./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be --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 b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:58:24,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:58:24,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:58:24,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:58:24,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:58:24,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:58:24,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:58:24,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:58:24,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:58:24,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:58:24,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:58:24,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:58:24,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:58:24,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:58:24,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:58:24,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:58:24,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:58:24,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:58:24,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:58:24,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:58:24,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:58:24,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:58:24,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:58:24,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:58:24,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:58:24,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:58:24,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:58:24,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:58:24,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:58:24,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:58:24,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:58:24,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:58:24,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:58:24,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:58:24,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:58:24,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:58:24,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:58:24,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:58:24,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:58:24,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:58:24,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:58:24,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:58:24,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:58:24,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:58:24,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:58:24,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:58:24,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:58:24,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:58:24,330 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:58:24,331 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:58:24,331 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:58:24,331 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:58:24,332 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:58:24,332 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:58:24,333 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:58:24,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:58:24,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:58:24,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:58:24,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:58:24,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:58:24,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:58:24,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:58:24,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:58:24,334 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:58:24,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:58:24,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:58:24,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:58:24,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:58:24,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:58:24,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:58:24,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:58:24,339 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:58:24,339 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_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 [2021-10-21 19:58:24,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:58:24,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:58:24,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:58:24,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:58:24,620 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:58:24,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2021-10-21 19:58:24,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/data/6b9ed6d1d/6ab1d592afd04c30a3eceae8da6ce0b3/FLAG21b4941a3 [2021-10-21 19:58:25,200 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:58:25,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2021-10-21 19:58:25,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/data/6b9ed6d1d/6ab1d592afd04c30a3eceae8da6ce0b3/FLAG21b4941a3 [2021-10-21 19:58:25,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/data/6b9ed6d1d/6ab1d592afd04c30a3eceae8da6ce0b3 [2021-10-21 19:58:25,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:58:25,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:58:25,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:58:25,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:58:25,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:58:25,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:58:25" (1/1) ... [2021-10-21 19:58:25,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7601607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:25, skipping insertion in model container [2021-10-21 19:58:25,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:58:25" (1/1) ... [2021-10-21 19:58:25,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:58:25,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:58:25,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:58:25,937 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:58:25,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:58:26,013 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:58:26,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26 WrapperNode [2021-10-21 19:58:26,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:58:26,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:58:26,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:58:26,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:58:26,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:58:26,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:58:26,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:58:26,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:58:26,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:58:26,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:58:26,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:58:26,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:58:26,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (1/1) ... [2021-10-21 19:58:26,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:26,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:26,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:26,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:58:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:58:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:58:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:58:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:58:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:58:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:58:26,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:58:26,413 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:58:26,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:58:26 BoogieIcfgContainer [2021-10-21 19:58:26,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:58:26,416 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:58:26,416 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:58:26,420 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:58:26,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:58:26,421 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:58:25" (1/3) ... [2021-10-21 19:58:26,422 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26f64107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:58:26, skipping insertion in model container [2021-10-21 19:58:26,422 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:58:26,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:26" (2/3) ... [2021-10-21 19:58:26,423 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26f64107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:58:26, skipping insertion in model container [2021-10-21 19:58:26,423 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:58:26,423 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:58:26" (3/3) ... [2021-10-21 19:58:26,424 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcpy_malloc.i [2021-10-21 19:58:26,469 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:58:26,469 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:58:26,469 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:58:26,470 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:58:26,470 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:58:26,470 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:58:26,470 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:58:26,470 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:58:26,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:26,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:58:26,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:58:26,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:58:26,523 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 19:58:26,523 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:58:26,523 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:58:26,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:26,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:58:26,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:58:26,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:58:26,526 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 19:58:26,526 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:58:26,549 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 8#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 6#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;havoc main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;havoc main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 12#L368-3true [2021-10-21 19:58:26,549 INFO L793 eck$LassoCheckResult]: Loop: 12#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 9#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207; 12#L368-3true [2021-10-21 19:58:26,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:26,555 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-10-21 19:58:26,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:26,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327577465] [2021-10-21 19:58:26,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:26,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:58:26,749 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:58:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:58:26,813 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:58:26,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:26,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2021-10-21 19:58:26,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:26,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64409344] [2021-10-21 19:58:26,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:26,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:58:26,844 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:58:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:58:26,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:58:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:26,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2021-10-21 19:58:26,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:26,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067787145] [2021-10-21 19:58:26,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:26,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:58:26,923 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:58:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:58:26,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:58:27,778 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:58:27,779 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:58:27,779 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:58:27,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:58:27,779 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:58:27,780 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:27,780 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:58:27,780 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:58:27,780 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_malloc.i_Iteration1_Lasso [2021-10-21 19:58:27,780 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:58:27,781 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:58:27,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:27,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:28,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:28,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:28,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:28,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:28,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:28,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:58:28,985 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:58:28,989 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:58:28,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:28,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:28,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:28,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:58:29,002 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 [2021-10-21 19:58:29,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,090 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 [2021-10-21 19:58:29,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:58:29,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,163 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 [2021-10-21 19:58:29,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:58:29,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,199 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:58:29,204 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 [2021-10-21 19:58:29,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:58:29,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:58:29,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,282 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 [2021-10-21 19:58:29,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:58:29,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,342 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:58:29,355 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 [2021-10-21 19:58:29,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,398 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:58:29,402 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 [2021-10-21 19:58:29,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:58:29,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:58:29,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,456 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:58:29,458 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 [2021-10-21 19:58:29,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,492 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:58:29,496 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 [2021-10-21 19:58:29,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,526 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:58:29,531 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 [2021-10-21 19:58:29,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,573 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:58:29,575 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 [2021-10-21 19:58:29,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,613 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:58:29,617 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 [2021-10-21 19:58:29,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:58:29,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:29,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,669 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:58:29,671 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 [2021-10-21 19:58:29,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:58:29,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,678 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:58:29,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,679 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:58:29,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:58:29,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:58:29,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-21 19:58:29,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,719 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:58:29,723 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 [2021-10-21 19:58:29,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:58:29,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:58:29,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:58:29,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:58:29,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:58:29,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:58:29,789 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:58:29,889 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2021-10-21 19:58:29,889 INFO L444 ModelExtractionUtils]: 27 out of 46 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-21 19:58:29,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:58:29,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:29,908 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:29,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:58:29,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:58:30,001 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:58:30,001 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:58:30,002 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString~0.base)_1, ULTIMATE.start_cstrcpy_~src~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0.base)_1 - 1*ULTIMATE.start_cstrcpy_~src~0.offset Supporting invariants [] [2021-10-21 19:58:30,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:30,064 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-10-21 19:58:30,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:30,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:58:30,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:58:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:30,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:58:30,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:58:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:58:30,198 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 [2021-10-21 19:58:30,199 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:30,259 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 30 transitions. Complement of second has 5 states. [2021-10-21 19:58:30,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:58:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2021-10-21 19:58:30,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 19:58:30,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:58:30,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-21 19:58:30,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:58:30,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-21 19:58:30,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:58:30,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2021-10-21 19:58:30,268 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:58:30,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-10-21 19:58:30,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:58:30,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:58:30,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:58:30,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:58:30,272 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:58:30,272 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:58:30,272 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:58:30,272 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:58:30,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:58:30,272 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:58:30,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:58:30,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:58:30 BoogieIcfgContainer [2021-10-21 19:58:30,277 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:58:30,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:58:30,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:58:30,278 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:58:30,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:58:26" (3/4) ... [2021-10-21 19:58:30,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:58:30,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:58:30,282 INFO L168 Benchmark]: Toolchain (without parser) took 4766.53 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 71.5 MB in the beginning and 112.8 MB in the end (delta: -41.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:58:30,283 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 89.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:58:30,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.74 ms. Allocated memory is still 113.2 MB. Free memory was 71.2 MB in the beginning and 79.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:30,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.49 ms. Allocated memory is still 113.2 MB. Free memory was 79.4 MB in the beginning and 77.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:30,285 INFO L168 Benchmark]: Boogie Preprocessor took 33.98 ms. Allocated memory is still 113.2 MB. Free memory was 77.7 MB in the beginning and 76.8 MB in the end (delta: 973.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:58:30,285 INFO L168 Benchmark]: RCFGBuilder took 304.55 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 66.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:30,286 INFO L168 Benchmark]: BuchiAutomizer took 3861.22 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 66.3 MB in the beginning and 113.8 MB in the end (delta: -47.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:58:30,286 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 142.6 MB. Free memory was 113.8 MB in the beginning and 112.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:58:30,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 89.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 497.74 ms. Allocated memory is still 113.2 MB. Free memory was 71.2 MB in the beginning and 79.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.49 ms. Allocated memory is still 113.2 MB. Free memory was 79.4 MB in the beginning and 77.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.98 ms. Allocated memory is still 113.2 MB. Free memory was 77.7 MB in the beginning and 76.8 MB in the end (delta: 973.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 304.55 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 66.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3861.22 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 66.3 MB in the beginning and 113.8 MB in the end (delta: -47.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.13 ms. Allocated memory is still 142.6 MB. Free memory was 113.8 MB in the beginning and 112.8 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * src + unknown-#length-unknown[nondetString] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 15 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital200 mio100 ax100 hnf100 lsp97 ukn86 mio100 lsp46 div100 bol100 ite100 ukn100 eq200 hnf87 smp100 dnf176 smp91 tf100 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:58:30,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:30,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdbe56f-bd26-42ad-9df7-5bde15e0fdcd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...