./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/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_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/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 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:34:16,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:34:16,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:34:16,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:34:16,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:34:16,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:34:16,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:34:16,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:34:16,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:34:16,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:34:16,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:34:16,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:34:16,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:34:16,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:34:16,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:34:16,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:34:16,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:34:16,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:34:16,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:34:16,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:34:16,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:34:16,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:34:16,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:34:16,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:34:16,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:34:16,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:34:16,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:34:16,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:34:16,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:34:16,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:34:16,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:34:16,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:34:16,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:34:16,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:34:16,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:34:16,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:34:16,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:34:16,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:34:16,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:34:16,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:34:16,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:34:16,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:34:16,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:34:16,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:34:16,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:34:16,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:34:16,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:34:16,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:34:16,522 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:34:16,522 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:34:16,523 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:34:16,523 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:34:16,524 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:34:16,525 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:34:16,525 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:34:16,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:34:16,526 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:34:16,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:34:16,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:34:16,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:34:16,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:34:16,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:34:16,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:34:16,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:34:16,528 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:34:16,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:34:16,529 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:34:16,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:34:16,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:34:16,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:34:16,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:34:16,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:34:16,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:34:16,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:34:16,535 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:34:16,535 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_7bd62d81-1459-41cc-8183-4980d7c06b1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2021-11-20 07:34:16,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:34:16,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:34:16,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:34:16,884 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:34:16,885 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:34:16,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-11-20 07:34:16,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/data/c1979afa8/f784ea27816d45d3a6e1803025c489dc/FLAGfefcab4a5 [2021-11-20 07:34:17,765 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:34:17,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-11-20 07:34:17,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/data/c1979afa8/f784ea27816d45d3a6e1803025c489dc/FLAGfefcab4a5 [2021-11-20 07:34:17,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/data/c1979afa8/f784ea27816d45d3a6e1803025c489dc [2021-11-20 07:34:17,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:34:17,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:34:17,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:34:17,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:34:17,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:34:17,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:34:17" (1/1) ... [2021-11-20 07:34:17,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cab206d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:17, skipping insertion in model container [2021-11-20 07:34:17,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:34:17" (1/1) ... [2021-11-20 07:34:17,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:34:18,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:34:18,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-11-20 07:34:18,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:34:18,466 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:34:18,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-11-20 07:34:18,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:34:18,614 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:34:18,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18 WrapperNode [2021-11-20 07:34:18,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:34:18,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:34:18,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:34:18,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:34:18,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,715 INFO L137 Inliner]: procedures = 124, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2021-11-20 07:34:18,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:34:18,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:34:18,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:34:18,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:34:18,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:34:18,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:34:18,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:34:18,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:34:18,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (1/1) ... [2021-11-20 07:34:18,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:18,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:18,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:18,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:34:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:34:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:34:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:34:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:34:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:34:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:34:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:34:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:34:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:34:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:34:18,984 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:34:18,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:34:19,176 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:34:19,184 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:34:19,184 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 07:34:19,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:34:19 BoogieIcfgContainer [2021-11-20 07:34:19,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:34:19,188 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:34:19,188 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:34:19,193 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:34:19,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:34:19,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:34:17" (1/3) ... [2021-11-20 07:34:19,196 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b54559d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:34:19, skipping insertion in model container [2021-11-20 07:34:19,196 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:34:19,196 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:18" (2/3) ... [2021-11-20 07:34:19,197 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b54559d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:34:19, skipping insertion in model container [2021-11-20 07:34:19,197 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:34:19,197 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:34:19" (3/3) ... [2021-11-20 07:34:19,199 INFO L388 chiAutomizerObserver]: Analyzing ICFG simple-ext.i [2021-11-20 07:34:19,262 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:34:19,263 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:34:19,263 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:34:19,263 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:34:19,264 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:34:19,264 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:34:19,264 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:34:19,264 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:34:19,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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 07:34:19,312 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-11-20 07:34:19,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:34:19,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:34:19,336 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:34:19,336 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:34:19,337 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:34:19,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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 07:34:19,341 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-11-20 07:34:19,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:34:19,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:34:19,343 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:34:19,343 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:34:19,352 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 11#L533true assume main_~a~0#1.base == 0 && main_~a~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 3#L525true [2021-11-20 07:34:19,352 INFO L793 eck$LassoCheckResult]: Loop: 3#L525true assume true; 3#L525true [2021-11-20 07:34:19,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:19,360 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-20 07:34:19,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:19,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935339233] [2021-11-20 07:34:19,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:19,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:19,684 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 07:34:19,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:34:19,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935339233] [2021-11-20 07:34:19,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935339233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:34:19,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:34:19,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:34:19,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698963367] [2021-11-20 07:34:19,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:34:19,703 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:34:19,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:19,712 INFO L85 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2021-11-20 07:34:19,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:19,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450239627] [2021-11-20 07:34:19,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:19,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:19,736 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:19,768 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:19,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:34:19,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:34:19,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:34:19,844 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 07:34:19,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:34:19,889 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-11-20 07:34:19,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:34:19,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-11-20 07:34:19,906 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 07:34:19,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2021-11-20 07:34:19,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-20 07:34:19,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-20 07:34:19,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2021-11-20 07:34:19,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:34:19,915 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-20 07:34:19,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2021-11-20 07:34:19,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-20 07:34:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:34:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-11-20 07:34:19,952 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-20 07:34:19,952 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-20 07:34:19,953 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:34:19,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-11-20 07:34:19,957 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 07:34:19,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:34:19,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:34:19,958 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-20 07:34:19,958 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:34:19,959 INFO L791 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 51#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 56#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 57#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 49#L537-2 [2021-11-20 07:34:19,959 INFO L793 eck$LassoCheckResult]: Loop: 49#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 58#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 48#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 49#L537-2 [2021-11-20 07:34:19,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:19,961 INFO L85 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2021-11-20 07:34:19,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:19,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74177771] [2021-11-20 07:34:19,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:19,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:19,999 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:20,028 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:20,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:20,029 INFO L85 PathProgramCache]: Analyzing trace with hash 48852, now seen corresponding path program 1 times [2021-11-20 07:34:20,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:20,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031431289] [2021-11-20 07:34:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:20,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:20,065 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:20,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:20,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:20,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1807773776, now seen corresponding path program 1 times [2021-11-20 07:34:20,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:20,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541581877] [2021-11-20 07:34:20,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:20,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:20,127 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:20,163 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:21,245 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:34:21,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:34:21,246 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:34:21,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:34:21,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:34:21,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:21,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:34:21,247 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:34:21,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: simple-ext.i_Iteration2_Lasso [2021-11-20 07:34:21,248 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:34:21,248 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:34:21,275 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 07:34:21,281 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 07:34:21,286 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 07:34:21,289 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 07:34:21,293 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 07:34:21,297 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 07:34:21,302 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 07:34:21,306 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 07:34:21,309 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 07:34:21,314 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 07:34:21,317 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 07:34:21,321 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 07:34:21,325 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 07:34:21,328 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 07:34:21,332 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 07:34:21,336 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 07:34:21,339 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 07:34:21,342 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 07:34:21,748 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 07:34:21,752 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 07:34:21,756 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 07:34:21,759 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 07:34:21,763 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 07:34:22,320 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:34:22,326 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:34:22,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:34:22,341 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 07:34:22,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:22,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:22,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:22,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:22,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:34:22,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:34:22,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:22,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:22,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:22,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:22,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,525 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,531 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 07:34:22,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:22,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:22,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:22,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:34:22,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-20 07:34:22,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,590 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:34:22,592 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 07:34:22,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:22,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:22,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:22,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-20 07:34:22,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,652 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,658 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 07:34:22,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:22,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:22,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:22,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:34:22,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:22,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:34:22,718 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 07:34:22,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:22,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:22,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:22,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:34:22,771 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 07:34:22,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:22,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:22,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:22,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:22,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,824 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:34:22,826 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 07:34:22,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:22,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:22,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:22,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:22,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,866 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,872 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 07:34:22,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:34:22,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:22,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:22,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:22,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-20 07:34:22,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,918 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:34:22,920 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 07:34:22,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:22,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:22,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:22,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:22,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:22,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:22,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:22,958 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:22,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:34:22,960 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 07:34:22,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:22,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:22,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:22,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:22,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:22,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:23,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,052 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,065 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 07:34:23,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:23,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:23,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:23,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:34:23,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,144 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,151 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 07:34:23,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:23,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:23,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:34:23,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,225 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:34:23,227 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 07:34:23,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:23,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,238 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:34:23,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,239 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:34:23,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:23,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-11-20 07:34:23,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,280 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:34:23,287 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 07:34:23,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:23,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:23,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:23,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,336 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:34:23,340 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 07:34:23,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:23,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:23,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:23,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,377 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:34:23,396 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 07:34:23,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:23,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:23,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:23,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-20 07:34:23,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,459 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:34:23,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:23,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:23,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:23,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:34:23,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-11-20 07:34:23,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,524 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:34:23,528 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 07:34:23,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,537 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 07:34:23,537 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:34:23,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,556 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-11-20 07:34:23,556 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:34:23,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,619 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:34:23,621 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 07:34:23,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:23,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:23,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,709 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:34:23,710 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 07:34:23,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:23,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:23,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,778 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 07:34:23,780 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 07:34:23,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:23,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:23,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:23,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,835 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:34:23,836 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 07:34:23,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:23,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:23,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:23,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:23,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:23,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:23,931 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:23,937 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 07:34:23,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:23,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:23,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:23,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:23,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:23,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:23,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:34:23,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:24,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,020 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,023 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 07:34:24,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 07:34:24,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:24,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:24,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-20 07:34:24,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,073 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:34:24,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:34:24,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:24,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:24,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 07:34:24,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,138 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,141 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 07:34:24,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:34:24,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:24,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:24,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:24,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,181 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:34:24,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 07:34:24,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:24,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:24,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-20 07:34:24,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,234 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 07:34:24,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:34:24,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:24,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:24,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:24,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,330 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 07:34:24,332 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 07:34:24,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:24,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:24,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:24,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-20 07:34:24,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,382 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,383 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 07:34:24,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 07:34:24,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:24,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:24,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:24,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,426 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 07:34:24,428 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 07:34:24,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:24,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:24,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:24,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,468 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 07:34:24,471 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 07:34:24,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:34:24,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:34:24,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:34:24,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:34:24,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:24,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,546 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,549 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 07:34:24,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 07:34:24,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:34:24,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:34:24,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:34:24,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:34:24,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:34:24,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:34:24,581 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:34:24,603 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-20 07:34:24,603 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-20 07:34:24,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:34:24,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:24,611 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:24,645 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:34:24,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 07:34:24,668 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 07:34:24,668 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:34:24,669 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 59 Supporting invariants [] [2021-11-20 07:34:24,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:24,788 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-11-20 07:34:24,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:24,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:34:24,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:34:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:24,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:34:24,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:34:24,933 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 07:34:24,937 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 07:34:24,941 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7 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 07:34:25,001 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7. 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 19 states and 26 transitions. Complement of second has 7 states. [2021-11-20 07:34:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:34:25,004 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 07:34:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-11-20 07:34:25,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. [2021-11-20 07:34:25,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:34:25,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-20 07:34:25,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:34:25,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 6 letters. [2021-11-20 07:34:25,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:34:25,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2021-11-20 07:34:25,017 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-11-20 07:34:25,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 21 transitions. [2021-11-20 07:34:25,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-20 07:34:25,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 07:34:25,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-11-20 07:34:25,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 07:34:25,020 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-20 07:34:25,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-11-20 07:34:25,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-20 07:34:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:34:25,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-11-20 07:34:25,028 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-20 07:34:25,028 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-20 07:34:25,029 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 07:34:25,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-11-20 07:34:25,031 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-11-20 07:34:25,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:34:25,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:34:25,034 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:34:25,034 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:34:25,034 INFO L791 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 162#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 163#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 167#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 159#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 160#L549-2 [2021-11-20 07:34:25,035 INFO L793 eck$LassoCheckResult]: Loop: 160#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 168#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 169#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 160#L549-2 [2021-11-20 07:34:25,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,041 INFO L85 PathProgramCache]: Analyzing trace with hash 889599219, now seen corresponding path program 1 times [2021-11-20 07:34:25,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417552914] [2021-11-20 07:34:25,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,086 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:25,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,131 INFO L85 PathProgramCache]: Analyzing trace with hash 69737, now seen corresponding path program 1 times [2021-11-20 07:34:25,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25085823] [2021-11-20 07:34:25,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,149 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,158 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:25,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2102156855, now seen corresponding path program 1 times [2021-11-20 07:34:25,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059851906] [2021-11-20 07:34:25,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:25,245 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 07:34:25,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:34:25,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059851906] [2021-11-20 07:34:25,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059851906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:34:25,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:34:25,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:34:25,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199115490] [2021-11-20 07:34:25,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:34:25,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:34:25,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:34:25,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:34:25,365 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:34:25,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:34:25,476 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2021-11-20 07:34:25,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:34:25,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2021-11-20 07:34:25,488 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6 [2021-11-20 07:34:25,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 35 transitions. [2021-11-20 07:34:25,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-11-20 07:34:25,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-11-20 07:34:25,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2021-11-20 07:34:25,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 07:34:25,500 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-11-20 07:34:25,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2021-11-20 07:34:25,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 18. [2021-11-20 07:34:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:34:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-11-20 07:34:25,508 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-20 07:34:25,508 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-20 07:34:25,508 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 07:34:25,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-11-20 07:34:25,510 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-11-20 07:34:25,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:34:25,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:34:25,511 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:34:25,511 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:34:25,512 INFO L791 eck$LassoCheckResult]: Stem: 216#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 217#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 222#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 223#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 227#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 224#L540 assume main_~t~0#1.base == 0 && main_~t~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 225#L525-1 [2021-11-20 07:34:25,512 INFO L793 eck$LassoCheckResult]: Loop: 225#L525-1 assume true; 225#L525-1 [2021-11-20 07:34:25,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,513 INFO L85 PathProgramCache]: Analyzing trace with hash 889599272, now seen corresponding path program 1 times [2021-11-20 07:34:25,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614447738] [2021-11-20 07:34:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:34:25,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:34:25,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614447738] [2021-11-20 07:34:25,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614447738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:34:25,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:34:25,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:34:25,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865014642] [2021-11-20 07:34:25,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:34:25,605 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:34:25,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,606 INFO L85 PathProgramCache]: Analyzing trace with hash 102, now seen corresponding path program 1 times [2021-11-20 07:34:25,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079472328] [2021-11-20 07:34:25,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,611 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,616 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:25,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:34:25,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:34:25,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:34:25,623 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 07:34:25,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:34:25,639 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2021-11-20 07:34:25,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:34:25,641 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-11-20 07:34:25,644 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-11-20 07:34:25,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 21 transitions. [2021-11-20 07:34:25,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 07:34:25,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 07:34:25,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-11-20 07:34:25,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:34:25,646 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-11-20 07:34:25,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-11-20 07:34:25,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-11-20 07:34:25,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 07:34:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-11-20 07:34:25,653 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-20 07:34:25,653 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-20 07:34:25,653 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 07:34:25,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-11-20 07:34:25,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:34:25,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:34:25,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:34:25,656 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:34:25,656 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:34:25,657 INFO L791 eck$LassoCheckResult]: Stem: 259#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 260#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 265#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 266#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 267#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 262#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 263#L549-2 assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); 264#L549-3 main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; 261#L557-2 [2021-11-20 07:34:25,657 INFO L793 eck$LassoCheckResult]: Loop: 261#L557-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~tmp~0#1.base, main_~tmp~0#1.offset; 261#L557-2 [2021-11-20 07:34:25,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,657 INFO L85 PathProgramCache]: Analyzing trace with hash 206358786, now seen corresponding path program 1 times [2021-11-20 07:34:25,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408086685] [2021-11-20 07:34:25,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:25,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 07:34:25,732 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 07:34:25,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:34:25,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408086685] [2021-11-20 07:34:25,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408086685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:34:25,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:34:25,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:34:25,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561294309] [2021-11-20 07:34:25,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:34:25,733 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:34:25,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,734 INFO L85 PathProgramCache]: Analyzing trace with hash 93, now seen corresponding path program 1 times [2021-11-20 07:34:25,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869826939] [2021-11-20 07:34:25,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,739 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,744 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:25,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:34:25,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:34:25,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:34:25,832 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 07:34:25,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:34:25,875 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2021-11-20 07:34:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:34:25,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2021-11-20 07:34:25,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:34:25,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2021-11-20 07:34:25,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 07:34:25,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 07:34:25,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2021-11-20 07:34:25,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:34:25,879 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-20 07:34:25,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2021-11-20 07:34:25,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-11-20 07:34:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:34:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-11-20 07:34:25,882 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-11-20 07:34:25,882 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-11-20 07:34:25,882 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 07:34:25,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2021-11-20 07:34:25,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:34:25,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:34:25,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:34:25,883 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:34:25,884 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:34:25,884 INFO L791 eck$LassoCheckResult]: Stem: 306#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 307#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 312#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 313#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 315#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 314#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 304#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 305#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 309#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 310#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 316#L550 [2021-11-20 07:34:25,884 INFO L793 eck$LassoCheckResult]: Loop: 316#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 317#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 318#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 316#L550 [2021-11-20 07:34:25,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,885 INFO L85 PathProgramCache]: Analyzing trace with hash 793653610, now seen corresponding path program 1 times [2021-11-20 07:34:25,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253161374] [2021-11-20 07:34:25,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,907 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:25,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,935 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 2 times [2021-11-20 07:34:25,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934325527] [2021-11-20 07:34:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,943 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:25,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:25,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:25,950 INFO L85 PathProgramCache]: Analyzing trace with hash -60222244, now seen corresponding path program 1 times [2021-11-20 07:34:25,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:25,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105718057] [2021-11-20 07:34:25,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:25,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:34:26,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:34:26,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105718057] [2021-11-20 07:34:26,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105718057] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:34:26,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481253305] [2021-11-20 07:34:26,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:26,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:34:26,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:26,068 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:34:26,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-11-20 07:34:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:26,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-20 07:34:26,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:34:26,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 07:34:26,251 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:34:26,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-20 07:34:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:26,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-20 07:34:26,449 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-11-20 07:34:26,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 22 [2021-11-20 07:34:26,507 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-20 07:34:26,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2021-11-20 07:34:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:34:26,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:34:28,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6325 treesize of output 6261 [2021-11-20 07:34:28,652 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-20 07:34:28,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 6261 treesize of output 6260 [2021-11-20 07:34:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:34:29,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481253305] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:34:29,814 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:34:29,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 18 [2021-11-20 07:34:29,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311598439] [2021-11-20 07:34:29,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:34:29,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:34:29,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 07:34:29,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=251, Unknown=1, NotChecked=0, Total=306 [2021-11-20 07:34:29,945 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 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 07:34:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:34:30,170 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2021-11-20 07:34:30,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:34:30,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 27 transitions. [2021-11-20 07:34:30,172 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:34:30,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 22 states and 24 transitions. [2021-11-20 07:34:30,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-20 07:34:30,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-20 07:34:30,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2021-11-20 07:34:30,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:34:30,174 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-11-20 07:34:30,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2021-11-20 07:34:30,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2021-11-20 07:34:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:34:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-11-20 07:34:30,176 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-11-20 07:34:30,176 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-11-20 07:34:30,177 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 07:34:30,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2021-11-20 07:34:30,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:34:30,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:34:30,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:34:30,178 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:34:30,178 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:34:30,178 INFO L791 eck$LassoCheckResult]: Stem: 447#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 448#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 453#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 454#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 455#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 458#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 445#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 446#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 456#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 457#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 462#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 450#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 451#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 459#L550 [2021-11-20 07:34:30,179 INFO L793 eck$LassoCheckResult]: Loop: 459#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 460#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 461#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 459#L550 [2021-11-20 07:34:30,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:30,179 INFO L85 PathProgramCache]: Analyzing trace with hash -8921739, now seen corresponding path program 2 times [2021-11-20 07:34:30,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:30,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802764287] [2021-11-20 07:34:30,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:30,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:30,209 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:30,243 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:30,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:30,244 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 3 times [2021-11-20 07:34:30,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:30,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844710454] [2021-11-20 07:34:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:30,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:30,250 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:34:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:34:30,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:34:30,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:30,257 INFO L85 PathProgramCache]: Analyzing trace with hash 500492529, now seen corresponding path program 2 times [2021-11-20 07:34:30,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:30,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201727253] [2021-11-20 07:34:30,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:30,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:34:30,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:34:30,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201727253] [2021-11-20 07:34:30,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201727253] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:34:30,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121461841] [2021-11-20 07:34:30,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:34:30,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:34:30,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:30,436 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:34:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-11-20 07:34:30,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:34:30,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:34:30,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-20 07:34:30,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:34:30,616 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:34:30,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-20 07:34:30,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 07:34:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 07:34:30,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-20 07:34:30,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-20 07:34:30,787 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:34:30,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-20 07:34:30,860 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-20 07:34:30,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2021-11-20 07:34:30,937 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-11-20 07:34:30,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 22 [2021-11-20 07:34:30,983 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-20 07:34:30,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2021-11-20 07:34:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:34:30,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:34:34,744 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-20 07:34:34,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 105 [2021-11-20 07:35:04,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50064 treesize of output 49936 [2021-11-20 07:35:05,123 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-20 07:35:05,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49936 treesize of output 49935 [2021-11-20 07:35:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:17,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121461841] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:35:17,410 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:35:17,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 24 [2021-11-20 07:35:17,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145255320] [2021-11-20 07:35:17,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:35:17,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:17,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-20 07:35:17,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=463, Unknown=6, NotChecked=0, Total=552 [2021-11-20 07:35:17,548 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 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 07:35:17,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:17,752 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2021-11-20 07:35:17,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:35:17,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2021-11-20 07:35:17,753 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:35:17,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-11-20 07:35:17,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 07:35:17,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 07:35:17,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 07:35:17,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:35:17,754 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:35:17,754 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:35:17,755 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:35:17,755 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-20 07:35:17,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:35:17,755 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:35:17,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 07:35:17,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:35:17 BoogieIcfgContainer [2021-11-20 07:35:17,764 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:35:17,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:35:17,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:35:17,766 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:35:17,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:34:19" (3/4) ... [2021-11-20 07:35:17,772 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:35:17,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:35:17,773 INFO L158 Benchmark]: Toolchain (without parser) took 59809.12ms. Allocated memory was 117.4MB in the beginning and 348.1MB in the end (delta: 230.7MB). Free memory was 84.9MB in the beginning and 193.5MB in the end (delta: -108.6MB). Peak memory consumption was 121.2MB. Max. memory is 16.1GB. [2021-11-20 07:35:17,773 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:35:17,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.84ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 82.0MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:35:17,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.06ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:35:17,774 INFO L158 Benchmark]: Boogie Preprocessor took 61.88ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:35:17,775 INFO L158 Benchmark]: RCFGBuilder took 408.66ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 66.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 07:35:17,775 INFO L158 Benchmark]: BuchiAutomizer took 58576.48ms. Allocated memory was 117.4MB in the beginning and 348.1MB in the end (delta: 230.7MB). Free memory was 66.8MB in the beginning and 194.5MB in the end (delta: -127.6MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. [2021-11-20 07:35:17,776 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 348.1MB. Free memory was 194.5MB in the beginning and 193.5MB in the end (delta: 993.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:35:17,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.84ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 82.0MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.06ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.88ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.66ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 66.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 58576.48ms. Allocated memory was 117.4MB in the beginning and 348.1MB in the end (delta: 230.7MB). Free memory was 66.8MB in the beginning and 194.5MB in the end (delta: -127.6MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 348.1MB. Free memory was 194.5MB in the beginning and 193.5MB in the end (delta: 993.3kB). 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 7 terminating modules (6 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 59 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 24 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.5s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 57.3s. Construction of modules took 0.3s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 62 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 68 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN2 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax108 hnf100 lsp87 ukn59 mio100 lsp20 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf164 smp90 tf100 neg93 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 07:35:17,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-11-20 07:35:18,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2021-11-20 07:35:18,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd62d81-1459-41cc-8183-4980d7c06b1a/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