4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26, skipping insertion in model container [2021-10-28 23:36:26,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:26,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:36:26,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:36:26,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:26,861 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:36:26,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:26,962 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:36:26,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26 WrapperNode [2021-10-28 23:36:26,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:26,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:26,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:36:26,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:36:26,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:27,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:36:27,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:36:27,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:36:27,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:36:27,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:36:27,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:36:27,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:36:27,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (1/1) ... [2021-10-28 23:36:27,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:27,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:27,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:27,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:36:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:36:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:36:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:36:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:36:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:36:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:36:27,726 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:36:27,726 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-28 23:36:27,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:27 BoogieIcfgContainer [2021-10-28 23:36:27,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:36:27,729 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:36:27,730 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:36:27,733 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:36:27,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:36:27,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:36:26" (1/3) ... [2021-10-28 23:36:27,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b3d8a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:36:27, skipping insertion in model container [2021-10-28 23:36:27,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:36:27,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:26" (2/3) ... [2021-10-28 23:36:27,737 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b3d8a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:36:27, skipping insertion in model container [2021-10-28 23:36:27,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:36:27,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:27" (3/3) ... [2021-10-28 23:36:27,739 INFO L389 chiAutomizerObserver]: Analyzing ICFG strlcat.i [2021-10-28 23:36:27,793 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:36:27,794 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:36:27,794 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:36:27,794 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:36:27,794 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:36:27,795 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:36:27,795 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:36:27,795 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:36:27,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 23:36:27,844 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-28 23:36:27,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:27,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:27,851 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:36:27,851 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:36:27,852 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:36:27,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 23:36:27,855 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-28 23:36:27,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:27,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:27,856 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:36:27,856 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:36:27,865 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, 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~nondet15;havoc main_#t~nondet15; 5#L539true assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.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~nondet17;havoc main_#t~nondet17; 21#L543true assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 7#L521-5true [2021-10-28 23:36:27,866 INFO L793 eck$LassoCheckResult]: Loop: 7#L521-5true call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 19#L521-1true assume strlcat_#t~short7;strlcat_#t~post6 := strlcat_~n~0;strlcat_~n~0 := strlcat_#t~post6 - 1;strlcat_#t~short7 := 0 != strlcat_#t~post6; 12#L521-3true assume !!strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7;strlcat_#t~post8.base, strlcat_#t~post8.offset := strlcat_~d~0.base, strlcat_~d~0.offset;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_#t~post8.base, 1 + strlcat_#t~post8.offset;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset; 7#L521-5true [2021-10-28 23:36:27,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:27,874 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-28 23:36:27,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:27,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266309056] [2021-10-28 23:36:27,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:27,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:28,025 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:28,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:28,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:28,088 INFO L85 PathProgramCache]: Analyzing trace with hash 46776, now seen corresponding path program 1 times [2021-10-28 23:36:28,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:28,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60062179] [2021-10-28 23:36:28,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:28,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:28,103 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:28,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:28,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:28,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907761, now seen corresponding path program 1 times [2021-10-28 23:36:28,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:28,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579409199] [2021-10-28 23:36:28,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:28,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:28,179 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:28,237 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:29,506 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:36:29,507 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:36:29,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:36:29,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:36:29,508 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:36:29,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:29,508 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:36:29,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:36:29,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration1_Lasso [2021-10-28 23:36:29,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:36:29,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:36:29,556 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 23:36:29,563 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 23:36:29,571 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 23:36:29,574 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 23:36:29,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:30,022 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 23:36:30,025 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 23:36:30,028 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 23:36:30,030 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 23:36:30,034 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 23:36:30,036 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 23:36:30,040 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 23:36:30,043 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 23:36:30,046 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 23:36:30,050 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 23:36:30,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:30,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:30,057 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 23:36:30,060 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 23:36:30,063 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 23:36:30,067 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 23:36:30,070 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 23:36:30,566 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:36:30,571 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:36:30,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:30,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:30,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:30,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:36:30,583 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 23:36:30,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:30,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:30,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:30,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:30,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:30,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:30,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:30,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:30,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:30,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:30,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:30,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:30,667 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 23:36:30,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:30,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:30,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:30,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:30,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:30,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:30,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:36:30,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:30,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:30,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:30,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:30,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:30,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:36:30,722 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 23:36:30,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:30,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:30,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:30,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:30,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:30,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:30,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:30,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:30,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:30,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:30,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:30,774 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:30,793 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 23:36:30,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:30,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:30,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:30,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:30,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:30,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:30,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:30,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:36:30,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:30,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:30,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:30,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:30,854 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:30,862 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 23:36:30,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:30,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:30,873 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:36:30,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:30,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:36:30,915 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 23:36:30,916 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 23:36:30,946 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:36:31,012 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 23:36:31,012 INFO L444 ModelExtractionUtils]: 22 out of 31 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-28 23:36:31,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:31,030 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:31,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:36:31,102 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:36:31,136 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-28 23:36:31,136 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:36:31,137 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcat_~n~0) = 1*ULTIMATE.start_strlcat_~n~0 Supporting invariants [1*ULTIMATE.start_strlcat_~n~0 >= 0] [2021-10-28 23:36:31,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:31,214 INFO L297 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2021-10-28 23:36:31,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:31,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:36:31,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:31,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:36:31,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:31,427 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 23:36:31,448 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 [2021-10-28 23:36:31,449 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 1.75) internal successors, (7), 4 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) [2021-10-28 23:36:31,539 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 1.75) internal successors, (7), 4 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 57 states and 80 transitions. Complement of second has 7 states. [2021-10-28 23:36:31,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:36:31,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-10-28 23:36:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2021-10-28 23:36:31,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-28 23:36:31,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:31,566 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:36:31,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:31,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:36:31,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:31,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:36:31,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:31,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:31,742 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 23:36:31,743 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:36:31,743 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 1.75) internal successors, (7), 4 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) [2021-10-28 23:36:31,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 1.75) internal successors, (7), 4 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 54 states and 76 transitions. Complement of second has 8 states. [2021-10-28 23:36:31,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:36:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-10-28 23:36:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2021-10-28 23:36:31,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-28 23:36:31,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:31,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-28 23:36:31,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:31,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-28 23:36:31,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:31,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2021-10-28 23:36:31,802 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-28 23:36:31,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 26 states and 34 transitions. [2021-10-28 23:36:31,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 23:36:31,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-10-28 23:36:31,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-10-28 23:36:31,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:36:31,810 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-28 23:36:31,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-10-28 23:36:31,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2021-10-28 23:36:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 23 states have internal predecessors, (31), 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 23:36:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-10-28 23:36:31,844 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-10-28 23:36:31,844 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-10-28 23:36:31,844 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:36:31,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. [2021-10-28 23:36:31,846 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-28 23:36:31,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:31,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:31,847 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:36:31,847 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:36:31,847 INFO L791 eck$LassoCheckResult]: Stem: 269#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 270#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, 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~nondet15;havoc main_#t~nondet15; 267#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.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~nondet17;havoc main_#t~nondet17; 268#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 287#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 272#L521-1 [2021-10-28 23:36:31,847 INFO L793 eck$LassoCheckResult]: Loop: 272#L521-1 assume !strlcat_#t~short7; 285#L521-3 assume !!strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7;strlcat_#t~post8.base, strlcat_#t~post8.offset := strlcat_~d~0.base, strlcat_~d~0.offset;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_#t~post8.base, 1 + strlcat_#t~post8.offset;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset; 271#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 272#L521-1 [2021-10-28 23:36:31,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:31,848 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2021-10-28 23:36:31,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:31,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046225821] [2021-10-28 23:36:31,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:31,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:31,882 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:31,920 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:31,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:31,922 INFO L85 PathProgramCache]: Analyzing trace with hash 51818, now seen corresponding path program 1 times [2021-10-28 23:36:31,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:31,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308930200] [2021-10-28 23:36:31,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:31,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:31,956 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 23:36:31,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:31,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308930200] [2021-10-28 23:36:31,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308930200] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:31,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:31,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:36:31,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510109968] [2021-10-28 23:36:31,963 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:36:31,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:31,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:31,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:31,969 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 23:36:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:31,988 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2021-10-28 23:36:31,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:31,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2021-10-28 23:36:31,990 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 23:36:31,995 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 26 transitions. [2021-10-28 23:36:31,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-28 23:36:31,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 23:36:31,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2021-10-28 23:36:31,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:36:31,996 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-10-28 23:36:31,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2021-10-28 23:36:31,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-10-28 23:36:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 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 23:36:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-10-28 23:36:32,000 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 23:36:32,000 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 23:36:32,000 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:36:32,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-10-28 23:36:32,002 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 23:36:32,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:32,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:32,003 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:32,003 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:36:32,004 INFO L791 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 322#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, 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~nondet15;havoc main_#t~nondet15; 319#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.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~nondet17;havoc main_#t~nondet17; 320#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 323#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 324#L521-1 assume !strlcat_#t~short7; 329#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7; 330#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 316#L525 assume !(0 == strlcat_~n~0); 318#L527-3 [2021-10-28 23:36:32,004 INFO L793 eck$LassoCheckResult]: Loop: 318#L527-3 call strlcat_#t~mem10 := read~int(strlcat_~s~0.base, strlcat_~s~0.offset, 1); 327#L527-1 assume !!(0 != strlcat_#t~mem10);havoc strlcat_#t~mem10; 328#L528 assume 1 != strlcat_~n~0;strlcat_#t~post11.base, strlcat_#t~post11.offset := strlcat_~d~0.base, strlcat_~d~0.offset;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_#t~post11.base, 1 + strlcat_#t~post11.offset;call strlcat_#t~mem12 := read~int(strlcat_~s~0.base, strlcat_~s~0.offset, 1);call write~int(strlcat_#t~mem12, strlcat_#t~post11.base, strlcat_#t~post11.offset, 1);havoc strlcat_#t~post11.base, strlcat_#t~post11.offset;havoc strlcat_#t~mem12;strlcat_#t~post13 := strlcat_~n~0;strlcat_~n~0 := strlcat_#t~post13 - 1;havoc strlcat_#t~post13; 332#L528-2 strlcat_#t~post14.base, strlcat_#t~post14.offset := strlcat_~s~0.base, strlcat_~s~0.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_#t~post14.base, 1 + strlcat_#t~post14.offset;havoc strlcat_#t~post14.base, strlcat_#t~post14.offset; 318#L527-3 [2021-10-28 23:36:32,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:32,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1271629448, now seen corresponding path program 1 times [2021-10-28 23:36:32,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:32,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610151580] [2021-10-28 23:36:32,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:32,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:32,068 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:32,121 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:32,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:32,122 INFO L85 PathProgramCache]: Analyzing trace with hash 2898762, now seen corresponding path program 1 times [2021-10-28 23:36:32,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:32,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938593526] [2021-10-28 23:36:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:32,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:32,131 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:32,140 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:32,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:32,140 INFO L85 PathProgramCache]: Analyzing trace with hash -701290927, now seen corresponding path program 1 times [2021-10-28 23:36:32,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:32,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213726615] [2021-10-28 23:36:32,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:32,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:32,167 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:32,205 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:33,481 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:36:33,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:36:33,481 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:36:33,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:36:33,481 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:36:33,482 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:33,482 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:36:33,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:36:33,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration3_Lasso [2021-10-28 23:36:33,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:36:33,482 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:36:33,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:33,490 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 23:36:33,492 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 23:36:33,494 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 23:36:33,496 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 23:36:33,498 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 23:36:34,153 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 23:36:34,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:34,161 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 23:36:34,164 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 23:36:34,167 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 23:36:34,170 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 23:36:34,173 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 23:36:34,176 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 23:36:34,179 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 23:36:34,182 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 23:36:34,184 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 23:36:34,187 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 23:36:34,189 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 23:36:34,192 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 23:36:34,196 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 23:36:34,945 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:36:34,945 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:36:34,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:34,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:34,957 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:34,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:36:34,963 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 23:36:34,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:34,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:34,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:34,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:34,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:34,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:34,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:34,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 23:36:35,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,015 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:36:35,017 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 23:36:35,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:35,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:35,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:35,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,057 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:36:35,059 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 23:36:35,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:35,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:35,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:35,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,134 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,144 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 23:36:35,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:35,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:35,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:36:35,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,210 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,216 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 23:36:35,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:35,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:35,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:35,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:36:35,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,290 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,296 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 23:36:35,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:35,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:35,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:36:35,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,371 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:36:35,378 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 23:36:35,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:35,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:35,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,447 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,458 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 23:36:35,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:35,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,472 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:36:35,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,481 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:36:35,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:35,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:36:35,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,540 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,548 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 23:36:35,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:35,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:35,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:36:35,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,629 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,638 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 23:36:35,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:35,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:35,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:36:35,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,708 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,715 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 [2021-10-28 23:36:35,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:35,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:35,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:36:35,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,790 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,798 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 23:36:35,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:35,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:36:35,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:35,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:35,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:35,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:35,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:35,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:35,890 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:35,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:36:35,900 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 23:36:35,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:35,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:35,912 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:36:35,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:35,975 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 23:36:35,975 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 23:36:36,086 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:36:36,287 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 23:36:36,288 INFO L444 ModelExtractionUtils]: 70 out of 106 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-10-28 23:36:36,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:36,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:36,289 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:36,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:36:36,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:36:36,331 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-28 23:36:36,331 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:36:36,331 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcat_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_2) = -1*ULTIMATE.start_strlcat_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_2 Supporting invariants [] [2021-10-28 23:36:36,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:36,444 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-10-28 23:36:36,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:36,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:36:36,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:36,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:36:36,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:36,642 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 23:36:36,643 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 23:36:36,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:36,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 5 states. [2021-10-28 23:36:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:36:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-10-28 23:36:36,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-28 23:36:36,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:36,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2021-10-28 23:36:36,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:36,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 8 letters. [2021-10-28 23:36:36,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:36,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-10-28 23:36:36,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:36:36,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 16 states and 19 transitions. [2021-10-28 23:36:36,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 23:36:36,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 23:36:36,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-10-28 23:36:36,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:36:36,712 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 23:36:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-10-28 23:36:36,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 23:36:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 23:36:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-10-28 23:36:36,718 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 23:36:36,718 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 23:36:36,718 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:36:36,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-10-28 23:36:36,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:36:36,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:36,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:36,722 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:36,722 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:36:36,723 INFO L791 eck$LassoCheckResult]: Stem: 502#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 503#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, 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~nondet15;havoc main_#t~nondet15; 500#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.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~nondet17;havoc main_#t~nondet17; 501#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 504#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 505#L521-1 assume !strlcat_#t~short7; 508#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7; 509#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 498#L525 assume 0 == strlcat_~n~0;strlen_#in~s.base, strlen_#in~s.offset := strlcat_~s~0.base, strlcat_~s~0.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 499#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 512#L509-4 [2021-10-28 23:36:36,723 INFO L793 eck$LassoCheckResult]: Loop: 512#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 513#L509-1 assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 511#L509-3 strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 512#L509-4 [2021-10-28 23:36:36,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:36,724 INFO L85 PathProgramCache]: Analyzing trace with hash 765806520, now seen corresponding path program 1 times [2021-10-28 23:36:36,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:36,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125671712] [2021-10-28 23:36:36,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:36,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:36,845 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 23:36:36,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:36,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125671712] [2021-10-28 23:36:36,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125671712] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:36,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:36,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:36:36,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957596777] [2021-10-28 23:36:36,847 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:36:36,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:36,847 INFO L85 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 1 times [2021-10-28 23:36:36,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:36,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106182338] [2021-10-28 23:36:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:36,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:36,859 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:36,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:36,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:36,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:36:36,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:36,932 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 23:36:36,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:36,973 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2021-10-28 23:36:36,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:36:36,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2021-10-28 23:36:36,976 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:36:36,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 20 transitions. [2021-10-28 23:36:36,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 23:36:36,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 23:36:36,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2021-10-28 23:36:36,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:36:36,979 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-10-28 23:36:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2021-10-28 23:36:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-10-28 23:36:36,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 states have internal predecessors, (18), 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 23:36:36,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-10-28 23:36:36,985 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-10-28 23:36:36,985 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-10-28 23:36:36,985 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:36:36,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2021-10-28 23:36:36,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:36:36,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:36,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:36,989 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:36,989 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:36:36,990 INFO L791 eck$LassoCheckResult]: Stem: 551#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 552#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, 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~nondet15;havoc main_#t~nondet15; 549#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.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~nondet17;havoc main_#t~nondet17; 550#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 553#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 554#L521-1 assume strlcat_#t~short7;strlcat_#t~post6 := strlcat_~n~0;strlcat_~n~0 := strlcat_#t~post6 - 1;strlcat_#t~short7 := 0 != strlcat_#t~post6; 559#L521-3 assume !!strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7;strlcat_#t~post8.base, strlcat_#t~post8.offset := strlcat_~d~0.base, strlcat_~d~0.offset;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_#t~post8.base, 1 + strlcat_#t~post8.offset;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset; 555#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 556#L521-1 assume !strlcat_#t~short7; 557#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7; 558#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 547#L525 assume 0 == strlcat_~n~0;strlen_#in~s.base, strlen_#in~s.offset := strlcat_~s~0.base, strlcat_~s~0.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 548#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 561#L509-4 [2021-10-28 23:36:36,990 INFO L793 eck$LassoCheckResult]: Loop: 561#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 562#L509-1 assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 560#L509-3 strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 561#L509-4 [2021-10-28 23:36:36,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:36,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1418286721, now seen corresponding path program 1 times [2021-10-28 23:36:36,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:36,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187582249] [2021-10-28 23:36:36,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:36,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:37,048 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:37,069 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:37,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:37,070 INFO L85 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 2 times [2021-10-28 23:36:37,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:37,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894684351] [2021-10-28 23:36:37,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:37,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:37,077 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:37,082 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:37,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:37,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1708508883, now seen corresponding path program 1 times [2021-10-28 23:36:37,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:37,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843248187] [2021-10-28 23:36:37,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:37,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:37,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:37,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:37,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843248187] [2021-10-28 23:36:37,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843248187] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:37,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029886620] [2021-10-28 23:36:37,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:37,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:37,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:37,243 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:37,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-28 23:36:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:37,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-28 23:36:37,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:37,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-10-28 23:36:37,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:37,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-10-28 23:36:37,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:37,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029886620] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:37,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:36:37,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-10-28 23:36:37,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750697231] [2021-10-28 23:36:37,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:37,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:36:37,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:36:37,987 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 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 23:36:38,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:38,276 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2021-10-28 23:36:38,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:36:38,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 31 transitions. [2021-10-28 23:36:38,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:36:38,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 21 states and 23 transitions. [2021-10-28 23:36:38,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 23:36:38,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 23:36:38,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2021-10-28 23:36:38,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:36:38,279 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2021-10-28 23:36:38,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2021-10-28 23:36:38,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2021-10-28 23:36:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 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 23:36:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-10-28 23:36:38,281 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-10-28 23:36:38,281 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-10-28 23:36:38,281 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 23:36:38,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2021-10-28 23:36:38,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:36:38,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:38,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:38,283 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:38,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:36:38,283 INFO L791 eck$LassoCheckResult]: Stem: 665#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 666#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, 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~nondet15;havoc main_#t~nondet15; 663#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.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~nondet17;havoc main_#t~nondet17; 664#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 667#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 668#L521-1 assume strlcat_#t~short7;strlcat_#t~post6 := strlcat_~n~0;strlcat_~n~0 := strlcat_#t~post6 - 1;strlcat_#t~short7 := 0 != strlcat_#t~post6; 673#L521-3 assume !!strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7;strlcat_#t~post8.base, strlcat_#t~post8.offset := strlcat_~d~0.base, strlcat_~d~0.offset;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_#t~post8.base, 1 + strlcat_#t~post8.offset;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset; 669#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 670#L521-1 assume strlcat_#t~short7;strlcat_#t~post6 := strlcat_~n~0;strlcat_~n~0 := strlcat_#t~post6 - 1;strlcat_#t~short7 := 0 != strlcat_#t~post6; 678#L521-3 assume !!strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7;strlcat_#t~post8.base, strlcat_#t~post8.offset := strlcat_~d~0.base, strlcat_~d~0.offset;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_#t~post8.base, 1 + strlcat_#t~post8.offset;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset; 679#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 677#L521-1 assume !strlcat_#t~short7; 671#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7; 672#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 661#L525 assume 0 == strlcat_~n~0;strlen_#in~s.base, strlen_#in~s.offset := strlcat_~s~0.base, strlcat_~s~0.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 662#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 675#L509-4 [2021-10-28 23:36:38,283 INFO L793 eck$LassoCheckResult]: Loop: 675#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 676#L509-1 assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 674#L509-3 strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 675#L509-4 [2021-10-28 23:36:38,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:38,284 INFO L85 PathProgramCache]: Analyzing trace with hash 433973016, now seen corresponding path program 2 times [2021-10-28 23:36:38,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:38,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991905339] [2021-10-28 23:36:38,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:38,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:38,311 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:38,350 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:38,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:38,357 INFO L85 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 3 times [2021-10-28 23:36:38,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:38,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452490497] [2021-10-28 23:36:38,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:38,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:38,366 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:38,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:38,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:38,375 INFO L85 PathProgramCache]: Analyzing trace with hash 638602550, now seen corresponding path program 2 times [2021-10-28 23:36:38,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:38,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807941872] [2021-10-28 23:36:38,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:38,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:38,425 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:38,463 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:40,053 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:36:40,053 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:36:40,053 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:36:40,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:36:40,054 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:36:40,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:40,054 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:36:40,054 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:36:40,054 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration6_Lasso [2021-10-28 23:36:40,054 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:36:40,054 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:36:40,059 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 23:36:40,062 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 23:36:40,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:40,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:40,564 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 23:36:40,567 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 23:36:40,569 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 23:36:40,572 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 23:36:40,574 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 23:36:40,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:40,581 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 23:36:40,583 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 23:36:40,585 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 23:36:40,587 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 23:36:40,589 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 23:36:40,592 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 23:36:40,596 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 23:36:40,598 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 23:36:40,600 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 23:36:40,603 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 23:36:40,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:40,614 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 23:36:40,617 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 23:36:40,619 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 23:36:40,621 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 23:36:40,623 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 23:36:40,625 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 23:36:41,260 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:36:41,260 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:36:41,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,271 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:36:41,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:41,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:41,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:41,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:41,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,376 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:36:41,378 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 23:36:41,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:41,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,428 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:36:41,430 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 23:36:41,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:41,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:41,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:41,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,461 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:36:41,463 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 23:36:41,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,470 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 23:36:41,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,472 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 23:36:41,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,500 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:36:41,503 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 23:36:41,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:41,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 23:36:41,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,555 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,556 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 23:36:41,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:36:41,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:41,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,599 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:36:41,602 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 23:36:41,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:41,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,675 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:36:41,676 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 23:36:41,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:41,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,684 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:36:41,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,685 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:36:41,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:41,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,712 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:36:41,713 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 23:36:41,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:41,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 23:36:41,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,750 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:36:41,752 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 23:36:41,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:41,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,827 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:36:41,829 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 23:36:41,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:41,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,864 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:36:41,865 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 23:36:41,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,873 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 23:36:41,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,874 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 23:36:41,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 23:36:41,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,905 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:36:41,908 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 23:36:41,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:41,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:41,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:41,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:41,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:41,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:41,967 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:41,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:36:41,971 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 23:36:41,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:41,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:41,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:41,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:41,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:41,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:42,019 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:36:42,100 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-10-28 23:36:42,100 INFO L444 ModelExtractionUtils]: 15 out of 70 variables were initially zero. Simplification set additionally 52 variables to zero. [2021-10-28 23:36:42,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:42,102 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:42,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 23:36:42,103 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:36:42,112 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:36:42,112 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:36:42,112 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s.offset, v_rep(select #length ULTIMATE.start_strlen_~s.base)_1) = -1*ULTIMATE.start_strlen_~s.offset + 1*v_rep(select #length ULTIMATE.start_strlen_~s.base)_1 Supporting invariants [] [2021-10-28 23:36:42,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:42,208 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2021-10-28 23:36:42,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:42,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:36:42,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:42,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:36:42,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:42,346 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 23:36:42,347 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 [2021-10-28 23:36:42,347 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:42,355 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 21 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 25 transitions. Complement of second has 4 states. [2021-10-28 23:36:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:36:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-10-28 23:36:42,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 16 letters. Loop has 3 letters. [2021-10-28 23:36:42,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:42,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 19 letters. Loop has 3 letters. [2021-10-28 23:36:42,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:42,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-28 23:36:42,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:42,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2021-10-28 23:36:42,359 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:36:42,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-10-28 23:36:42,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:36:42,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:36:42,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:36:42,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:36:42,360 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:42,360 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:42,360 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:42,360 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 23:36:42,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:36:42,361 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:36:42,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:36:42,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:36:42 BoogieIcfgContainer [2021-10-28 23:36:42,367 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:36:42,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:36:42,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:36:42,368 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:36:42,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:27" (3/4) ... [2021-10-28 23:36:42,372 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:36:42,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:36:42,374 INFO L168 Benchmark]: Toolchain (without parser) took 16015.14 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 60.9 MB in the beginning and 81.8 MB in the end (delta: -20.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:42,375 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:42,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.68 ms. Allocated memory is still 94.4 MB. Free memory was 60.7 MB in the beginning and 64.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:42,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.33 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 62.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:42,376 INFO L168 Benchmark]: Boogie Preprocessor took 41.59 ms. Allocated memory is still 94.4 MB. Free memory was 62.4 MB in the beginning and 61.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:42,376 INFO L168 Benchmark]: RCFGBuilder took 617.39 ms. Allocated memory is still 94.4 MB. Free memory was 61.0 MB in the beginning and 48.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:42,377 INFO L168 Benchmark]: BuchiAutomizer took 14638.02 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 48.9 MB in the beginning and 82.8 MB in the end (delta: -33.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:42,377 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 138.4 MB. Free memory was 82.8 MB in the beginning and 81.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:42,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 602.68 ms. Allocated memory is still 94.4 MB. Free memory was 60.7 MB in the beginning and 64.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.33 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 62.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.59 ms. Allocated memory is still 94.4 MB. Free memory was 62.4 MB in the beginning and 61.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 617.39 ms. Allocated memory is still 94.4 MB. Free memory was 61.0 MB in the beginning and 48.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14638.02 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 48.9 MB in the beginning and 82.8 MB in the end (delta: -33.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.82 ms. Allocated memory is still 138.4 MB. Free memory was 82.8 MB in the beginning and 81.8 MB in the end (delta: 1.0 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 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.5s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 13.0s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 24 states and ocurred in iteration 1. Nontrivial modules had stage [2, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 76 SDslu, 88 SDs, 0 SdLazy, 94 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital238 mio100 ax100 hnf100 lsp96 ukn83 mio100 lsp44 div100 bol100 ite100 ukn100 eq201 hnf88 smp100 dnf111 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 284ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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 23:36:42,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:42,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-10-28 23:36:42,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97258f-2178-4f6b-9f6c-0427de624c6c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...