./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:36:29,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:36:29,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:36:29,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:36:29,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:36:29,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:36:29,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:36:29,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:36:29,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:36:29,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:36:29,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:36:29,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:36:29,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:36:29,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:36:29,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:36:29,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:36:29,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:36:29,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:36:29,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:36:29,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:36:29,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:36:29,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:36:29,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:36:29,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:36:29,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:36:29,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:36:29,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:36:29,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:36:29,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:36:29,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:36:29,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:36:29,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:36:29,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:36:29,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:36:29,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:36:29,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:36:29,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:36:29,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:36:29,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:36:29,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:36:29,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:36:29,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:36:29,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:36:29,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:36:29,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:36:29,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:36:29,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:36:29,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:36:29,691 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:36:29,691 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:36:29,692 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:36:29,692 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:36:29,692 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:36:29,693 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:36:29,693 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:36:29,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:36:29,694 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:36:29,694 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:36:29,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:36:29,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:36:29,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:36:29,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:36:29,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:36:29,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:36:29,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:36:29,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:36:29,697 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:36:29,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:36:29,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:36:29,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:36:29,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:36:29,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:36:29,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:36:29,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:36:29,700 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:36:29,701 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_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 [2021-11-02 22:36:29,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:36:29,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:36:29,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:36:29,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:36:29,977 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:36:29,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2021-11-02 22:36:30,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/data/c91b09a08/5389b749cfe9455fbb10840ff7973a81/FLAG22f118c62 [2021-11-02 22:36:30,610 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:36:30,610 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2021-11-02 22:36:30,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/data/c91b09a08/5389b749cfe9455fbb10840ff7973a81/FLAG22f118c62 [2021-11-02 22:36:30,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/data/c91b09a08/5389b749cfe9455fbb10840ff7973a81 [2021-11-02 22:36:30,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:36:30,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:36:30,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:36:30,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:36:30,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:36:30,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:36:30" (1/1) ... [2021-11-02 22:36:30,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5561351f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:30, skipping insertion in model container [2021-11-02 22:36:30,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:36:30" (1/1) ... [2021-11-02 22:36:30,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:36:31,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:36:31,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:36:31,363 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:36:31,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:36:31,459 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:36:31,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31 WrapperNode [2021-11-02 22:36:31,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:36:31,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:36:31,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:36:31,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:36:31,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:36:31,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:36:31,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:36:31,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:36:31,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:36:31,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:36:31,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:36:31,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:36:31,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (1/1) ... [2021-11-02 22:36:31,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:31,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:31,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:31,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:36:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:36:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:36:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:36:31,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:36:31,985 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-02 22:36:31,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:36:31 BoogieIcfgContainer [2021-11-02 22:36:31,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:36:31,992 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:36:31,992 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:36:31,995 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:36:31,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:36:31,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:36:30" (1/3) ... [2021-11-02 22:36:31,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@528d61cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:36:31, skipping insertion in model container [2021-11-02 22:36:31,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:36:31,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:36:31" (2/3) ... [2021-11-02 22:36:31,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@528d61cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:36:31, skipping insertion in model container [2021-11-02 22:36:31,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:36:31,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:36:31" (3/3) ... [2021-11-02 22:36:32,000 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpncpy-alloca-1.i [2021-11-02 22:36:32,066 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:36:32,066 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:36:32,067 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:36:32,067 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:36:32,067 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:36:32,067 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:36:32,067 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:36:32,067 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:36:32,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:32,100 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-11-02 22:36:32,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:36:32,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:36:32,106 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-02 22:36:32,106 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:36:32,106 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:36:32,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:32,108 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-11-02 22:36:32,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:36:32,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:36:32,109 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-02 22:36:32,109 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:36:32,116 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~ret17.base, main_#t~ret17.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 5#L534true assume !(main_~length~0 < 1); 15#L534-2true assume !(main_~n~0 < 1); 6#L537-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 20#L543-3true [2021-11-02 22:36:32,117 INFO L793 eck$LassoCheckResult]: Loop: 20#L543-3true assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet16, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 16#L543-2true main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 20#L543-3true [2021-11-02 22:36:32,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:32,130 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-11-02 22:36:32,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:32,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884600604] [2021-11-02 22:36:32,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:32,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:32,282 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:32,345 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:32,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:32,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-11-02 22:36:32,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:32,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803918592] [2021-11-02 22:36:32,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:32,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:32,379 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:32,400 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:32,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:32,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-11-02 22:36:32,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:32,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371903513] [2021-11-02 22:36:32,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:32,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:32,456 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:32,510 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:33,032 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:36:33,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:36:33,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:36:33,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:36:33,034 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:36:33,034 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:33,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:36:33,035 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:36:33,035 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration1_Lasso [2021-11-02 22:36:33,035 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:36:33,036 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:36:33,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:33,511 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:36:33,516 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:36:33,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:33,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:33,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:33,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:36:33,532 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 [2021-11-02 22:36:33,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:33,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:33,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:33,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:33,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:33,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:33,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:33,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:33,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:33,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:33,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:33,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:33,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:36:33,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:33,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:33,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:33,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:33,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:33,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:33,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:33,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:33,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:33,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:33,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:33,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:33,634 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:33,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:36:33,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:33,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:33,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:33,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:33,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:33,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:33,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:33,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:33,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:33,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:33,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:33,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:33,685 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:33,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:36:33,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:33,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:33,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:33,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:33,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:33,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:33,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:33,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:33,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:33,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:33,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:33,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:33,779 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:33,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:33,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:33,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:33,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:33,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:33,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:33,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:33,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:36:33,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:33,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:33,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:33,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:33,854 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:33,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:36:33,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:33,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:33,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:33,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:33,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:33,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:33,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:33,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:33,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:33,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:33,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:33,923 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:33,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:36:33,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:33,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:33,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:33,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:33,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:33,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:33,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:33,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:33,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:33,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:33,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:33,989 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:33,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:34,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:34,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:34,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:34,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:34,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:34,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:34,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:36:34,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:34,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:34,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:34,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:34,071 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:34,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 22:36:34,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:34,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:34,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:34,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:34,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:34,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:34,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:34,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:34,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:34,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:34,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:34,131 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:34,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 22:36:34,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:34,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:34,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:34,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:34,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:34,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:34,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:34,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:34,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:34,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:34,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:34,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:34,217 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:34,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:34,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:34,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:34,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:34,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:34,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:34,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:34,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 22:36:34,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:36:34,285 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-02 22:36:34,285 INFO L444 ModelExtractionUtils]: 15 out of 22 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-02 22:36:34,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:34,296 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:34,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 22:36:34,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:36:34,352 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:36:34,353 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:36:34,353 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2021-11-02 22:36:34,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:34,417 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-11-02 22:36:34,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:36:34,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:36:34,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:36:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:36:34,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:36:34,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:36:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:36:34,576 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-02 22:36:34,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:34,636 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 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 48 states and 70 transitions. Complement of second has 7 states. [2021-11-02 22:36:34,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-02 22:36:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2021-11-02 22:36:34,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-02 22:36:34,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:36:34,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-02 22:36:34,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:36:34,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-02 22:36:34,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:36:34,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 70 transitions. [2021-11-02 22:36:34,647 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-02 22:36:34,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 16 states and 21 transitions. [2021-11-02 22:36:34,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-02 22:36:34,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-02 22:36:34,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-11-02 22:36:34,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:36:34,654 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-02 22:36:34,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-11-02 22:36:34,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-02 22:36:34,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:34,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-11-02 22:36:34,680 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-02 22:36:34,680 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-02 22:36:34,680 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:36:34,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-11-02 22:36:34,681 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-02 22:36:34,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:36:34,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:36:34,682 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:36:34,682 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:36:34,682 INFO L791 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 141#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~ret17.base, main_#t~ret17.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 142#L534 assume !(main_~length~0 < 1); 143#L534-2 assume !(main_~n~0 < 1); 144#L537-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 145#L543-3 assume !(main_~i~0 < main_~length~0 - 1); 148#L543-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 149#L516 assume 0 != cstpncpy_~n;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + cstpncpy_~n, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 146#L520-4 [2021-11-02 22:36:34,683 INFO L793 eck$LassoCheckResult]: Loop: 146#L520-4 cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 147#L521 assume !(0 == cstpncpy_#t~mem7);havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~mem7; 151#L520-1 cstpncpy_#t~pre4 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 150#L520-2 assume !!(0 != cstpncpy_#t~pre4);havoc cstpncpy_#t~pre4; 146#L520-4 [2021-11-02 22:36:34,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:34,683 INFO L85 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2021-11-02 22:36:34,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:34,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248874201] [2021-11-02 22:36:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:34,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:34,716 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:34,774 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:34,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 1 times [2021-11-02 22:36:34,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:34,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5047013] [2021-11-02 22:36:34,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:34,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:34,794 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:34,807 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:34,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:34,808 INFO L85 PathProgramCache]: Analyzing trace with hash -299020919, now seen corresponding path program 1 times [2021-11-02 22:36:34,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:34,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256080299] [2021-11-02 22:36:34,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:34,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:36:35,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:36:35,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:36:35,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256080299] [2021-11-02 22:36:35,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256080299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:36:35,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:36:35,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-02 22:36:35,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227814098] [2021-11-02 22:36:35,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:36:35,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:36:35,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:36:35,292 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:35,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:36:35,428 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-11-02 22:36:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:36:35,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-11-02 22:36:35,430 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-11-02 22:36:35,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 28 transitions. [2021-11-02 22:36:35,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-02 22:36:35,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-02 22:36:35,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-11-02 22:36:35,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:36:35,432 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-11-02 22:36:35,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-11-02 22:36:35,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2021-11-02 22:36:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:35,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-11-02 22:36:35,434 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-02 22:36:35,434 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-02 22:36:35,434 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:36:35,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-11-02 22:36:35,435 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-02 22:36:35,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:36:35,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:36:35,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:36:35,436 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:36:35,436 INFO L791 eck$LassoCheckResult]: Stem: 198#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 199#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~ret17.base, main_#t~ret17.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 200#L534 assume !(main_~length~0 < 1); 201#L534-2 assume !(main_~n~0 < 1); 202#L537-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 203#L543-3 assume !(main_~i~0 < main_~length~0 - 1); 215#L543-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 217#L516 assume 0 != cstpncpy_~n;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + cstpncpy_~n, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 204#L520-4 cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 205#L521 assume 0 == cstpncpy_#t~mem7;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~mem7;call write~$Pointer$(cstpncpy_~d~0.base, cstpncpy_~d~0.offset - 1, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4); 210#L523-3 [2021-11-02 22:36:35,437 INFO L793 eck$LassoCheckResult]: Loop: 210#L523-3 cstpncpy_#t~pre8 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 211#L523-1 assume !!(0 != cstpncpy_#t~pre8);havoc cstpncpy_#t~pre8;cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post9.base, 1 + cstpncpy_#t~post9.offset;call write~int(0, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, 1);havoc cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset; 210#L523-3 [2021-11-02 22:36:35,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:35,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1595217781, now seen corresponding path program 1 times [2021-11-02 22:36:35,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:35,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941420300] [2021-11-02 22:36:35,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:35,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:35,510 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:35,566 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:35,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:35,570 INFO L85 PathProgramCache]: Analyzing trace with hash 2374, now seen corresponding path program 1 times [2021-11-02 22:36:35,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:35,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312317057] [2021-11-02 22:36:35,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:35,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:35,587 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:35,598 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:35,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:35,598 INFO L85 PathProgramCache]: Analyzing trace with hash -299035718, now seen corresponding path program 1 times [2021-11-02 22:36:35,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:35,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501582629] [2021-11-02 22:36:35,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:35,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:35,628 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:35,658 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:40,839 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:36:40,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:36:40,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:36:40,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:36:40,840 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:36:40,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:40,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:36:40,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:36:40,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration3_Lasso [2021-11-02 22:36:40,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:36:40,840 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:36:40,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:40,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:40,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:40,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:41,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:42,391 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:36:42,391 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:36:42,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,415 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:42,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:42,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:42,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 22:36:42,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:42,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,466 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 22:36:42,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:42,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:42,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:42,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:42,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,497 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 22:36:42,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:42,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:42,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:42,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:42,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,531 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 22:36:42,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:42,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:42,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:42,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,601 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 22:36:42,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:42,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:42,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-02 22:36:42,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,649 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-02 22:36:42,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:42,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:42,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:42,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,683 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-02 22:36:42,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:42,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:42,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:42,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,772 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-02 22:36:42,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:42,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:42,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:42,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,854 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:42,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:42,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-02 22:36:42,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:42,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,917 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-02 22:36:42,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:42,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:42,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:42,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:42,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:42,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:42,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:42,947 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:42,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-02 22:36:42,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:42,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:42,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:42,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:42,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:42,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:42,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:42,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:43,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-02 22:36:43,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:43,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:43,029 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:43,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:43,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:43,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:43,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:43,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:43,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:43,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:43,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-02 22:36:43,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:43,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:43,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:43,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:43,092 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:43,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:43,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:43,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:43,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:43,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:43,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:43,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:43,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-02 22:36:43,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:43,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:43,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:43,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:43,181 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:43,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:43,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:43,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:43,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:43,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:43,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:43,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:43,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-02 22:36:43,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:43,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:43,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:43,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:43,245 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:43,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:43,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:43,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:43,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:43,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:43,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:43,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:43,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-02 22:36:43,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:43,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:43,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:43,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:43,310 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:43,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:43,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:43,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:43,323 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:36:43,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:43,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-02 22:36:43,363 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-02 22:36:43,363 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 22:36:43,451 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:36:43,540 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-02 22:36:43,540 INFO L444 ModelExtractionUtils]: 77 out of 106 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-11-02 22:36:43,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:43,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:43,541 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:43,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-02 22:36:43,542 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:36:43,553 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-11-02 22:36:43,553 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:36:43,553 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstpncpy_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2) = -1*ULTIMATE.start_cstpncpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 Supporting invariants [] [2021-11-02 22:36:43,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:43,653 INFO L297 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2021-11-02 22:36:43,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:36:43,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-02 22:36:43,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:36:43,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-02 22:36:43,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-02 22:36:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:36:43,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:36:43,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:36:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:36:43,829 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2021-11-02 22:36:43,829 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:43,916 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 23 states and 29 transitions. Complement of second has 8 states. [2021-11-02 22:36:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 5 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-02 22:36:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2021-11-02 22:36:43,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-02 22:36:43,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:36:43,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 12 letters. Loop has 2 letters. [2021-11-02 22:36:43,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:36:43,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-02 22:36:43,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:36:43,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2021-11-02 22:36:43,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-02 22:36:43,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 15 states and 18 transitions. [2021-11-02 22:36:43,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-02 22:36:43,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-02 22:36:43,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2021-11-02 22:36:43,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:36:43,920 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-02 22:36:43,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2021-11-02 22:36:43,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-11-02 22:36:43,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-11-02 22:36:43,922 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-02 22:36:43,922 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-02 22:36:43,922 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-02 22:36:43,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-11-02 22:36:43,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-02 22:36:43,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:36:43,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:36:43,923 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:36:43,923 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:36:43,923 INFO L791 eck$LassoCheckResult]: Stem: 394#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 395#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~ret17.base, main_#t~ret17.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 396#L534 assume !(main_~length~0 < 1); 397#L534-2 assume !(main_~n~0 < 1); 398#L537-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 399#L543-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet16, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 406#L543-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 407#L543-3 assume !(main_~i~0 < main_~length~0 - 1); 402#L543-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 403#L516 assume 0 != cstpncpy_~n;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + cstpncpy_~n, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 400#L520-4 [2021-11-02 22:36:43,924 INFO L793 eck$LassoCheckResult]: Loop: 400#L520-4 cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 401#L521 assume !(0 == cstpncpy_#t~mem7);havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~mem7; 405#L520-1 cstpncpy_#t~pre4 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 404#L520-2 assume !!(0 != cstpncpy_#t~pre4);havoc cstpncpy_#t~pre4; 400#L520-4 [2021-11-02 22:36:43,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:43,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1596934864, now seen corresponding path program 1 times [2021-11-02 22:36:43,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:43,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229606545] [2021-11-02 22:36:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:43,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:43,936 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:43,953 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:43,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:43,954 INFO L85 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 2 times [2021-11-02 22:36:43,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:43,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53622939] [2021-11-02 22:36:43,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:43,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:43,960 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:43,966 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:43,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:43,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1308529127, now seen corresponding path program 1 times [2021-11-02 22:36:43,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:36:43,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460225179] [2021-11-02 22:36:43,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:36:43,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:36:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:44,009 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:36:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:36:44,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:44,057 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:36:46,126 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:36:46,126 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:36:46,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:36:46,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:36:46,126 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:36:46,127 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:46,127 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:36:46,127 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:36:46,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration4_Lasso [2021-11-02 22:36:46,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:36:46,127 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:36:46,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:46,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:36:47,344 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:36:47,344 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:36:47,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:47,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:47,365 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:47,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:47,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:47,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:47,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:47,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:47,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:47,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:36:47,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:47,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:47,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-02 22:36:47,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:47,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:47,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:47,409 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:47,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-02 22:36:47,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:47,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:47,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:47,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:36:47,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:47,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:36:47,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:36:47,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:47,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-02 22:36:47,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:47,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:47,446 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:47,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-02 22:36:47,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:36:47,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:47,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:36:47,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:47,458 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:36:47,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:47,459 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:36:47,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:36:47,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:36:47,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:47,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:47,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:47,484 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:47,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-02 22:36:47,485 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 [2021-11-02 22:36:47,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:36:47,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:36:47,493 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:36:47,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:36:47,538 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-02 22:36:47,538 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 22:36:47,615 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:36:47,790 INFO L443 ModelExtractionUtils]: Simplification made 29 calls to the SMT solver. [2021-11-02 22:36:47,790 INFO L444 ModelExtractionUtils]: 46 out of 86 variables were initially zero. Simplification set additionally 35 variables to zero. [2021-11-02 22:36:47,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:36:47,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:36:47,798 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:36:47,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-02 22:36:47,799 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:36:47,811 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-02 22:36:47,811 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:36:47,812 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstpncpy_~n) = 1*ULTIMATE.start_cstpncpy_~n Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 + 1*ULTIMATE.start_cstpncpy_~s~0.offset + 1*ULTIMATE.start_cstpncpy_~n >= 0] [2021-11-02 22:36:47,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:47,917 INFO L297 tatePredicateManager]: 19 out of 22 supporting invariants were superfluous and have been removed [2021-11-02 22:36:47,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:36:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:36:47,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-02 22:36:47,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:36:48,043 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-02 22:36:48,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-11-02 22:36:48,065 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-02 22:36:48,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-02 22:36:48,295 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-02 22:36:48,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2021-11-02 22:36:48,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-02 22:36:48,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-02 22:36:48,358 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-02 22:36:48,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2021-11-02 22:36:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:36:48,423 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-02 22:36:48,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:36:48,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-02 22:36:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:36:48,551 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2021-11-02 22:36:48,551 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:48,709 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 23 transitions. Complement of second has 8 states. [2021-11-02 22:36:48,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-02 22:36:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:36:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2021-11-02 22:36:48,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-02 22:36:48,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:36:48,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 14 letters. Loop has 4 letters. [2021-11-02 22:36:48,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:36:48,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 10 letters. Loop has 8 letters. [2021-11-02 22:36:48,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:36:48,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-11-02 22:36:48,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:36:48,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-11-02 22:36:48,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:36:48,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:36:48,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:36:48,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:36:48,712 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:36:48,712 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:36:48,712 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:36:48,712 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-02 22:36:48,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:36:48,713 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:36:48,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:36:48,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:36:48 BoogieIcfgContainer [2021-11-02 22:36:48,718 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:36:48,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:36:48,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:36:48,719 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:36:48,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:36:31" (3/4) ... [2021-11-02 22:36:48,722 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:36:48,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:36:48,723 INFO L168 Benchmark]: Toolchain (without parser) took 17784.32 ms. Allocated memory was 88.1 MB in the beginning and 132.1 MB in the end (delta: 44.0 MB). Free memory was 52.4 MB in the beginning and 76.9 MB in the end (delta: -24.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:36:48,724 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 60.7 MB in the beginning and 60.7 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:36:48,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.88 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.4 MB in the beginning and 77.3 MB in the end (delta: -24.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:36:48,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.00 ms. Allocated memory is still 107.0 MB. Free memory was 77.3 MB in the beginning and 75.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:36:48,725 INFO L168 Benchmark]: Boogie Preprocessor took 37.56 ms. Allocated memory is still 107.0 MB. Free memory was 75.6 MB in the beginning and 74.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:36:48,726 INFO L168 Benchmark]: RCFGBuilder took 447.53 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 61.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:36:48,726 INFO L168 Benchmark]: BuchiAutomizer took 16726.41 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 61.1 MB in the beginning and 76.9 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:36:48,726 INFO L168 Benchmark]: Witness Printer took 3.83 ms. Allocated memory is still 132.1 MB. Free memory is still 76.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:36:48,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 60.7 MB in the beginning and 60.7 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.88 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.4 MB in the beginning and 77.3 MB in the end (delta: -24.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.00 ms. Allocated memory is still 107.0 MB. Free memory was 77.3 MB in the beginning and 75.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.56 ms. Allocated memory is still 107.0 MB. Free memory was 75.6 MB in the beginning and 74.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 447.53 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 61.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 16726.41 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 61.1 MB in the beginning and 76.9 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.83 ms. Allocated memory is still 132.1 MB. Free memory is still 76.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 7 locations. One deterministic module has affine ranking function n and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.6s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 15.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 57 SDtfs, 86 SDslu, 107 SDs, 0 SdLazy, 82 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital427 mio100 ax106 hnf99 lsp91 ukn49 mio100 lsp50 div100 bol100 ite100 ukn100 eq189 hnf89 smp98 dnf126 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 243ms VariablesStem: 20 VariablesLoop: 15 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-02 22:36:48,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbea676b-ac77-4fb1-96cb-030b4d25a7a6/bin/uautomizer-tBqnrhUYjU/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