./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:33:30,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:33:30,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:33:30,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:33:30,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:33:30,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:33:30,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:33:30,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:33:30,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:33:30,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:33:30,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:33:30,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:33:30,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:33:30,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:33:30,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:33:30,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:33:30,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:33:30,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:33:30,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:33:30,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:33:30,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:33:30,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:33:30,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:33:30,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:33:30,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:33:30,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:33:30,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:33:30,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:33:30,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:33:30,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:33:30,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:33:30,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:33:30,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:33:30,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:33:30,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:33:30,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:33:30,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:33:30,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:33:30,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:33:30,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:33:30,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:33:30,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 15:33:30,512 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:33:30,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:33:30,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:33:30,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:33:30,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:33:30,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:33:30,514 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:33:30,514 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 15:33:30,514 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 15:33:30,514 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 15:33:30,514 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 15:33:30,515 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 15:33:30,515 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 15:33:30,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:33:30,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:33:30,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:33:30,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:33:30,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 15:33:30,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 15:33:30,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 15:33:30,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:33:30,516 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 15:33:30,516 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:33:30,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 15:33:30,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:33:30,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:33:30,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:33:30,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:33:30,518 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 15:33:30,518 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_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e [2022-12-13 15:33:30,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:33:30,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:33:30,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:33:30,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:33:30,717 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:33:30,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2022-12-13 15:33:33,283 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:33:33,463 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:33:33,464 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2022-12-13 15:33:33,471 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/data/c99cb2cde/ade15c619e8d4159a87f680440872820/FLAG3c8ca3aa3 [2022-12-13 15:33:33,483 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/data/c99cb2cde/ade15c619e8d4159a87f680440872820 [2022-12-13 15:33:33,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:33:33,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:33:33,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:33:33,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:33:33,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:33:33,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fc07af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33, skipping insertion in model container [2022-12-13 15:33:33,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:33:33,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:33:33,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:33:33,733 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:33:33,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:33:33,773 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:33:33,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33 WrapperNode [2022-12-13 15:33:33,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:33:33,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:33:33,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:33:33,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:33:33,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,801 INFO L138 Inliner]: procedures = 152, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-12-13 15:33:33,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:33:33,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:33:33,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:33:33,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:33:33,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,815 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:33:33,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:33:33,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:33:33,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:33:33,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (1/1) ... [2022-12-13 15:33:33,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:33,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:33,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:33,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 15:33:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:33:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:33:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:33:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:33:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:33:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:33:33,935 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:33:33,937 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:33:34,057 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:33:34,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:33:34,061 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:33:34,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:33:34 BoogieIcfgContainer [2022-12-13 15:33:34,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:33:34,063 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 15:33:34,063 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 15:33:34,065 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 15:33:34,066 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:33:34,066 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 03:33:33" (1/3) ... [2022-12-13 15:33:34,067 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39aa70b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:33:34, skipping insertion in model container [2022-12-13 15:33:34,067 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:33:34,067 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:33:33" (2/3) ... [2022-12-13 15:33:34,067 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39aa70b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:33:34, skipping insertion in model container [2022-12-13 15:33:34,067 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:33:34,067 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:33:34" (3/3) ... [2022-12-13 15:33:34,068 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrncpy_reverse_alloca.i [2022-12-13 15:33:34,108 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 15:33:34,108 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 15:33:34,108 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 15:33:34,108 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 15:33:34,109 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 15:33:34,109 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 15:33:34,109 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 15:33:34,109 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 15:33:34,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 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) [2022-12-13 15:33:34,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-12-13 15:33:34,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:33:34,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:33:34,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 15:33:34,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 15:33:34,129 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 15:33:34,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 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) [2022-12-13 15:33:34,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-12-13 15:33:34,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:33:34,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:33:34,131 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 15:33:34,131 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 15:33:34,136 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet211#1, main_#t~nondet212#1, main_#t~malloc213#1.base, main_#t~malloc213#1.offset, main_#t~malloc214#1.base, main_#t~malloc214#1.offset, main_#t~ret215#1.base, main_#t~ret215#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1;main_~n~0#1 := main_#t~nondet212#1;havoc main_#t~nondet212#1; 11#L385true assume !(main_~length~0#1 < 1); 6#L385-2true assume !(main_~n~0#1 < 1); 5#L388-1true call main_#t~malloc213#1.base, main_#t~malloc213#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc213#1.base, main_#t~malloc213#1.offset;call main_#t~malloc214#1.base, main_#t~malloc214#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc214#1.base, main_#t~malloc214#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, 1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + (main_~n~0#1 - 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post205#1, cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset, cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset, cstrncpy_#t~mem208#1, cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset, cstrncpy_#t~post209#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 14#L370-2true [2022-12-13 15:33:34,136 INFO L750 eck$LassoCheckResult]: Loop: 14#L370-2true assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post205#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post205#1 - 1;havoc cstrncpy_#t~post205#1;cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset - 1;cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset - 1;call cstrncpy_#t~mem208#1 := read~int(cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset, 1);call write~int(cstrncpy_#t~mem208#1, cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset, 1); 13#L372true assume !(0 == cstrncpy_#t~mem208#1);havoc cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset;havoc cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset;havoc cstrncpy_#t~mem208#1; 14#L370-2true [2022-12-13 15:33:34,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:34,140 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-12-13 15:33:34,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:34,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653166095] [2022-12-13 15:33:34,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:34,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:33:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:34,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:33:34,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:34,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2022-12-13 15:33:34,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:34,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892439223] [2022-12-13 15:33:34,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:34,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:34,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:33:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:34,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:33:34,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:34,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935768, now seen corresponding path program 1 times [2022-12-13 15:33:34,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:34,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937013556] [2022-12-13 15:33:34,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:34,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:34,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:33:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:34,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:33:35,140 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 15:33:35,140 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 15:33:35,140 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 15:33:35,140 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 15:33:35,141 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 15:33:35,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:35,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 15:33:35,141 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 15:33:35,141 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_reverse_alloca.i_Iteration1_Lasso [2022-12-13 15:33:35,141 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 15:33:35,141 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 15:33:35,156 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,177 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,182 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:35,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:36,297 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 15:33:36,301 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 15:33:36,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 15:33:36,305 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 [2022-12-13 15:33:36,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:33:36,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 15:33:36,326 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 [2022-12-13 15:33:36,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-12-13 15:33:36,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,342 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 15:33:36,345 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 [2022-12-13 15:33:36,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 15:33:36,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 15:33:36,363 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 [2022-12-13 15:33:36,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-12-13 15:33:36,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,379 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 15:33:36,381 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 [2022-12-13 15:33:36,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-12-13 15:33:36,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,397 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 15:33:36,399 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 [2022-12-13 15:33:36,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:33:36,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:33:36,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-12-13 15:33:36,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,418 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 15:33:36,420 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 [2022-12-13 15:33:36,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 15:33:36,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,436 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 15:33:36,438 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 [2022-12-13 15:33:36,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 15:33:36,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,455 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 15:33:36,457 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 [2022-12-13 15:33:36,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 15:33:36,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,472 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 15:33:36,475 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 [2022-12-13 15:33:36,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 15:33:36,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,491 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 15:33:36,493 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 [2022-12-13 15:33:36,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:36,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:36,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:36,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-12-13 15:33:36,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,509 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 15:33:36,511 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 [2022-12-13 15:33:36,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:33:36,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:33:36,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:36,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 15:33:36,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,530 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 15:33:36,532 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 [2022-12-13 15:33:36,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:36,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:36,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:36,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:36,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:33:36,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:33:36,563 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 15:33:36,596 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-12-13 15:33:36,596 INFO L444 ModelExtractionUtils]: 7 out of 31 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-12-13 15:33:36,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:36,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,647 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 15:33:36,649 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 15:33:36,660 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 15:33:36,660 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 15:33:36,661 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~src~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_1) = 2*ULTIMATE.start_cstrncpy_~src~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_1 Supporting invariants [] [2022-12-13 15:33:36,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 15:33:36,719 INFO L156 tatePredicateManager]: 12 out of 14 supporting invariants were superfluous and have been removed [2022-12-13 15:33:36,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 15:33:36,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:33:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 15:33:36,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:33:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:33:36,861 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 15:33:36,863 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 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) [2022-12-13 15:33:36,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 37 transitions. Complement of second has 6 states. [2022-12-13 15:33:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 15:33:36,913 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) [2022-12-13 15:33:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-12-13 15:33:36,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 15:33:36,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:33:36,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 15:33:36,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:33:36,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2022-12-13 15:33:36,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:33:36,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 37 transitions. [2022-12-13 15:33:36,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 15:33:36,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 11 states and 14 transitions. [2022-12-13 15:33:36,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 15:33:36,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 15:33:36,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2022-12-13 15:33:36,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:33:36,922 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-12-13 15:33:36,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2022-12-13 15:33:36,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-12-13 15:33:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:33:36,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-12-13 15:33:36,939 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-12-13 15:33:36,939 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-12-13 15:33:36,939 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 15:33:36,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-12-13 15:33:36,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 15:33:36,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:33:36,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:33:36,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:33:36,940 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 15:33:36,940 INFO L748 eck$LassoCheckResult]: Stem: 152#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 153#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet211#1, main_#t~nondet212#1, main_#t~malloc213#1.base, main_#t~malloc213#1.offset, main_#t~malloc214#1.base, main_#t~malloc214#1.offset, main_#t~ret215#1.base, main_#t~ret215#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1;main_~n~0#1 := main_#t~nondet212#1;havoc main_#t~nondet212#1; 154#L385 assume !(main_~length~0#1 < 1); 151#L385-2 assume !(main_~n~0#1 < 1); 149#L388-1 call main_#t~malloc213#1.base, main_#t~malloc213#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc213#1.base, main_#t~malloc213#1.offset;call main_#t~malloc214#1.base, main_#t~malloc214#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc214#1.base, main_#t~malloc214#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, 1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + (main_~n~0#1 - 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post205#1, cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset, cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset, cstrncpy_#t~mem208#1, cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset, cstrncpy_#t~post209#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 150#L370-2 assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post205#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post205#1 - 1;havoc cstrncpy_#t~post205#1;cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset - 1;cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset - 1;call cstrncpy_#t~mem208#1 := read~int(cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset, 1);call write~int(cstrncpy_#t~mem208#1, cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset, 1); 155#L372 assume 0 == cstrncpy_#t~mem208#1;havoc cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset;havoc cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset;havoc cstrncpy_#t~mem208#1;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~n2~0#1 := cstrncpy_~n#1; 147#L375-3 [2022-12-13 15:33:36,940 INFO L750 eck$LassoCheckResult]: Loop: 147#L375-3 cstrncpy_#t~post209#1 := cstrncpy_~n2~0#1;cstrncpy_~n2~0#1 := cstrncpy_#t~post209#1 - 1; 148#L375-1 assume !!(0 != cstrncpy_#t~post209#1);havoc cstrncpy_#t~post209#1;cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset := cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset - 1;call write~int(0, cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset, 1);havoc cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset; 147#L375-3 [2022-12-13 15:33:36,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:36,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935753, now seen corresponding path program 1 times [2022-12-13 15:33:36,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:36,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034152387] [2022-12-13 15:33:36,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:36,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:33:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:36,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:33:36,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:36,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2022-12-13 15:33:36,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:36,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098835553] [2022-12-13 15:33:36,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:36,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:36,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:33:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:36,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:33:36,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:36,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1298472078, now seen corresponding path program 1 times [2022-12-13 15:33:36,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:36,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488385231] [2022-12-13 15:33:36,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:36,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:37,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:33:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:33:37,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:33:37,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 15:33:38,116 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 15:33:38,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 15:33:38,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 15:33:38,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 15:33:38,116 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 15:33:38,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:38,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 15:33:38,116 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 15:33:38,116 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_reverse_alloca.i_Iteration2_Lasso [2022-12-13 15:33:38,116 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 15:33:38,116 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 15:33:38,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,126 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,695 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,699 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:38,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 15:33:39,210 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 15:33:39,210 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 15:33:39,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,211 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 15:33:39,213 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 [2022-12-13 15:33:39,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:39,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:39,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:39,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 15:33:39,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,229 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 15:33:39,231 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 [2022-12-13 15:33:39,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:39,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:39,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:39,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 15:33:39,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,246 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 15:33:39,248 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 [2022-12-13 15:33:39,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:39,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:39,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:39,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 15:33:39,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,264 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 15:33:39,266 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 [2022-12-13 15:33:39,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:39,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:39,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:39,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 15:33:39,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,282 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 15:33:39,284 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 [2022-12-13 15:33:39,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:39,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:39,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:39,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 15:33:39,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,300 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 15:33:39,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 15:33:39,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:39,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:39,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:39,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 15:33:39,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,317 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 15:33:39,319 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 [2022-12-13 15:33:39,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:39,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:39,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:39,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 15:33:39,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,335 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 15:33:39,337 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 [2022-12-13 15:33:39,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:33:39,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:33:39,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 15:33:39,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,355 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 15:33:39,357 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 [2022-12-13 15:33:39,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:33:39,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:33:39,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 15:33:39,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,387 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 15:33:39,389 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 [2022-12-13 15:33:39,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:33:39,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:33:39,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 15:33:39,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,409 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 15:33:39,412 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 [2022-12-13 15:33:39,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 15:33:39,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 15:33:39,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 15:33:39,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 15:33:39,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,427 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 15:33:39,429 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 [2022-12-13 15:33:39,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:33:39,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:33:39,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 15:33:39,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,450 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 15:33:39,452 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 [2022-12-13 15:33:39,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:33:39,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:33:39,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 15:33:39,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,483 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 15:33:39,485 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 [2022-12-13 15:33:39,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 15:33:39,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 15:33:39,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 15:33:39,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 15:33:39,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 15:33:39,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,503 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 15:33:39,505 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 [2022-12-13 15:33:39,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 15:33:39,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 15:33:39,515 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 15:33:39,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 15:33:39,531 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 15:33:39,531 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 15:33:39,589 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 15:33:39,852 INFO L443 ModelExtractionUtils]: Simplification made 48 calls to the SMT solver. [2022-12-13 15:33:39,852 INFO L444 ModelExtractionUtils]: 19 out of 71 variables were initially zero. Simplification set additionally 49 variables to zero. [2022-12-13 15:33:39,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:33:39,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:39,853 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:33:39,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 15:33:39,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 15:33:39,869 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-12-13 15:33:39,869 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 15:33:39,869 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~us~0#1.offset) = 2*ULTIMATE.start_cstrncpy_~us~0#1.offset + 1 Supporting invariants [] [2022-12-13 15:33:39,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 15:33:39,923 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2022-12-13 15:33:39,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:39,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:33:39,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:33:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:39,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:33:39,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:33:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:33:39,970 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-12-13 15:33:39,970 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-12-13 15:33:39,975 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) Result 12 states and 16 transitions. Complement of second has 4 states. [2022-12-13 15:33:39,976 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 [2022-12-13 15:33:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-12-13 15:33:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2022-12-13 15:33:39,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 15:33:39,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:33:39,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2022-12-13 15:33:39,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:33:39,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2022-12-13 15:33:39,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 15:33:39,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2022-12-13 15:33:39,978 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 15:33:39,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-12-13 15:33:39,979 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 15:33:39,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 15:33:39,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 15:33:39,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:33:39,979 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:33:39,979 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:33:39,979 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:33:39,979 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 15:33:39,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:33:39,979 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 15:33:39,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 15:33:39,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 03:33:39 BoogieIcfgContainer [2022-12-13 15:33:39,985 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 15:33:39,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:33:39,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:33:39,986 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:33:39,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:33:34" (3/4) ... [2022-12-13 15:33:39,988 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 15:33:39,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:33:39,989 INFO L158 Benchmark]: Toolchain (without parser) took 6503.05ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.4MB in the beginning and 81.2MB in the end (delta: 19.2MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-12-13 15:33:39,989 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory was 108.5MB in the beginning and 108.4MB in the end (delta: 104.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:33:39,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.47ms. Allocated memory is still 138.4MB. Free memory was 99.9MB in the beginning and 97.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:33:39,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.60ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 95.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:33:39,990 INFO L158 Benchmark]: Boogie Preprocessor took 15.57ms. Allocated memory is still 138.4MB. Free memory was 95.7MB in the beginning and 94.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:33:39,990 INFO L158 Benchmark]: RCFGBuilder took 244.54ms. Allocated memory is still 138.4MB. Free memory was 94.2MB in the beginning and 81.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:33:39,991 INFO L158 Benchmark]: BuchiAutomizer took 5922.63ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 81.6MB in the beginning and 81.2MB in the end (delta: 457.7kB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-12-13 15:33:39,991 INFO L158 Benchmark]: Witness Printer took 2.46ms. Allocated memory is still 167.8MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:33:39,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory was 108.5MB in the beginning and 108.4MB in the end (delta: 104.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.47ms. Allocated memory is still 138.4MB. Free memory was 99.9MB in the beginning and 97.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.60ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 95.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.57ms. Allocated memory is still 138.4MB. Free memory was 95.7MB in the beginning and 94.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 244.54ms. Allocated memory is still 138.4MB. Free memory was 94.2MB in the beginning and 81.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5922.63ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 81.6MB in the beginning and 81.2MB in the end (delta: 457.7kB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 2.46ms. Allocated memory is still 167.8MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * src + unknown-#length-unknown[nondetString] and consists of 4 locations. One deterministic module has affine ranking function 2 * us + 1 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 24 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital252 mio100 ax100 hnf100 lsp97 ukn91 mio100 lsp36 div144 bol100 ite100 ukn100 eq175 hnf91 smp75 dnf116 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 367ms VariablesStem: 15 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 15:33:40,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-12-13 15:33:40,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d6b8d-ae61-43df-b066-cdca4c0b6060/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE