./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3 --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 32bit --witnessprinter.graph.data.programhash 836fc197f01e8142cd1fe75cc7c363600c112d62 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:27:37,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:27:37,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:27:37,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:27:37,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:27:37,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:27:37,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:27:37,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:27:37,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:27:37,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:27:37,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:27:37,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:27:37,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:27:37,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:27:37,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:27:37,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:27:37,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:27:37,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:27:37,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:27:37,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:27:37,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:27:37,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:27:37,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:27:37,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:27:37,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:27:37,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:27:37,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:27:37,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:27:37,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:27:37,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:27:37,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:27:37,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:27:37,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:27:37,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:27:37,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:27:37,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:27:37,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:27:37,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:27:37,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:27:37,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:27:37,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:27:37,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 20:27:37,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:27:37,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:27:37,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:27:37,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:27:37,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:27:37,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:27:37,590 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:27:37,590 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 20:27:37,590 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 20:27:37,590 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 20:27:37,592 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 20:27:37,592 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 20:27:37,592 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 20:27:37,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:27:37,593 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:27:37,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:27:37,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:27:37,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:27:37,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:27:37,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 20:27:37,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 20:27:37,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 20:27:37,595 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:27:37,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:27:37,595 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 20:27:37,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:27:37,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 20:27:37,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:27:37,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:27:37,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:27:37,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:27:37,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:27:37,600 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 20:27:37,600 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_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836fc197f01e8142cd1fe75cc7c363600c112d62 [2021-10-15 20:27:37,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:27:37,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:27:37,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:27:37,903 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:27:37,904 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:27:37,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2021-10-15 20:27:37,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/data/9aa591375/a73ecf1ba4824766986dab937df30421/FLAG8e771ed25 [2021-10-15 20:27:38,550 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:27:38,550 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2021-10-15 20:27:38,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/data/9aa591375/a73ecf1ba4824766986dab937df30421/FLAG8e771ed25 [2021-10-15 20:27:38,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/data/9aa591375/a73ecf1ba4824766986dab937df30421 [2021-10-15 20:27:38,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:27:38,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:27:38,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:27:38,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:27:38,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:27:38,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:38,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e6f739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:38, skipping insertion in model container [2021-10-15 20:27:38,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:27:38" (1/1) ... [2021-10-15 20:27:38,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:27:38,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:27:39,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:27:39,266 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:27:39,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:27:39,367 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:27:39,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39 WrapperNode [2021-10-15 20:27:39,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:27:39,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:27:39,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:27:39,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:27:39,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:27:39,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:27:39,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:27:39,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:27:39,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:27:39,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:27:39,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:27:39,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:27:39,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (1/1) ... [2021-10-15 20:27:39,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:39,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:39,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:39,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 20:27:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:27:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:27:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:27:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:27:39,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:27:39,908 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-15 20:27:39,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:39 BoogieIcfgContainer [2021-10-15 20:27:39,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:27:39,912 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 20:27:39,912 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 20:27:39,916 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 20:27:39,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:27:39,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:27:38" (1/3) ... [2021-10-15 20:27:39,921 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f80566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:27:39, skipping insertion in model container [2021-10-15 20:27:39,922 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:27:39,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:27:39" (2/3) ... [2021-10-15 20:27:39,922 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f80566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:27:39, skipping insertion in model container [2021-10-15 20:27:39,923 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:27:39,923 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:39" (3/3) ... [2021-10-15 20:27:39,924 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrncpy-alloca-2.i [2021-10-15 20:27:39,971 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 20:27:39,971 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 20:27:39,971 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 20:27:39,971 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 20:27:39,972 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 20:27:39,972 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 20:27:39,972 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 20:27:39,972 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 20:27:39,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 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) [2021-10-15 20:27:40,007 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-15 20:27:40,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:27:40,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:27:40,013 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 20:27:40,013 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:27:40,013 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 20:27:40,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 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) [2021-10-15 20:27:40,015 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-15 20:27:40,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:27:40,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:27:40,016 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 20:27:40,016 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:27:40,022 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 7#L535true assume !(main_~length~0 < 1); 11#L535-2true assume !(main_~n~0 < 1); 16#L538-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 4#L544-3true [2021-10-15 20:27:40,022 INFO L793 eck$LassoCheckResult]: Loop: 4#L544-3true assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 6#L544-2true main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 4#L544-3true [2021-10-15 20:27:40,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:40,027 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-15 20:27:40,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:40,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700365064] [2021-10-15 20:27:40,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:40,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:40,149 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:40,185 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:40,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:40,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-15 20:27:40,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:40,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562314] [2021-10-15 20:27:40,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:40,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:40,210 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:40,220 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:40,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:40,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-15 20:27:40,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:40,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026241305] [2021-10-15 20:27:40,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:40,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:40,250 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:40,275 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:40,699 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:27:40,700 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:27:40,700 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:27:40,701 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:27:40,701 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:27:40,701 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:40,701 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:27:40,701 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:27:40,702 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration1_Lasso [2021-10-15 20:27:40,702 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:27:40,702 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:27:40,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:40,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:41,307 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:27:41,312 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:27:41,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:41,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:41,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:41,332 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 [2021-10-15 20:27:41,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:41,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:41,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:41,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:41,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:41,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:41,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:41,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 20:27:41,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:41,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-15 20:27:41,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:41,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:41,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:41,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 20:27:41,407 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 [2021-10-15 20:27:41,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:41,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:41,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:41,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:41,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:41,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:41,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:27:41,503 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-15 20:27:41,504 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-15 20:27:41,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:41,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:41,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:41,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 20:27:41,559 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:27:41,580 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-15 20:27:41,580 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:27:41,580 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1) = -1*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 Supporting invariants [1*ULTIMATE.start_main_~nondetString~0.offset >= 0] [2021-10-15 20:27:41,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:41,636 INFO L297 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2021-10-15 20:27:41,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:27:41,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 20:27:41,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:27:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:27:41,767 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-15 20:27:41,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:27:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:27:41,828 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 [2021-10-15 20:27:41,830 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 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) 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) [2021-10-15 20:27:41,935 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 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). 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 36 states and 55 transitions. Complement of second has 8 states. [2021-10-15 20:27:41,936 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 [2021-10-15 20:27:41,938 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) [2021-10-15 20:27:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2021-10-15 20:27:41,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-15 20:27:41,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:27:41,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-15 20:27:41,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:27:41,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-15 20:27:41,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:27:41,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 55 transitions. [2021-10-15 20:27:41,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-15 20:27:41,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 13 states and 18 transitions. [2021-10-15 20:27:41,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-15 20:27:41,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-15 20:27:41,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2021-10-15 20:27:41,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:27:41,963 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-15 20:27:41,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2021-10-15 20:27:41,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-15 20:27:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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) [2021-10-15 20:27:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-10-15 20:27:41,991 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-15 20:27:41,991 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-15 20:27:41,991 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 20:27:41,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2021-10-15 20:27:41,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-15 20:27:41,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:27:41,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:27:41,994 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:27:41,994 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:27:41,995 INFO L791 eck$LassoCheckResult]: Stem: 141#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 142#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 144#L535 assume !(main_~length~0 < 1); 145#L535-2 assume !(main_~n~0 < 1); 143#L538-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 135#L544-3 assume !(main_~i~0 < main_~length~0 - 1); 136#L544-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post2, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~post6, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 146#L520-2 [2021-10-15 20:27:41,996 INFO L793 eck$LassoCheckResult]: Loop: 146#L520-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post2 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post2 - 1;havoc cstrncpy_#t~post2;cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 147#L522 assume !(0 == cstrncpy_#t~mem5);havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset;havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~mem5; 146#L520-2 [2021-10-15 20:27:41,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:41,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-15 20:27:41,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:41,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340823883] [2021-10-15 20:27:41,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:41,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,041 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,093 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:42,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:42,097 INFO L82 PathProgramCache]: Analyzing trace with hash 2195, now seen corresponding path program 1 times [2021-10-15 20:27:42,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:42,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965564467] [2021-10-15 20:27:42,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:42,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,111 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,142 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:42,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:42,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384832, now seen corresponding path program 1 times [2021-10-15 20:27:42,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:42,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740652697] [2021-10-15 20:27:42,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:42,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:27:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:27:42,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:27:42,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740652697] [2021-10-15 20:27:42,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740652697] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:27:42,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:27:42,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-15 20:27:42,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705659655] [2021-10-15 20:27:42,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:27:42,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-15 20:27:42,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-15 20:27:42,501 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 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) [2021-10-15 20:27:42,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:27:42,581 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2021-10-15 20:27:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-15 20:27:42,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2021-10-15 20:27:42,586 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-15 20:27:42,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 24 transitions. [2021-10-15 20:27:42,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-15 20:27:42,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-15 20:27:42,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2021-10-15 20:27:42,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:27:42,588 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-10-15 20:27:42,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2021-10-15 20:27:42,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2021-10-15 20:27:42,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 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) [2021-10-15 20:27:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-10-15 20:27:42,621 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-15 20:27:42,621 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-15 20:27:42,621 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 20:27:42,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-10-15 20:27:42,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-15 20:27:42,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:27:42,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:27:42,622 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:27:42,623 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:27:42,623 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 191#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 193#L535 assume !(main_~length~0 < 1); 194#L535-2 assume !(main_~n~0 < 1); 192#L538-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 183#L544-3 assume !(main_~i~0 < main_~length~0 - 1); 184#L544-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post2, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~post6, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 198#L520-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post2 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post2 - 1;havoc cstrncpy_#t~post2;cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 197#L522 assume 0 == cstrncpy_#t~mem5;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset;havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~mem5;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~n2~0 := cstrncpy_~n; 189#L525-3 [2021-10-15 20:27:42,623 INFO L793 eck$LassoCheckResult]: Loop: 189#L525-3 cstrncpy_#t~post6 := cstrncpy_~n2~0;cstrncpy_~n2~0 := cstrncpy_#t~post6 - 1; 188#L525-1 assume !!(0 != cstrncpy_#t~post6);havoc cstrncpy_#t~post6;cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset := cstrncpy_~us~0.base, cstrncpy_~us~0.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_#t~post7.base, 1 + cstrncpy_#t~post7.offset;call write~int(0, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, 1);havoc cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset; 189#L525-3 [2021-10-15 20:27:42,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:42,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384817, now seen corresponding path program 1 times [2021-10-15 20:27:42,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:42,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508026251] [2021-10-15 20:27:42,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:42,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,666 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:42,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:42,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:42,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2021-10-15 20:27:42,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:42,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893715944] [2021-10-15 20:27:42,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:42,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,721 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:42,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:42,741 INFO L82 PathProgramCache]: Analyzing trace with hash -2087672522, now seen corresponding path program 1 times [2021-10-15 20:27:42,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:42,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758674447] [2021-10-15 20:27:42,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:42,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,781 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:42,826 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:43,945 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:27:43,945 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:27:43,945 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:27:43,945 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:27:43,946 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:27:43,946 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:43,946 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:27:43,946 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:27:43,946 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration3_Lasso [2021-10-15 20:27:43,946 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:27:43,946 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:27:43,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:43,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:44,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:45,238 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:27:45,239 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:27:45,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:45,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:45,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:45,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 20:27:45,257 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 [2021-10-15 20:27:45,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:45,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:45,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:45,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:45,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:45,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:45,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:45,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:45,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:45,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:45,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:45,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:45,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 20:27:45,295 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 [2021-10-15 20:27:45,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:45,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:45,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:45,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:45,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:45,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:45,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:45,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:45,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:45,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:45,368 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:45,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 20:27:45,374 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 [2021-10-15 20:27:45,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:45,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:45,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:45,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:45,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:45,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:45,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:45,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:45,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:45,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:45,448 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:45,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 20:27:45,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:27:45,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:45,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:45,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:45,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:45,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:45,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:45,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:45,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:45,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:45,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:45,519 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:45,525 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 [2021-10-15 20:27:45,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:45,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:45,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:45,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:45,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:45,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:45,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 20:27:45,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:45,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:45,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:45,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:45,601 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:45,607 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 [2021-10-15 20:27:45,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:45,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:45,617 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-15 20:27:45,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:45,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 20:27:45,666 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-15 20:27:45,666 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-15 20:27:45,766 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:27:46,057 INFO L443 ModelExtractionUtils]: Simplification made 41 calls to the SMT solver. [2021-10-15 20:27:46,057 INFO L444 ModelExtractionUtils]: 66 out of 111 variables were initially zero. Simplification set additionally 42 variables to zero. [2021-10-15 20:27:46,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:46,059 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:46,067 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:27:46,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 20:27:46,093 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-15 20:27:46,093 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:27:46,094 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrncpy_~dst~0.base)_1, ULTIMATE.start_cstrncpy_~us~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrncpy_~dst~0.base)_1 - 1*ULTIMATE.start_cstrncpy_~us~0.offset Supporting invariants [] [2021-10-15 20:27:46,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:46,193 INFO L297 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2021-10-15 20:27:46,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:27:46,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:27:46,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:27:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:27:46,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 20:27:46,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:27:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:27:46,328 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-15 20:27:46,328 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-15 20:27:46,355 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18 states and 24 transitions. Complement of second has 4 states. [2021-10-15 20:27:46,355 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 [2021-10-15 20:27:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-15 20:27:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2021-10-15 20:27:46,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-15 20:27:46,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:27:46,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 11 letters. Loop has 2 letters. [2021-10-15 20:27:46,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:27:46,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-15 20:27:46,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:27:46,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2021-10-15 20:27:46,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:27:46,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 11 states and 14 transitions. [2021-10-15 20:27:46,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-15 20:27:46,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-15 20:27:46,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-10-15 20:27:46,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:27:46,366 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-15 20:27:46,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-10-15 20:27:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-15 20:27:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:27:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-10-15 20:27:46,369 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-15 20:27:46,369 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-15 20:27:46,369 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-15 20:27:46,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-10-15 20:27:46,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 20:27:46,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:27:46,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:27:46,374 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:27:46,374 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:27:46,374 INFO L791 eck$LassoCheckResult]: Stem: 347#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 348#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 349#L535 assume !(main_~length~0 < 1); 350#L535-2 assume !(main_~n~0 < 1); 346#L538-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 342#L544-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 343#L544-2 main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 344#L544-3 assume !(main_~i~0 < main_~length~0 - 1); 345#L544-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post2, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~post6, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 351#L520-2 [2021-10-15 20:27:46,374 INFO L793 eck$LassoCheckResult]: Loop: 351#L520-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post2 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post2 - 1;havoc cstrncpy_#t~post2;cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 352#L522 assume !(0 == cstrncpy_#t~mem5);havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset;havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~mem5; 351#L520-2 [2021-10-15 20:27:46,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:46,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2021-10-15 20:27:46,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:46,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254519441] [2021-10-15 20:27:46,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:46,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:46,406 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:46,438 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:46,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:46,439 INFO L82 PathProgramCache]: Analyzing trace with hash 2195, now seen corresponding path program 2 times [2021-10-15 20:27:46,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:46,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108656546] [2021-10-15 20:27:46,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:46,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:46,451 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:46,469 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:46,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:46,470 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626526, now seen corresponding path program 1 times [2021-10-15 20:27:46,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:27:46,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109839080] [2021-10-15 20:27:46,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:27:46,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:27:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:46,505 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:27:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:27:46,536 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:27:47,451 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:27:47,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:27:47,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:27:47,452 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:27:47,452 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:27:47,452 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:47,452 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:27:47,452 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:27:47,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration4_Lasso [2021-10-15 20:27:47,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:27:47,452 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:27:47,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-10-15 20:27:47,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:47,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:48,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:48,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:27:48,532 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:27:48,533 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:27:48,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,537 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 20:27:48,539 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 [2021-10-15 20:27:48,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:48,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:48,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:48,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:48,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,576 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 20:27:48,579 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 [2021-10-15 20:27:48,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:48,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:48,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:48,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:48,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,616 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 20:27:48,626 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 [2021-10-15 20:27:48,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:48,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:48,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:48,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:48,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,663 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 20:27:48,668 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 [2021-10-15 20:27:48,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:48,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:48,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-15 20:27:48,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,710 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 20:27:48,712 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 [2021-10-15 20:27:48,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:48,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:48,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:48,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:48,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,753 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 20:27:48,759 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 [2021-10-15 20:27:48,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:48,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:48,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:48,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:48,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,800 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 20:27:48,811 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 [2021-10-15 20:27:48,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:48,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:48,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:48,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:48,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,848 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 20:27:48,857 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 [2021-10-15 20:27:48,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:48,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:48,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:48,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:48,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,897 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-15 20:27:48,900 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 [2021-10-15 20:27:48,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:48,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:48,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:48,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:48,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,939 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-15 20:27:48,943 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 [2021-10-15 20:27:48,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:27:48,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:27:48,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:27:48,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:48,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:48,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:48,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:48,980 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:48,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-15 20:27:48,984 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 [2021-10-15 20:27:48,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:48,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:48,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:48,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:48,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:48,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:49,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:49,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:49,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:49,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:49,055 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:49,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-15 20:27:49,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:27:49,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:49,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:49,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:49,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:49,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:49,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:49,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:49,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:49,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:49,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:49,131 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:49,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-15 20:27:49,132 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 [2021-10-15 20:27:49,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:49,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:49,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:49,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:49,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:49,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:49,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:27:49,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-15 20:27:49,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:49,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:49,207 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:49,216 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 [2021-10-15 20:27:49,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:27:49,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:27:49,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:27:49,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:27:49,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-15 20:27:49,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:27:49,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:27:49,291 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:27:49,312 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-15 20:27:49,312 INFO L444 ModelExtractionUtils]: 22 out of 31 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-15 20:27:49,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:27:49,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:27:49,315 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:27:49,317 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:27:49,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-15 20:27:49,351 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 20:27:49,351 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:27:49,351 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~src~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3) = -1*ULTIMATE.start_cstrncpy_~src~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3 Supporting invariants [] [2021-10-15 20:27:49,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-15 20:27:49,446 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-10-15 20:27:49,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:27:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:27:49,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-15 20:27:49,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:27:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:27:49,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-15 20:27:49,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:27:49,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:27:49,633 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 [2021-10-15 20:27:49,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-10-15 20:27:49,671 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 13 states and 16 transitions. Complement of second has 5 states. [2021-10-15 20:27:49,671 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 [2021-10-15 20:27:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-10-15 20:27:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-10-15 20:27:49,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-15 20:27:49,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:27:49,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2021-10-15 20:27:49,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:27:49,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-15 20:27:49,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:27:49,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-10-15 20:27:49,674 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:27:49,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-10-15 20:27:49,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 20:27:49,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 20:27:49,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 20:27:49,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:27:49,675 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:27:49,675 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:27:49,675 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:27:49,675 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-15 20:27:49,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 20:27:49,676 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:27:49,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 20:27:49,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 08:27:49 BoogieIcfgContainer [2021-10-15 20:27:49,681 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 20:27:49,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:27:49,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:27:49,682 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:27:49,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:27:39" (3/4) ... [2021-10-15 20:27:49,685 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:27:49,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:27:49,686 INFO L168 Benchmark]: Toolchain (without parser) took 10803.04 ms. Allocated memory was 94.4 MB in the beginning and 146.8 MB in the end (delta: 52.4 MB). Free memory was 58.2 MB in the beginning and 97.6 MB in the end (delta: -39.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:49,687 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 62.9 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:27:49,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.11 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 62.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:49,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.12 ms. Allocated memory is still 94.4 MB. Free memory was 62.0 MB in the beginning and 60.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:49,689 INFO L168 Benchmark]: Boogie Preprocessor took 29.12 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 58.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:27:49,689 INFO L168 Benchmark]: RCFGBuilder took 463.66 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 47.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:49,690 INFO L168 Benchmark]: BuchiAutomizer took 9769.08 ms. Allocated memory was 94.4 MB in the beginning and 146.8 MB in the end (delta: 52.4 MB). Free memory was 47.8 MB in the beginning and 98.6 MB in the end (delta: -50.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:27:49,690 INFO L168 Benchmark]: Witness Printer took 3.51 ms. Allocated memory is still 146.8 MB. Free memory was 98.6 MB in the beginning and 97.6 MB in the end (delta: 994.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:27:49,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 62.9 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.11 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 62.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.12 ms. Allocated memory is still 94.4 MB. Free memory was 62.0 MB in the beginning and 60.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.12 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 58.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 463.66 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 47.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9769.08 ms. Allocated memory was 94.4 MB in the beginning and 146.8 MB in the end (delta: 52.4 MB). Free memory was 47.8 MB in the beginning and 98.6 MB in the end (delta: -50.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.51 ms. Allocated memory is still 146.8 MB. Free memory was 98.6 MB in the beginning and 97.6 MB in the end (delta: 994.2 kB). 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * us + unknown-#length-unknown[dst] and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * src and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 8.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 47.7ms AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 47 SDtfs, 59 SDslu, 44 SDs, 0 SdLazy, 57 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 83.2ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital200 mio100 ax109 hnf99 lsp86 ukn83 mio100 lsp46 div100 bol100 ite100 ukn100 eq189 hnf89 smp99 dnf110 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 493ms VariablesStem: 21 VariablesLoop: 12 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! [2021-10-15 20:27:49,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-15 20:27:49,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e31b04-576b-4b16-940a-c4c2a7bb665c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...