./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/array06_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/array06_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF --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 0813819187e9a2abc800e062dc2a3ce48468372a35f94a85a0472def328bf451 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:39:13,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:39:13,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:39:13,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:39:13,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:39:13,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:39:13,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:39:13,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:39:13,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:39:13,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:39:13,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:39:13,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:39:13,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:39:13,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:39:13,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:39:13,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:39:13,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:39:13,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:39:13,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:39:13,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:39:13,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:39:13,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:39:13,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:39:13,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:39:13,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:39:13,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:39:13,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:39:13,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:39:13,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:39:13,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:39:13,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:39:13,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:39:13,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:39:13,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:39:13,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:39:13,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:39:13,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:39:13,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:39:13,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:39:13,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:39:13,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:39:13,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:39:13,739 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:39:13,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:39:13,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:39:13,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:39:13,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:39:13,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:39:13,750 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:39:13,751 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:39:13,751 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:39:13,751 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:39:13,753 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:39:13,753 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:39:13,753 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:39:13,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:39:13,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:39:13,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:39:13,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:39:13,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:39:13,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:39:13,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:39:13,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:39:13,756 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:39:13,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:39:13,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:39:13,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:39:13,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:39:13,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:39:13,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:39:13,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:39:13,762 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:39:13,763 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_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0813819187e9a2abc800e062dc2a3ce48468372a35f94a85a0472def328bf451 [2021-11-20 06:39:14,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:39:14,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:39:14,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:39:14,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:39:14,098 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:39:14,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-15/array06_alloca.i [2021-11-20 06:39:14,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/data/0e70729ad/fa7fee4bed514888b3bf2c4f969dcae7/FLAG548590627 [2021-11-20 06:39:14,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:39:14,773 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/sv-benchmarks/c/termination-15/array06_alloca.i [2021-11-20 06:39:14,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/data/0e70729ad/fa7fee4bed514888b3bf2c4f969dcae7/FLAG548590627 [2021-11-20 06:39:15,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/data/0e70729ad/fa7fee4bed514888b3bf2c4f969dcae7 [2021-11-20 06:39:15,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:39:15,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:39:15,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:39:15,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:39:15,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:39:15,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6a6c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15, skipping insertion in model container [2021-11-20 06:39:15,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:39:15,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:39:15,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:39:15,444 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:39:15,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:39:15,519 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:39:15,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15 WrapperNode [2021-11-20 06:39:15,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:39:15,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:39:15,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:39:15,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:39:15,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,561 INFO L137 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-11-20 06:39:15,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:39:15,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:39:15,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:39:15,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:39:15,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:39:15,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:39:15,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:39:15,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:39:15,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (1/1) ... [2021-11-20 06:39:15,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:15,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:15,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:15,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:39:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:39:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:39:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:39:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:39:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:39:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:39:15,733 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:39:15,735 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:39:15,841 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:39:15,847 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:39:15,847 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:39:15,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:39:15 BoogieIcfgContainer [2021-11-20 06:39:15,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:39:15,851 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:39:15,851 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:39:15,855 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:39:15,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:39:15,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:39:15" (1/3) ... [2021-11-20 06:39:15,857 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@527abdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:39:15, skipping insertion in model container [2021-11-20 06:39:15,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:39:15,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:15" (2/3) ... [2021-11-20 06:39:15,858 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@527abdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:39:15, skipping insertion in model container [2021-11-20 06:39:15,858 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:39:15,858 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:39:15" (3/3) ... [2021-11-20 06:39:15,860 INFO L388 chiAutomizerObserver]: Analyzing ICFG array06_alloca.i [2021-11-20 06:39:15,941 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:39:15,941 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:39:15,941 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:39:15,941 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:39:15,942 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:39:15,942 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:39:15,942 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:39:15,942 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:39:15,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:15,976 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-11-20 06:39:15,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:39:15,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:39:15,982 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:39:15,983 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:39:15,983 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:39:15,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:15,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-11-20 06:39:15,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:39:15,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:39:15,986 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:39:15,986 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:39:15,994 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 12#L367true assume !(main_~length~0#1 < 1); 9#L367-2true call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 6#L369true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7#L370-3true [2021-11-20 06:39:15,994 INFO L793 eck$LassoCheckResult]: Loop: 7#L370-3true assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 13#L370-2true main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 7#L370-3true [2021-11-20 06:39:16,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:16,001 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-11-20 06:39:16,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:16,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413044910] [2021-11-20 06:39:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:16,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:16,178 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:16,235 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:16,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:16,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2021-11-20 06:39:16,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:16,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139716579] [2021-11-20 06:39:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:16,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:16,266 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:16,279 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:16,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:16,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2021-11-20 06:39:16,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:16,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228051458] [2021-11-20 06:39:16,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:16,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:16,299 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:16,344 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:16,713 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:39:16,714 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:39:16,714 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:39:16,714 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:39:16,714 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:39:16,714 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:16,715 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:39:16,715 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:39:16,715 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration1_Lasso [2021-11-20 06:39:16,715 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:39:16,715 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:39:16,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:16,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:16,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:16,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:16,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:16,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:16,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:16,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:16,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:17,246 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:39:17,252 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:39:17,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,262 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 [2021-11-20 06:39:17,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:17,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:17,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:17,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:17,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:17,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:17,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:17,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:39:17,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:17,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-20 06:39:17,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:39:17,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:17,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:17,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:17,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:17,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:17,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:17,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:17,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:17,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-20 06:39:17,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:39:17,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:17,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:17,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:17,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:17,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:17,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:17,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:17,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:17,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:17,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:17,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:39:17,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:17,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:17,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:17,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:17,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:17,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:17,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:17,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:17,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:17,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:17,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:39:17,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:17,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:17,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:17,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:17,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:17,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:17,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:17,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:17,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:17,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-20 06:39:17,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,632 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:39:17,635 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 [2021-11-20 06:39:17,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:17,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:17,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:17,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:17,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:17,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:17,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:17,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:17,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-20 06:39:17,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,688 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:39:17,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:17,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:17,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:17,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:17,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:17,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:17,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:17,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:17,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-20 06:39:17,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,756 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:39:17,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:17,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:17,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:17,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:17,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:17,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:17,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:17,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:17,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:17,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:17,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:39:17,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:17,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:17,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:17,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:17,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:17,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:17,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:17,917 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:39:17,963 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-20 06:39:17,963 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-11-20 06:39:17,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:17,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:17,971 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:17,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:39:18,001 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:39:18,038 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:39:18,038 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:39:18,039 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~arr~0#1.offset, v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~arr~0#1.offset + 2*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1 Supporting invariants [] [2021-11-20 06:39:18,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:18,088 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-11-20 06:39:18,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:18,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:39:18,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:39:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:18,209 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:39:18,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:39:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:18,288 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 06:39:18,290 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:18,345 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 40 transitions. Complement of second has 7 states. [2021-11-20 06:39:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:39:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-11-20 06:39:18,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 06:39:18,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:39:18,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-20 06:39:18,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:39:18,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-20 06:39:18,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:39:18,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2021-11-20 06:39:18,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:39:18,367 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 10 states and 13 transitions. [2021-11-20 06:39:18,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-11-20 06:39:18,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-20 06:39:18,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-11-20 06:39:18,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:39:18,369 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-20 06:39:18,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-11-20 06:39:18,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-20 06:39:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-11-20 06:39:18,400 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-20 06:39:18,400 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-20 06:39:18,400 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:39:18,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-11-20 06:39:18,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:39:18,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:39:18,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:39:18,402 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:39:18,402 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:39:18,403 INFO L791 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 107#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 110#L367 assume !(main_~length~0#1 < 1); 104#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 105#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 108#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 109#L370-4 main_~j~0#1 := 0; 103#L374-2 [2021-11-20 06:39:18,403 INFO L793 eck$LassoCheckResult]: Loop: 103#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(1 + main_#t~post210#1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 + main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 103#L374-2 [2021-11-20 06:39:18,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:18,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2021-11-20 06:39:18,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:18,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472825061] [2021-11-20 06:39:18,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:18,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:18,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:18,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:39:18,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472825061] [2021-11-20 06:39:18,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472825061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:39:18,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:39:18,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:39:18,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348036906] [2021-11-20 06:39:18,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:39:18,471 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:39:18,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:18,472 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2021-11-20 06:39:18,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:18,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303540846] [2021-11-20 06:39:18,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:18,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:18,480 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:18,489 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:18,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:39:18,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:39:18,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:39:18,559 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:18,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:39:18,586 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-11-20 06:39:18,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:39:18,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-11-20 06:39:18,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:39:18,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2021-11-20 06:39:18,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-20 06:39:18,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-20 06:39:18,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-11-20 06:39:18,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:39:18,590 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-11-20 06:39:18,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-11-20 06:39:18,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-11-20 06:39:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-20 06:39:18,592 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-20 06:39:18,593 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-20 06:39:18,593 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:39:18,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-11-20 06:39:18,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:39:18,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:39:18,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:39:18,595 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:39:18,595 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:39:18,595 INFO L791 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 138#L367 assume !(main_~length~0#1 < 1); 134#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 135#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 136#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 139#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 140#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 137#L370-4 main_~j~0#1 := 0; 131#L374-2 [2021-11-20 06:39:18,595 INFO L793 eck$LassoCheckResult]: Loop: 131#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(1 + main_#t~post210#1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 + main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 131#L374-2 [2021-11-20 06:39:18,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:18,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1182969107, now seen corresponding path program 1 times [2021-11-20 06:39:18,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:18,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203742209] [2021-11-20 06:39:18,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:18,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:18,612 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:18,629 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:18,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:18,630 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 2 times [2021-11-20 06:39:18,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:18,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780782577] [2021-11-20 06:39:18,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:18,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:18,638 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:18,646 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:18,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:18,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1982663310, now seen corresponding path program 1 times [2021-11-20 06:39:18,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:18,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214465944] [2021-11-20 06:39:18,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:18,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:18,663 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:18,683 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:19,071 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:39:19,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:39:19,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:39:19,074 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:39:19,074 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:39:19,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:19,075 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:39:19,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:39:19,075 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration3_Lasso [2021-11-20 06:39:19,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:39:19,075 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:39:19,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:19,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:19,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:19,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:19,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:19,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:19,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:19,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:19,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:19,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:19,700 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:39:19,700 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:39:19,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:19,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:19,702 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:19,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:19,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:19,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:19,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:19,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:19,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:19,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:19,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:19,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:39:19,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:19,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:19,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:19,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:19,787 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:19,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:19,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:19,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:19,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:19,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:19,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:19,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:19,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:19,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:39:19,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:19,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:19,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:19,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:19,866 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:19,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:19,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:39:19,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:19,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:19,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:19,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:19,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:19,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:19,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:19,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:19,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:19,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:19,926 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:19,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:39:19,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:19,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:19,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:19,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:19,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:19,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:19,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:19,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:19,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:19,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:19,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:19,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:19,966 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:19,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:39:19,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:19,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:19,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:19,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:19,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:19,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:19,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:19,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,045 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:20,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:39:20,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:20,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:20,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,142 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:39:20,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:20,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:20,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:20,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,254 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,262 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 [2021-11-20 06:39:20,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:20,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:20,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:20,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:39:20,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,329 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:39:20,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:20,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:20,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:20,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:20,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,383 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:39:20,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:20,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:20,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:20,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:20,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,430 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:39:20,431 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 [2021-11-20 06:39:20,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:20,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:20,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:20,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:20,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-20 06:39:20,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,473 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:39:20,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:20,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:20,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:20,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,533 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:39:20,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,550 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:20,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,563 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:20,563 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:39:20,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:20,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:39:20,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,627 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:20,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,641 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:20,642 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:39:20,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:20,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:39:20,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,700 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,718 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:20,721 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:39:20,721 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:39:20,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:39:20,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,790 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:20,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,804 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:20,805 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:39:20,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:20,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:39:20,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,866 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,882 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:20,888 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:39:20,888 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:39:20,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:39:20,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:20,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:20,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:20,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:20,966 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:20,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:20,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:20,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:20,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:20,980 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:20,985 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:39:20,985 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:39:20,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:39:21,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:21,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:21,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:21,048 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:21,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:39:21,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:21,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:21,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:21,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:21,064 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:21,090 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:39:21,090 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:39:21,124 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:39:21,260 INFO L443 ModelExtractionUtils]: Simplification made 32 calls to the SMT solver. [2021-11-20 06:39:21,260 INFO L444 ModelExtractionUtils]: 13 out of 51 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-11-20 06:39:21,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:21,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:21,262 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:21,264 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:39:21,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:39:21,282 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2021-11-20 06:39:21,283 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:39:21,283 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_2 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ (* ULTIMATE.start_main_~i~0#1 4) ULTIMATE.start_main_~arr~0#1.offset (- 4)))_1 f1 = 2*ULTIMATE.start_main_~length~0#1 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2021-11-20 06:39:21,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:21,345 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-11-20 06:39:21,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:21,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:39:21,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:39:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:21,533 WARN L261 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:39:21,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:39:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:21,535 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2021-11-20 06:39:21,535 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:21,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:21,732 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 21 transitions. Complement of second has 6 states. [2021-11-20 06:39:21,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 0 non-accepting loop states 2 accepting loop states [2021-11-20 06:39:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-11-20 06:39:21,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 9 letters. Loop has 1 letters. [2021-11-20 06:39:21,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:39:21,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 10 letters. Loop has 1 letters. [2021-11-20 06:39:21,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:39:21,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-20 06:39:21,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:39:21,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-11-20 06:39:21,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:39:21,738 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 15 states and 17 transitions. [2021-11-20 06:39:21,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-20 06:39:21,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-20 06:39:21,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2021-11-20 06:39:21,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:39:21,739 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-11-20 06:39:21,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2021-11-20 06:39:21,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2021-11-20 06:39:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:21,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-11-20 06:39:21,741 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-11-20 06:39:21,741 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-11-20 06:39:21,741 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:39:21,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2021-11-20 06:39:21,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:39:21,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:39:21,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:39:21,743 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:39:21,743 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:39:21,743 INFO L791 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 247#L367 assume !(main_~length~0#1 < 1); 243#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 244#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 245#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 248#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 249#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 250#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 251#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 246#L370-4 main_~j~0#1 := 0; 240#L374-2 [2021-11-20 06:39:21,743 INFO L793 eck$LassoCheckResult]: Loop: 240#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(1 + main_#t~post210#1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 + main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 240#L374-2 [2021-11-20 06:39:21,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1332965227, now seen corresponding path program 2 times [2021-11-20 06:39:21,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:21,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785479867] [2021-11-20 06:39:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:21,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:21,774 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:21,808 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:21,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:21,809 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 3 times [2021-11-20 06:39:21,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:21,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377685949] [2021-11-20 06:39:21,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:21,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:21,826 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:21,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:21,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:21,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1627750960, now seen corresponding path program 2 times [2021-11-20 06:39:21,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:21,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541219478] [2021-11-20 06:39:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:21,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:21,870 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:21,888 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:22,218 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:39:22,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:39:22,218 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:39:22,218 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:39:22,219 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:39:22,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:22,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:39:22,219 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:39:22,219 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration4_Lasso [2021-11-20 06:39:22,219 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:39:22,219 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:39:22,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:22,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:22,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:22,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:22,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:22,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:22,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:22,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:22,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:39:22,592 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:39:22,593 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:39:22,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:22,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:22,594 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:22,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:22,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:22,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:22,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:22,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:22,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:22,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:22,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:22,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:39:22,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:22,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:22,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:22,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:22,667 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:22,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:22,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:22,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:22,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:22,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:22,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:22,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:22,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:22,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:39:22,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:22,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:22,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:22,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:22,754 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:22,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:22,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:22,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:22,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:22,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:22,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:22,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:22,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:22,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:39:22,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:22,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:22,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:22,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:22,839 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:22,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:22,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:39:22,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:22,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:22,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:22,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:22,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:22,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:22,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:22,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:22,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:22,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:22,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:22,893 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:22,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:39:22,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:22,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:22,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:22,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:22,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:22,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:22,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:22,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:22,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:22,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:22,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:22,933 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:22,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:39:22,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:22,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:22,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:22,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:22,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:22,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:22,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:22,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:22,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,014 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:23,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:23,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:23,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:39:23,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,101 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:23,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:23,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:23,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:39:23,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,190 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:23,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:23,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:23,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:39:23,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,265 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:39:23,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:23,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:23,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:23,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,338 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:23,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:23,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:39:23,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:23,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:39:23,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,413 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:39:23,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:39:23,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:39:23,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:39:23,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,480 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:39:23,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,482 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:23,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,495 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:23,496 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:39:23,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:23,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:39:23,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,549 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:23,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,566 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:23,567 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:39:23,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:23,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:39:23,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,613 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:23,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,627 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:23,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:39:23,633 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:39:23,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:23,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,686 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:23,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:39:23,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,701 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:23,705 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:39:23,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:23,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,756 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,769 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:23,771 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:39:23,771 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:39:23,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:39:23,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,838 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:23,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:39:23,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,851 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:23,852 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:39:23,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:39:23,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:39:23,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,908 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,910 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 [2021-11-20 06:39:23,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:23,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:23,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:23,922 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:23,927 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:39:23,933 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:39:23,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:39:23,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:39:23,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:23,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:23,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:23,994 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:23,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:39:23,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:39:24,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:39:24,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:39:24,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:39:24,005 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:39:24,037 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:39:24,038 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:39:24,062 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:39:24,098 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-11-20 06:39:24,099 INFO L444 ModelExtractionUtils]: 17 out of 46 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-11-20 06:39:24,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:39:24,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:24,100 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:24,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:39:24,105 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:39:24,126 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2021-11-20 06:39:24,126 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:39:24,126 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*ULTIMATE.start_main_~length~0#1 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_2 f1 = 2*ULTIMATE.start_main_~length~0#1 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2021-11-20 06:39:24,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 06:39:24,163 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-11-20 06:39:24,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:24,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:39:24,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:39:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:24,238 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:39:24,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:39:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:24,239 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-20 06:39:24,239 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:24,249 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 15 transitions. Complement of second has 2 states. [2021-11-20 06:39:24,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 06:39:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 11 transitions. [2021-11-20 06:39:24,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 11 letters. Loop has 1 letters. [2021-11-20 06:39:24,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:39:24,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 12 letters. Loop has 1 letters. [2021-11-20 06:39:24,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:39:24,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 11 letters. Loop has 2 letters. [2021-11-20 06:39:24,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:39:24,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2021-11-20 06:39:24,253 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:39:24,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-11-20 06:39:24,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:39:24,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:39:24,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:39:24,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:39:24,254 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:39:24,254 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:39:24,254 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:39:24,254 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 06:39:24,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:39:24,254 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:39:24,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:39:24,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:39:24 BoogieIcfgContainer [2021-11-20 06:39:24,262 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:39:24,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:39:24,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:39:24,264 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:39:24,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:39:15" (3/4) ... [2021-11-20 06:39:24,267 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:39:24,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:39:24,268 INFO L158 Benchmark]: Toolchain (without parser) took 9174.86ms. Allocated memory was 88.1MB in the beginning and 151.0MB in the end (delta: 62.9MB). Free memory was 57.2MB in the beginning and 111.7MB in the end (delta: -54.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-20 06:39:24,269 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:39:24,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.37ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 57.0MB in the beginning and 94.9MB in the end (delta: -38.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:39:24,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.41ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 93.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:39:24,270 INFO L158 Benchmark]: Boogie Preprocessor took 22.59ms. Allocated memory is still 125.8MB. Free memory was 93.3MB in the beginning and 92.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:39:24,271 INFO L158 Benchmark]: RCFGBuilder took 264.26ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 82.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:39:24,271 INFO L158 Benchmark]: BuchiAutomizer took 8411.87ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 82.4MB in the beginning and 111.7MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:39:24,272 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 151.0MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:39:24,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.37ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 57.0MB in the beginning and 94.9MB in the end (delta: -38.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.41ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 93.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.59ms. Allocated memory is still 125.8MB. Free memory was 93.3MB in the beginning and 92.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.26ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 82.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 8411.87ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 82.4MB in the beginning and 111.7MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 151.0MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#length-unknown[arr] + -4 * i + -1 * arr and consists of 5 locations. One deterministic module has 2-nested ranking function (if -2 * unknown-#memory_int-unknown[arr][i * 4 + arr + -4] + unknown-#length-unknown[arr] > 0 then 1 else 0), (if -2 * unknown-#memory_int-unknown[arr][i * 4 + arr + -4] + unknown-#length-unknown[arr] > 0 then -2 * unknown-#memory_int-unknown[arr][i * 4 + arr + -4] + unknown-#length-unknown[arr] else -2 * j + 2 * length) and consists of 5 locations. One deterministic module has 2-nested ranking function (if length + -2 * unknown-#memory_int-unknown[arr][arr] > 0 then 1 else 0), (if length + -2 * unknown-#memory_int-unknown[arr][arr] > 0 then length + -2 * unknown-#memory_int-unknown[arr][arr] else -2 * j + 2 * length) and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 7.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 37 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital122 mio100 ax100 hnf99 lsp94 ukn82 mio100 lsp67 div100 bol100 ite100 ukn100 eq171 hnf90 smp94 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 06:39:24,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 06:39:24,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f62c393-5458-4588-8d3f-66d89149e58f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE