./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6c4332f1874752b59e29803328ba77ee4005585 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:10:38,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:10:38,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:10:38,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:10:38,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:10:38,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:10:38,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:10:38,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:10:38,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:10:38,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:10:38,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:10:38,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:10:38,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:10:38,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:10:38,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:10:38,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:10:38,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:10:38,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:10:38,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:10:38,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:10:38,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:10:38,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:10:38,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:10:38,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:10:38,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:10:38,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:10:38,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:10:38,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:10:38,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:10:38,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:10:38,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:10:38,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:10:38,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:10:38,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:10:38,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:10:38,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:10:38,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:10:38,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:10:38,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:10:38,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:10:38,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:10:38,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:10:38,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:10:38,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:10:38,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:10:38,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:10:38,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:10:38,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:10:38,703 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:10:38,703 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:10:38,704 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:10:38,704 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:10:38,705 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:10:38,705 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:10:38,706 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:10:38,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:10:38,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:10:38,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:10:38,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:10:38,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:10:38,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:10:38,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:10:38,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:10:38,708 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:10:38,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:10:38,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:10:38,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:10:38,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:10:38,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:10:38,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:10:38,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:10:38,713 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:10:38,713 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_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6c4332f1874752b59e29803328ba77ee4005585 [2021-10-13 00:10:38,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:10:39,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:10:39,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:10:39,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:10:39,019 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:10:39,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2021-10-13 00:10:39,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/data/636d2173b/73b1fdffea354a33b4b1b37b119f8327/FLAG02dac40a3 [2021-10-13 00:10:39,662 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:10:39,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2021-10-13 00:10:39,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/data/636d2173b/73b1fdffea354a33b4b1b37b119f8327/FLAG02dac40a3 [2021-10-13 00:10:39,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/data/636d2173b/73b1fdffea354a33b4b1b37b119f8327 [2021-10-13 00:10:39,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:10:39,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:10:40,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:10:40,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:10:40,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:10:40,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:10:39" (1/1) ... [2021-10-13 00:10:40,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392290b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40, skipping insertion in model container [2021-10-13 00:10:40,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:10:39" (1/1) ... [2021-10-13 00:10:40,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:10:40,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:10:40,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:10:40,465 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:10:40,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:10:40,542 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:10:40,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40 WrapperNode [2021-10-13 00:10:40,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:10:40,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:10:40,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:10:40,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:10:40,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:10:40,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:10:40,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:10:40,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:10:40,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:10:40,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:10:40,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:10:40,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:10:40,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (1/1) ... [2021-10-13 00:10:40,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:40,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:40,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:40,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:10:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:10:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:10:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:10:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:10:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:10:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:10:41,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:10:41,127 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:10:41,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:10:41 BoogieIcfgContainer [2021-10-13 00:10:41,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:10:41,130 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:10:41,130 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:10:41,134 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:10:41,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:10:41,135 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:10:39" (1/3) ... [2021-10-13 00:10:41,136 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@648b96f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:10:41, skipping insertion in model container [2021-10-13 00:10:41,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:10:41,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:40" (2/3) ... [2021-10-13 00:10:41,137 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@648b96f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:10:41, skipping insertion in model container [2021-10-13 00:10:41,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:10:41,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:10:41" (3/3) ... [2021-10-13 00:10:41,139 INFO L389 chiAutomizerObserver]: Analyzing ICFG a.06-alloca.i [2021-10-13 00:10:41,187 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:10:41,187 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:10:41,187 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:10:41,187 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:10:41,188 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:10:41,188 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:10:41,188 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:10:41,188 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:10:41,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:41,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-13 00:10:41,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:10:41,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:10:41,223 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:10:41,223 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:41,223 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:10:41,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:41,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-13 00:10:41,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:10:41,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:10:41,226 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:10:41,226 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:41,232 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 20#L557-20true [2021-10-13 00:10:41,233 INFO L793 eck$LassoCheckResult]: Loop: 20#L557-20true call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 18#L557-1true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 17#L557-3true test_fun_#t~short14 := test_fun_#t~short9; 9#L557-4true assume test_fun_#t~short14; 16#L557-9true test_fun_#t~short18 := test_fun_#t~short14; 15#L557-10true assume !test_fun_#t~short18; 13#L557-12true test_fun_#t~short20 := test_fun_#t~short18; 19#L557-13true assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 11#L557-15true test_fun_#t~short22 := test_fun_#t~short20; 7#L557-16true assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 21#L557-18true assume !!test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~short14;havoc test_fun_#t~mem17;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~short18;havoc test_fun_#t~mem19;havoc test_fun_#t~short20;havoc test_fun_#t~mem21;havoc test_fun_#t~short22;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 20#L557-20true [2021-10-13 00:10:41,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:41,239 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 00:10:41,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:41,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913160222] [2021-10-13 00:10:41,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:41,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:41,409 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:41,492 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:41,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1442805661, now seen corresponding path program 1 times [2021-10-13 00:10:41,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:41,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645807138] [2021-10-13 00:10:41,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:41,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:41,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:41,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645807138] [2021-10-13 00:10:41,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645807138] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:41,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:41,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:10:41,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893449851] [2021-10-13 00:10:41,610 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:10:41,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:41,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:10:41,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:10:41,632 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:41,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:41,729 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2021-10-13 00:10:41,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:10:41,731 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-10-13 00:10:41,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2021-10-13 00:10:41,738 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 30 transitions. [2021-10-13 00:10:41,739 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-13 00:10:41,739 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-10-13 00:10:41,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2021-10-13 00:10:41,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:10:41,740 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-13 00:10:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2021-10-13 00:10:41,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-10-13 00:10:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-10-13 00:10:41,770 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-13 00:10:41,771 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-13 00:10:41,771 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:10:41,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-10-13 00:10:41,772 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2021-10-13 00:10:41,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:10:41,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:10:41,773 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:10:41,773 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:41,773 INFO L791 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 62#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 65#L557-20 [2021-10-13 00:10:41,773 INFO L793 eck$LassoCheckResult]: Loop: 65#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 74#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 73#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 66#L557-4 assume test_fun_#t~short14; 67#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 72#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 70#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 71#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 69#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 63#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 64#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~short14;havoc test_fun_#t~mem17;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~short18;havoc test_fun_#t~mem19;havoc test_fun_#t~short20;havoc test_fun_#t~mem21;havoc test_fun_#t~short22;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 65#L557-20 [2021-10-13 00:10:41,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:41,774 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-10-13 00:10:41,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:41,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897016997] [2021-10-13 00:10:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:41,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:41,808 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:41,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:41,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:41,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1500063963, now seen corresponding path program 1 times [2021-10-13 00:10:41,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:41,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253155067] [2021-10-13 00:10:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:41,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:41,891 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:41,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:41,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:41,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1876539869, now seen corresponding path program 1 times [2021-10-13 00:10:41,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:41,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18092630] [2021-10-13 00:10:41,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:41,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:42,015 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:42,096 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:43,997 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:10:43,998 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:10:44,003 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:10:44,003 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:10:44,003 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:10:44,003 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:44,003 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:10:44,004 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:10:44,004 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration2_Lasso [2021-10-13 00:10:44,004 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:10:44,004 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:10:44,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:44,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:45,486 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:10:45,491 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:10:45,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:45,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:45,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:10:45,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:45,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:45,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:45,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:45,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:45,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:45,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:45,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:45,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:45,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:45,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:45,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:45,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:45,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:10:45,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:45,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:45,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:45,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:45,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:45,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:45,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:45,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:45,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:45,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:45,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:45,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:45,669 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:45,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:10:45,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:45,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:45,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:45,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:45,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:45,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:45,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:45,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:45,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:45,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:45,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:45,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:45,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:45,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:10:45,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:45,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:45,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:45,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:45,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:45,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:45,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:45,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:45,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:45,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:45,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:45,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:45,753 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:45,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:10:45,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:45,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:45,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:45,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:45,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:45,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:45,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:45,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:45,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:45,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:45,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:45,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:45,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:45,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:10:45,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:45,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:45,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:45,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:45,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:45,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:45,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:45,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:45,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:45,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:45,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:45,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:45,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:45,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:10:45,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:45,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:45,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:45,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:45,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:45,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:45,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:45,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:45,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:45,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:45,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:45,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:45,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:45,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:10:45,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:45,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:45,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:45,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:45,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:45,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:45,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:45,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:45,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:45,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:45,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:45,988 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:45,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:10:45,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:45,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:45,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:45,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:45,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:45,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:45,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:45,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:46,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,029 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:10:46,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:46,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:46,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:46,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,068 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:10:46,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:46,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:46,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:46,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,153 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:10:46,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:46,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:46,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:46,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,193 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:10:46,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:46,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:46,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:46,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,232 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:10:46,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:46,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:46,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:46,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,279 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:10:46,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:46,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:46,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:46,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,348 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:10:46,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:46,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:46,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,425 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:46,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:46,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:46,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:10:46,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,502 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:46,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:46,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:10:46,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,573 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,577 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:46,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:46,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:10:46,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,658 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:10:46,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:46,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:46,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,737 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:46,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:46,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:10:46,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,806 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:10:46,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:46,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:46,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-13 00:10:46,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,842 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:10:46,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:46,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:46,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:46,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:46,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:46,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:46,941 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:46,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:10:46,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:46,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:46,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:46,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:46,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:46,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:46,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:46,997 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:10:47,026 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 00:10:47,026 INFO L444 ModelExtractionUtils]: 14 out of 40 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-10-13 00:10:47,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:47,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:47,036 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:47,037 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:10:47,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:10:47,066 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:10:47,066 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:10:47,067 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 + 4294967293 Supporting invariants [] [2021-10-13 00:10:47,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:47,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:47,376 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2021-10-13 00:10:47,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:47,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:10:47,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:47,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:10:47,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:47,843 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-13 00:10:47,844 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,045 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 101 transitions. Complement of second has 12 states. [2021-10-13 00:10:48,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-13 00:10:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 48 transitions. [2021-10-13 00:10:48,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 48 transitions. Stem has 2 letters. Loop has 11 letters. [2021-10-13 00:10:48,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:10:48,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 48 transitions. Stem has 13 letters. Loop has 11 letters. [2021-10-13 00:10:48,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:10:48,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 48 transitions. Stem has 2 letters. Loop has 22 letters. [2021-10-13 00:10:48,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:10:48,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 101 transitions. [2021-10-13 00:10:48,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-10-13 00:10:48,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 66 states and 92 transitions. [2021-10-13 00:10:48,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-13 00:10:48,058 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-10-13 00:10:48,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 92 transitions. [2021-10-13 00:10:48,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:10:48,059 INFO L681 BuchiCegarLoop]: Abstraction has 66 states and 92 transitions. [2021-10-13 00:10:48,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 92 transitions. [2021-10-13 00:10:48,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 45. [2021-10-13 00:10:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 44 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2021-10-13 00:10:48,065 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 62 transitions. [2021-10-13 00:10:48,065 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 62 transitions. [2021-10-13 00:10:48,066 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:10:48,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 62 transitions. [2021-10-13 00:10:48,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2021-10-13 00:10:48,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:10:48,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:10:48,068 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:10:48,068 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:48,068 INFO L791 eck$LassoCheckResult]: Stem: 376#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 377#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 382#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 401#L557-1 [2021-10-13 00:10:48,069 INFO L793 eck$LassoCheckResult]: Loop: 401#L557-1 assume !test_fun_#t~short9; 397#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 398#L557-4 assume test_fun_#t~short14; 416#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 394#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 390#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 391#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 388#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 378#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 379#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~short14;havoc test_fun_#t~mem17;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~short18;havoc test_fun_#t~mem19;havoc test_fun_#t~short20;havoc test_fun_#t~mem21;havoc test_fun_#t~short22;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 405#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 401#L557-1 [2021-10-13 00:10:48,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,069 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-13 00:10:48,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904101344] [2021-10-13 00:10:48,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,092 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:48,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,119 INFO L82 PathProgramCache]: Analyzing trace with hash 962628681, now seen corresponding path program 1 times [2021-10-13 00:10:48,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285837913] [2021-10-13 00:10:48,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:48,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:48,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285837913] [2021-10-13 00:10:48,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285837913] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:48,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:48,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:10:48,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963293637] [2021-10-13 00:10:48,152 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:10:48,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:48,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:10:48,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:10:48,153 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:48,190 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2021-10-13 00:10:48,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:10:48,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 82 transitions. [2021-10-13 00:10:48,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2021-10-13 00:10:48,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 82 transitions. [2021-10-13 00:10:48,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-13 00:10:48,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-10-13 00:10:48,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 82 transitions. [2021-10-13 00:10:48,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:10:48,205 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 82 transitions. [2021-10-13 00:10:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 82 transitions. [2021-10-13 00:10:48,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2021-10-13 00:10:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-10-13 00:10:48,215 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-10-13 00:10:48,215 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-10-13 00:10:48,215 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:10:48,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 54 transitions. [2021-10-13 00:10:48,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-13 00:10:48,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:10:48,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:10:48,219 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:10:48,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:48,220 INFO L791 eck$LassoCheckResult]: Stem: 489#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 490#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 495#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 510#L557-1 [2021-10-13 00:10:48,220 INFO L793 eck$LassoCheckResult]: Loop: 510#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 508#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 496#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 497#L557-6 assume test_fun_#t~short13;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem12 > -2147483648 - test_fun_#t~mem11; 485#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 486#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 506#L557-10 assume !test_fun_#t~short18; 502#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 503#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 500#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 491#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 492#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~short14;havoc test_fun_#t~mem17;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~short18;havoc test_fun_#t~mem19;havoc test_fun_#t~short20;havoc test_fun_#t~mem21;havoc test_fun_#t~short22;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 513#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 510#L557-1 [2021-10-13 00:10:48,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,220 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-10-13 00:10:48,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407396221] [2021-10-13 00:10:48,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,238 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,261 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:48,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,262 INFO L82 PathProgramCache]: Analyzing trace with hash 623036047, now seen corresponding path program 1 times [2021-10-13 00:10:48,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526210478] [2021-10-13 00:10:48,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:48,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:48,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526210478] [2021-10-13 00:10:48,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526210478] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:48,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:48,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:10:48,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990686131] [2021-10-13 00:10:48,293 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:10:48,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:48,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:10:48,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:10:48,294 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:48,331 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2021-10-13 00:10:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:10:48,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 78 transitions. [2021-10-13 00:10:48,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2021-10-13 00:10:48,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 78 transitions. [2021-10-13 00:10:48,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-13 00:10:48,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-13 00:10:48,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 78 transitions. [2021-10-13 00:10:48,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:10:48,335 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 78 transitions. [2021-10-13 00:10:48,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 78 transitions. [2021-10-13 00:10:48,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 43. [2021-10-13 00:10:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 42 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2021-10-13 00:10:48,339 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2021-10-13 00:10:48,339 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2021-10-13 00:10:48,339 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:10:48,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 58 transitions. [2021-10-13 00:10:48,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2021-10-13 00:10:48,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:10:48,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:10:48,341 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:10:48,341 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:48,341 INFO L791 eck$LassoCheckResult]: Stem: 595#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 596#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 601#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 621#L557-1 [2021-10-13 00:10:48,342 INFO L793 eck$LassoCheckResult]: Loop: 621#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 618#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 602#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 603#L557-6 assume test_fun_#t~short13;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem12 > -2147483648 - test_fun_#t~mem11; 591#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 592#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 612#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 608#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 609#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 606#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 597#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 598#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~short14;havoc test_fun_#t~mem17;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~short18;havoc test_fun_#t~mem19;havoc test_fun_#t~short20;havoc test_fun_#t~mem21;havoc test_fun_#t~short22;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 626#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 621#L557-1 [2021-10-13 00:10:48,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,342 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2021-10-13 00:10:48,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218565505] [2021-10-13 00:10:48,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,358 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,380 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:48,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1151971315, now seen corresponding path program 1 times [2021-10-13 00:10:48,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045484034] [2021-10-13 00:10:48,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:48,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:48,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045484034] [2021-10-13 00:10:48,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045484034] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:48,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:48,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:10:48,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684902029] [2021-10-13 00:10:48,533 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:10:48,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:48,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:10:48,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:10:48,534 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. cyclomatic complexity: 17 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:48,794 INFO L93 Difference]: Finished difference Result 114 states and 140 transitions. [2021-10-13 00:10:48,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 00:10:48,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 140 transitions. [2021-10-13 00:10:48,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 38 [2021-10-13 00:10:48,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 87 states and 107 transitions. [2021-10-13 00:10:48,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-13 00:10:48,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-13 00:10:48,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 107 transitions. [2021-10-13 00:10:48,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:10:48,799 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 107 transitions. [2021-10-13 00:10:48,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 107 transitions. [2021-10-13 00:10:48,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 47. [2021-10-13 00:10:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 46 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2021-10-13 00:10:48,805 INFO L704 BuchiCegarLoop]: Abstraction has 47 states and 59 transitions. [2021-10-13 00:10:48,805 INFO L587 BuchiCegarLoop]: Abstraction has 47 states and 59 transitions. [2021-10-13 00:10:48,805 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:10:48,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 59 transitions. [2021-10-13 00:10:48,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2021-10-13 00:10:48,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:10:48,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:10:48,807 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:10:48,807 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:48,807 INFO L791 eck$LassoCheckResult]: Stem: 780#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 781#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 786#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 806#L557-1 [2021-10-13 00:10:48,807 INFO L793 eck$LassoCheckResult]: Loop: 806#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 803#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 804#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 793#L557-6 assume !test_fun_#t~short13; 776#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 777#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 799#L557-10 assume !test_fun_#t~short18; 800#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 810#L557-13 assume !test_fun_#t~short20; 791#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 782#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 783#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~short14;havoc test_fun_#t~mem17;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~short18;havoc test_fun_#t~mem19;havoc test_fun_#t~short20;havoc test_fun_#t~mem21;havoc test_fun_#t~short22;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 811#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 806#L557-1 [2021-10-13 00:10:48,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,808 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 4 times [2021-10-13 00:10:48,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342667281] [2021-10-13 00:10:48,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,824 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:48,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,859 INFO L82 PathProgramCache]: Analyzing trace with hash 231856079, now seen corresponding path program 1 times [2021-10-13 00:10:48,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887258503] [2021-10-13 00:10:48,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:48,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:48,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887258503] [2021-10-13 00:10:48,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887258503] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:48,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:48,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:10:48,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179368151] [2021-10-13 00:10:48,890 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:10:48,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:48,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:10:48,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:10:48,892 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:48,911 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2021-10-13 00:10:48,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:10:48,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 62 transitions. [2021-10-13 00:10:48,913 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2021-10-13 00:10:48,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 43 states and 50 transitions. [2021-10-13 00:10:48,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-13 00:10:48,914 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-13 00:10:48,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 50 transitions. [2021-10-13 00:10:48,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:10:48,914 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-10-13 00:10:48,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 50 transitions. [2021-10-13 00:10:48,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-13 00:10:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 42 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2021-10-13 00:10:48,920 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-10-13 00:10:48,920 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-10-13 00:10:48,920 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 00:10:48,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 50 transitions. [2021-10-13 00:10:48,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2021-10-13 00:10:48,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:10:48,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:10:48,922 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:10:48,922 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:48,922 INFO L791 eck$LassoCheckResult]: Stem: 889#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 890#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 895#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 913#L557-1 [2021-10-13 00:10:48,922 INFO L793 eck$LassoCheckResult]: Loop: 913#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 914#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 922#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 903#L557-6 assume !test_fun_#t~short13; 885#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 886#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 908#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 904#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 905#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 901#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 891#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 892#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~short14;havoc test_fun_#t~mem17;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~short18;havoc test_fun_#t~mem19;havoc test_fun_#t~short20;havoc test_fun_#t~mem21;havoc test_fun_#t~short22;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 917#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 913#L557-1 [2021-10-13 00:10:48,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,923 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 5 times [2021-10-13 00:10:48,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642038108] [2021-10-13 00:10:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,951 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:48,984 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:48,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:48,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1544998325, now seen corresponding path program 1 times [2021-10-13 00:10:48,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:48,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213794406] [2021-10-13 00:10:48,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:48,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:49,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:49,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213794406] [2021-10-13 00:10:49,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213794406] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:49,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:49,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:10:49,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909996862] [2021-10-13 00:10:49,036 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:10:49,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:49,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:10:49,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:10:49,037 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:49,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:49,074 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2021-10-13 00:10:49,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:10:49,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 54 transitions. [2021-10-13 00:10:49,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-13 00:10:49,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 39 states and 42 transitions. [2021-10-13 00:10:49,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-13 00:10:49,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-13 00:10:49,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 42 transitions. [2021-10-13 00:10:49,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:10:49,077 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-10-13 00:10:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 42 transitions. [2021-10-13 00:10:49,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-13 00:10:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2021-10-13 00:10:49,080 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-10-13 00:10:49,080 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-10-13 00:10:49,080 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 00:10:49,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 42 transitions. [2021-10-13 00:10:49,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-13 00:10:49,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:10:49,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:10:49,082 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:10:49,082 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:49,082 INFO L791 eck$LassoCheckResult]: Stem: 993#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 994#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 999#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 1015#L557-1 [2021-10-13 00:10:49,082 INFO L793 eck$LassoCheckResult]: Loop: 1015#L557-1 assume !test_fun_#t~short9; 1013#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 1000#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 1001#L557-6 assume test_fun_#t~short13;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem12 > -2147483648 - test_fun_#t~mem11; 989#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 990#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 1011#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 1006#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 1007#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 1004#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 995#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 996#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~short14;havoc test_fun_#t~mem17;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~short18;havoc test_fun_#t~mem19;havoc test_fun_#t~short20;havoc test_fun_#t~mem21;havoc test_fun_#t~short22;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 1018#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 1015#L557-1 [2021-10-13 00:10:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:49,083 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 6 times [2021-10-13 00:10:49,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:49,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979834001] [2021-10-13 00:10:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:49,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:49,097 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:49,116 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:49,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:49,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1738777329, now seen corresponding path program 1 times [2021-10-13 00:10:49,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:49,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443786034] [2021-10-13 00:10:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:49,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:49,129 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:49,143 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:49,144 INFO L82 PathProgramCache]: Analyzing trace with hash -403715764, now seen corresponding path program 1 times [2021-10-13 00:10:49,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:49,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065177853] [2021-10-13 00:10:49,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:49,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:49,174 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:10:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:10:49,203 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:10:50,898 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:10:50,898 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:10:50,898 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:10:50,898 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:10:50,898 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:10:50,898 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:50,898 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:10:50,899 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:10:50,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration8_Lasso [2021-10-13 00:10:50,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:10:50,899 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:10:50,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:50,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:52,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:10:53,645 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:10:53,645 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:10:53,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:53,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:53,653 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:53,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:10:53,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:53,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:53,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:53,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:53,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:53,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:53,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:53,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:53,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:53,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:53,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:53,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:53,728 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:53,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:53,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:10:53,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:53,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:53,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:53,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:53,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:53,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:53,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:53,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:53,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:53,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:53,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:53,767 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:53,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:10:53,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:53,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:53,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:53,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:53,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:53,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:53,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:53,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:53,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:53,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-13 00:10:53,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:53,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:53,801 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:53,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:10:53,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:53,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:53,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:53,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:53,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:53,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:53,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:53,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:53,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:53,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:53,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:53,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:53,834 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:53,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:10:53,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:53,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:53,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:53,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:53,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:53,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:53,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:53,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:53,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:53,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 00:10:53,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:53,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:53,875 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:53,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:10:53,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:53,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:53,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:53,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:53,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:53,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:53,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:53,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:53,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:53,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:53,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:53,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:53,909 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:53,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:10:53,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:53,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:53,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:53,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:53,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:53,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:53,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:53,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:53,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:53,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-13 00:10:53,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:53,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:53,942 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:53,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:10:53,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:53,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:53,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:53,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:53,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:53,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:53,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:53,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:53,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:53,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-13 00:10:53,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:53,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:53,984 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:53,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:10:53,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:53,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:53,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:53,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:53,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:53,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:53,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:53,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:54,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,030 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:10:54,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-13 00:10:54,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,071 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:10:54,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:54,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,105 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:10:54,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:54,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:54,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:54,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,146 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 00:10:54,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 00:10:54,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,189 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 00:10:54,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-13 00:10:54,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,250 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 00:10:54,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:54,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,297 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 00:10:54,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:54,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:54,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-13 00:10:54,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,353 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 00:10:54,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-13 00:10:54,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,387 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 00:10:54,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-13 00:10:54,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,428 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 00:10:54,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:54,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:54,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-13 00:10:54,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,468 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 00:10:54,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-13 00:10:54,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,500 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,501 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 [2021-10-13 00:10:54,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 00:10:54,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:54,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:54,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-13 00:10:54,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,534 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 00:10:54,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:54,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,567 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 00:10:54,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-13 00:10:54,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,600 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 00:10:54,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:54,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,634 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 00:10:54,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-13 00:10:54,666 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,667 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 00:10:54,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:10:54,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:10:54,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:10:54,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-13 00:10:54,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,699 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 00:10:54,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:10:54,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:10:54,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:10:54,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:10:54,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:10:54,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:54,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,773 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 00:10:54,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:10:54,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:10:54,791 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-13 00:10:54,792 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:10:54,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:10:54,835 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-10-13 00:10:54,835 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:10:54,900 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:10:54,967 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 00:10:54,967 INFO L444 ModelExtractionUtils]: 35 out of 76 variables were initially zero. Simplification set additionally 38 variables to zero. [2021-10-13 00:10:54,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:10:54,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:54,968 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:54,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 00:10:54,970 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:10:54,983 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-13 00:10:54,983 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:10:54,983 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2 + 4294967293 Supporting invariants [] [2021-10-13 00:10:55,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:55,213 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2021-10-13 00:10:55,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:55,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:10:55,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:55,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:10:55,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:55,478 INFO L354 Elim1Store]: treesize reduction 56, result has 32.5 percent of original size [2021-10-13 00:10:55,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 127 treesize of output 79 [2021-10-13 00:10:55,541 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-13 00:10:55,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-10-13 00:10:55,577 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 32 treesize of output 20 [2021-10-13 00:10:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:55,613 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:10:55,613 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:55,662 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 86 transitions. Complement of second has 6 states. [2021-10-13 00:10:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:10:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-10-13 00:10:55,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 13 letters. [2021-10-13 00:10:55,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:10:55,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 16 letters. Loop has 13 letters. [2021-10-13 00:10:55,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:10:55,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 26 letters. [2021-10-13 00:10:55,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:10:55,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 86 transitions. [2021-10-13 00:10:55,669 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:10:55,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2021-10-13 00:10:55,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:10:55,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:10:55,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:10:55,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:10:55,670 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:10:55,670 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:10:55,670 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:10:55,670 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 00:10:55,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:10:55,671 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:10:55,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:10:55,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:10:55 BoogieIcfgContainer [2021-10-13 00:10:55,677 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:10:55,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:10:55,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:10:55,678 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:10:55,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:10:41" (3/4) ... [2021-10-13 00:10:55,682 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:10:55,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:10:55,683 INFO L168 Benchmark]: Toolchain (without parser) took 15684.73 ms. Allocated memory was 109.1 MB in the beginning and 205.5 MB in the end (delta: 96.5 MB). Free memory was 76.4 MB in the beginning and 83.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:55,683 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:10:55,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.77 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 75.9 MB in the beginning and 109.6 MB in the end (delta: -33.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:55,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.52 ms. Allocated memory is still 140.5 MB. Free memory was 109.6 MB in the beginning and 108.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:10:55,685 INFO L168 Benchmark]: Boogie Preprocessor took 31.28 ms. Allocated memory is still 140.5 MB. Free memory was 108.1 MB in the beginning and 106.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:55,685 INFO L168 Benchmark]: RCFGBuilder took 502.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.2 MB in the beginning and 93.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:55,686 INFO L168 Benchmark]: BuchiAutomizer took 14547.28 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 93.4 MB in the beginning and 84.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 75.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:55,686 INFO L168 Benchmark]: Witness Printer took 4.10 ms. Allocated memory is still 205.5 MB. Free memory was 84.8 MB in the beginning and 83.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:55,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.77 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 75.9 MB in the beginning and 109.6 MB in the end (delta: -33.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.52 ms. Allocated memory is still 140.5 MB. Free memory was 109.6 MB in the beginning and 108.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.28 ms. Allocated memory is still 140.5 MB. Free memory was 108.1 MB in the beginning and 106.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 502.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.2 MB in the beginning and 93.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14547.28 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 93.4 MB in the beginning and 84.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 75.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.10 ms. Allocated memory is still 205.5 MB. Free memory was 84.8 MB in the beginning and 83.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. 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 8 terminating modules (6 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 and consists of 7 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.5s and 9 iterations. TraceHistogramMax:1. Analysis of lassos took 12.6s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 6. Automata minimization 48.6ms AutomataMinimizationTime, 7 MinimizatonAttempts, 101 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 47 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 158 SDtfs, 199 SDslu, 261 SDs, 0 SdLazy, 253 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 329.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI6 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital462 mio100 ax103 hnf100 lsp95 ukn77 mio100 lsp29 div100 bol105 ite100 ukn100 eq168 hnf89 smp91 dnf228 smp74 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 210ms VariablesStem: 14 VariablesLoop: 9 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:10:55,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:55,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_615ecbae-a13d-47c9-861c-45eafaabe47f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...