./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:16:09,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:16:09,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:16:09,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:16:09,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:16:09,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:16:09,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:16:09,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:16:09,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:16:09,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:16:09,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:16:09,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:16:09,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:16:09,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:16:09,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:16:09,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:16:09,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:16:09,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:16:09,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:16:09,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:16:09,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:16:09,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:16:09,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:16:09,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:16:09,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:16:09,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:16:09,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:16:09,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:16:09,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:16:09,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:16:09,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:16:09,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:16:09,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:16:09,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:16:09,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:16:09,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:16:09,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:16:09,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:16:09,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:16:09,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:16:09,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:16:09,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 14:16:09,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:16:09,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:16:09,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:16:09,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:16:09,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:16:09,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:16:09,566 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:16:09,566 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:16:09,566 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:16:09,566 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:16:09,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:16:09,568 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:16:09,568 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:16:09,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:16:09,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:16:09,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:16:09,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:16:09,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:16:09,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:16:09,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:16:09,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:16:09,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:16:09,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:16:09,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:16:09,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:16:09,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:16:09,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:16:09,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:16:09,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:16:09,574 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:16:09,574 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_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd [2021-11-23 14:16:09,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:16:09,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:16:09,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:16:09,834 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:16:09,839 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:16:09,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2021-11-23 14:16:09,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/data/b6b9ccb41/cae1fd81206046d2a484f683b0229129/FLAG102935eba [2021-11-23 14:16:10,454 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:16:10,454 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2021-11-23 14:16:10,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/data/b6b9ccb41/cae1fd81206046d2a484f683b0229129/FLAG102935eba [2021-11-23 14:16:10,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/data/b6b9ccb41/cae1fd81206046d2a484f683b0229129 [2021-11-23 14:16:10,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:16:10,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:16:10,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:16:10,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:16:10,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:16:10,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:10" (1/1) ... [2021-11-23 14:16:10,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51247d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:10, skipping insertion in model container [2021-11-23 14:16:10,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:10" (1/1) ... [2021-11-23 14:16:10,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:16:10,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:16:11,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:16:11,048 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:16:11,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:16:11,075 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:16:11,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11 WrapperNode [2021-11-23 14:16:11,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:16:11,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:16:11,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:16:11,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:16:11,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,110 INFO L137 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-23 14:16:11,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:16:11,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:16:11,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:16:11,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:16:11,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:16:11,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:16:11,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:16:11,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:16:11,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (1/1) ... [2021-11-23 14:16:11,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:11,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:11,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:11,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:16:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:16:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-11-23 14:16:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-11-23 14:16:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 14:16:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:16:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:16:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:16:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:16:11,302 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:16:11,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:16:11,476 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:16:11,483 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:16:11,483 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 14:16:11,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:11 BoogieIcfgContainer [2021-11-23 14:16:11,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:16:11,487 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:16:11,487 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:16:11,491 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:16:11,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:16:11,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:16:10" (1/3) ... [2021-11-23 14:16:11,494 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b942c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:16:11, skipping insertion in model container [2021-11-23 14:16:11,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:16:11,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:11" (2/3) ... [2021-11-23 14:16:11,495 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b942c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:16:11, skipping insertion in model container [2021-11-23 14:16:11,495 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:16:11,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:11" (3/3) ... [2021-11-23 14:16:11,497 INFO L388 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex3.i [2021-11-23 14:16:11,552 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:16:11,552 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:16:11,553 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:16:11,553 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:16:11,553 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:16:11,553 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:16:11,553 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:16:11,553 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:16:11,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:11,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-23 14:16:11,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:16:11,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:16:11,659 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:16:11,660 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:16:11,660 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:16:11,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:11,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-23 14:16:11,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:16:11,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:16:11,665 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:16:11,665 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:16:11,689 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 10#L20-2true [2021-11-23 14:16:11,690 INFO L793 eck$LassoCheckResult]: Loop: 10#L20-2true assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 12#L23true call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 11#recENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 9#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 14#recFINALtrue assume true; 13#recEXITtrue >#30#return; 7#L23-1true main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 10#L20-2true [2021-11-23 14:16:11,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:11,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2021-11-23 14:16:11,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:11,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124568329] [2021-11-23 14:16:11,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:11,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:11,847 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:11,888 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:11,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:11,894 INFO L85 PathProgramCache]: Analyzing trace with hash -2039113776, now seen corresponding path program 1 times [2021-11-23 14:16:11,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:11,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453363249] [2021-11-23 14:16:11,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:11,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:11,966 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:12,024 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:12,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:12,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1009969970, now seen corresponding path program 1 times [2021-11-23 14:16:12,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:12,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337973342] [2021-11-23 14:16:12,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:12,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:12,079 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:12,128 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:12,965 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:16:12,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:16:12,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:16:12,980 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:16:12,980 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:16:12,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:12,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:16:12,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:16:12,981 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration1_Lasso [2021-11-23 14:16:12,981 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:16:12,981 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:16:13,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:13,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:13,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:13,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:13,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:13,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:13,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:13,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:13,312 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:16:13,317 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:16:13,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:13,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:13,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:13,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 14:16:13,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:13,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:13,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:13,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:13,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:13,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:13,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:13,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:13,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:13,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:13,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:13,423 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:13,430 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 [2021-11-23 14:16:13,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:13,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:13,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:13,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:13,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:13,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:13,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:13,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 14:16:13,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:13,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:13,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:13,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:13,495 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:13,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 14:16:13,498 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 [2021-11-23 14:16:13,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:13,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:13,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:13,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:13,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:13,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:13,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:13,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:13,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:13,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:13,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:13,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:13,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 14:16:13,557 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 [2021-11-23 14:16:13,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:13,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:13,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:13,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:13,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:13,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:13,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:13,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:13,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-23 14:16:13,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:13,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:13,597 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:13,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 14:16:13,599 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 [2021-11-23 14:16:13,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:13,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:13,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:13,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:13,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:13,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:13,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:13,639 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:16:13,647 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-23 14:16:13,647 INFO L444 ModelExtractionUtils]: 3 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-23 14:16:13,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:13,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:13,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:13,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 14:16:13,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:16:13,659 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 14:16:13,659 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:16:13,660 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-23 14:16:13,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:13,688 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 14:16:13,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:13,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:16:13,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:13,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 14:16:13,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:13,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-23 14:16:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:16:14,034 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-11-23 14:16:14,036 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 14:16:14,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 63 states and 77 transitions. Complement of second has 22 states. [2021-11-23 14:16:14,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 14:16:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 22 transitions. [2021-11-23 14:16:14,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 7 letters. [2021-11-23 14:16:14,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:14,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 9 letters. Loop has 7 letters. [2021-11-23 14:16:14,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:14,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 14 letters. [2021-11-23 14:16:14,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:14,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 77 transitions. [2021-11-23 14:16:14,206 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 14:16:14,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 35 states and 42 transitions. [2021-11-23 14:16:14,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-23 14:16:14,219 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-11-23 14:16:14,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2021-11-23 14:16:14,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:16:14,220 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-11-23 14:16:14,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2021-11-23 14:16:14,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2021-11-23 14:16:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-23 14:16:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2021-11-23 14:16:14,256 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-11-23 14:16:14,256 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-11-23 14:16:14,256 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 14:16:14,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2021-11-23 14:16:14,260 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 14:16:14,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:16:14,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:16:14,261 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:16:14,261 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:16:14,262 INFO L791 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 155#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 179#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 157#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 172#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 156#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 158#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 168#recENTRY [2021-11-23 14:16:14,262 INFO L793 eck$LassoCheckResult]: Loop: 168#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 170#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 169#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 168#recENTRY [2021-11-23 14:16:14,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:14,264 INFO L85 PathProgramCache]: Analyzing trace with hash 557607690, now seen corresponding path program 1 times [2021-11-23 14:16:14,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:14,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77291349] [2021-11-23 14:16:14,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:14,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:14,296 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:14,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:14,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:14,343 INFO L85 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2021-11-23 14:16:14,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:14,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971059270] [2021-11-23 14:16:14,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:14,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:14,408 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:14,431 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:14,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1242807987, now seen corresponding path program 2 times [2021-11-23 14:16:14,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:14,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793551784] [2021-11-23 14:16:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:14,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:14,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:14,462 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:14,485 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:15,610 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:16:15,610 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:16:15,610 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:16:15,610 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:16:15,611 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:16:15,611 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:15,611 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:16:15,611 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:16:15,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration2_Lasso [2021-11-23 14:16:15,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:16:15,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:16:15,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:15,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:16,047 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:16:16,048 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:16:16,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,057 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,060 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 [2021-11-23 14:16:16,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 14:16:16,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,143 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 14:16:16,151 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 [2021-11-23 14:16:16,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-23 14:16:16,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,214 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 14:16:16,218 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 [2021-11-23 14:16:16,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:16,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:16,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,299 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,304 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 [2021-11-23 14:16:16,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 14:16:16,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,374 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,380 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 [2021-11-23 14:16:16,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 14:16:16,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,457 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,467 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 [2021-11-23 14:16:16,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 14:16:16,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,533 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 14:16:16,538 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 [2021-11-23 14:16:16,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,580 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 14:16:16,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:16,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,654 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 14:16:16,656 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 [2021-11-23 14:16:16,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:16,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:16,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-11-23 14:16:16,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,703 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 14:16:16,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:16,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,771 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 14:16:16,772 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 [2021-11-23 14:16:16,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,808 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 14:16:16,811 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 [2021-11-23 14:16:16,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-11-23 14:16:16,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,862 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 14:16:16,865 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 [2021-11-23 14:16:16,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,939 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 14:16:16,944 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 [2021-11-23 14:16:16,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:16,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:16,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:16,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:16,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:16,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:16,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:16,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:16,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:16,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:16,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:16,992 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:16,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 14:16:16,993 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 [2021-11-23 14:16:17,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:17,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:17,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:17,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:17,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:17,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:17,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:17,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:17,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-23 14:16:17,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:17,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:17,051 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:17,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 14:16:17,052 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 [2021-11-23 14:16:17,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:17,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:17,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:17,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:17,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:17,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:17,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:17,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:17,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-23 14:16:17,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:17,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:17,096 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:17,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 14:16:17,097 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 [2021-11-23 14:16:17,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:17,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:17,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:17,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:17,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:17,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:17,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:17,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:17,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-23 14:16:17,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:17,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:17,135 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:17,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 14:16:17,138 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 [2021-11-23 14:16:17,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:17,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:17,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:17,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:17,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:17,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:17,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:17,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:17,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-23 14:16:17,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:17,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:17,173 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:17,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 14:16:17,175 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 [2021-11-23 14:16:17,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:17,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:17,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:17,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:17,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:17,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:17,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:17,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:17,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:17,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:17,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:17,253 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:17,255 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 [2021-11-23 14:16:17,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:17,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:17,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:17,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:17,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:17,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:17,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:17,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 14:16:17,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:17,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-23 14:16:17,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:17,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:17,297 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:17,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-23 14:16:17,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:17,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:17,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:17,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:17,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:17,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:17,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:17,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:17,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:17,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:17,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:17,383 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:17,392 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 [2021-11-23 14:16:17,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:17,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:17,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:17,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:17,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:17,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:17,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-23 14:16:17,428 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:16:17,460 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-11-23 14:16:17,460 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-23 14:16:17,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:17,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:17,463 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:17,465 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:16:17,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-23 14:16:17,493 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-23 14:16:17,493 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:16:17,493 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) rec_#in~p.base) rec_#in~p.offset)_1) = 2*v_rep(select (select old(#memory_int) rec_#in~p.base) rec_#in~p.offset)_1 + 1 Supporting invariants [-1*v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_1 + 1*v_rep(select (select old(#memory_int) rec_#in~p.base) rec_#in~p.offset)_1 >= 0] [2021-11-23 14:16:17,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:17,540 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-23 14:16:17,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:17,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:16:17,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:17,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 14:16:17,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:17,660 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 23 treesize of output 15 [2021-11-23 14:16:17,703 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 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 14:16:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:16:17,726 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 14:16:17,727 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:16:17,850 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 56 transitions. Complement of second has 17 states. [2021-11-23 14:16:17,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:16:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-11-23 14:16:17,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-23 14:16:17,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:17,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2021-11-23 14:16:17,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:17,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 6 letters. [2021-11-23 14:16:17,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:17,884 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2021-11-23 14:16:17,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-23 14:16:17,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 41 states and 50 transitions. [2021-11-23 14:16:17,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-23 14:16:17,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-11-23 14:16:17,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 50 transitions. [2021-11-23 14:16:17,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:16:17,896 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 50 transitions. [2021-11-23 14:16:17,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 50 transitions. [2021-11-23 14:16:17,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-11-23 14:16:17,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 5 states have call predecessors, (6), 6 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-23 14:16:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2021-11-23 14:16:17,912 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-11-23 14:16:17,913 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-11-23 14:16:17,913 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 14:16:17,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2021-11-23 14:16:17,914 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-23 14:16:17,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:16:17,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:16:17,917 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:16:17,917 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:16:17,918 INFO L791 eck$LassoCheckResult]: Stem: 314#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 315#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 337#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 325#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 331#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 344#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 317#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 328#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 316#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 318#recFINAL assume true; 338#recEXIT >#28#return; 350#L15-1 #res := #t~ret5;havoc #t~ret5; 349#recFINAL assume true; 348#recEXIT >#30#return; 336#L23-1 [2021-11-23 14:16:17,918 INFO L793 eck$LassoCheckResult]: Loop: 336#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 321#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 322#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 345#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 346#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 347#recFINAL assume true; 341#recEXIT >#30#return; 336#L23-1 [2021-11-23 14:16:17,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:17,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1969157627, now seen corresponding path program 1 times [2021-11-23 14:16:17,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:17,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943375356] [2021-11-23 14:16:17,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:17,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:17,946 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:17,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:17,983 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:17,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:17,987 INFO L85 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 2 times [2021-11-23 14:16:17,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:17,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252480232] [2021-11-23 14:16:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:17,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:18,007 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:18,029 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:18,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:18,031 INFO L85 PathProgramCache]: Analyzing trace with hash 931270558, now seen corresponding path program 1 times [2021-11-23 14:16:18,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:18,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037241332] [2021-11-23 14:16:18,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:18,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:18,057 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:18,105 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:19,240 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:16:19,241 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:16:19,241 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:16:19,241 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:16:19,241 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:16:19,241 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,242 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:16:19,242 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:16:19,242 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration3_Lasso [2021-11-23 14:16:19,242 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:16:19,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:16:19,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:19,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:19,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:19,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:19,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:19,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:19,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:19,564 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:16:19,565 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:16:19,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:19,570 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:19,573 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 [2021-11-23 14:16:19,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:19,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:19,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:19,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:19,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:19,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:19,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-23 14:16:19,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:19,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:19,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:19,628 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:19,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:19,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:19,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:19,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:19,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:19,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:19,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:19,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:19,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-23 14:16:19,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:19,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-23 14:16:19,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:19,689 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:19,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-23 14:16:19,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:19,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:19,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:19,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:19,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:19,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:19,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:19,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:19,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:19,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:19,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:19,722 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:19,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-23 14:16:19,723 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 [2021-11-23 14:16:19,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:19,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:19,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:19,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:19,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:19,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:19,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:19,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:19,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:19,787 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:19,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-23 14:16:19,788 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 [2021-11-23 14:16:19,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:19,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:19,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:19,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:19,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:19,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:19,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:19,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:19,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:19,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:19,820 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:19,824 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 [2021-11-23 14:16:19,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-23 14:16:19,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:19,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:19,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:19,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:19,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:19,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:19,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:19,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:19,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:19,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:19,856 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:19,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-23 14:16:19,858 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 [2021-11-23 14:16:19,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:19,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:19,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:19,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:19,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:19,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:19,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:19,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-23 14:16:19,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:19,910 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:19,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-23 14:16:19,912 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 [2021-11-23 14:16:19,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:19,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:19,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:19,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:19,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:19,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:19,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:19,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-23 14:16:19,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:19,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:19,967 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:19,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-23 14:16:19,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:19,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:19,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:19,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:19,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:19,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:19,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:19,999 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:16:20,016 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-23 14:16:20,016 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-23 14:16:20,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:20,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:20,027 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:20,048 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:16:20,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-23 14:16:20,079 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 14:16:20,080 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:16:20,080 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~ret9#1) = 1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_#t~ret9#1 Supporting invariants [] [2021-11-23 14:16:20,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:20,104 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-23 14:16:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:20,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 14:16:20,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:20,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 14:16:20,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:20,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-23 14:16:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:16:20,444 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2021-11-23 14:16:20,445 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11 Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 14:16:20,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Result 130 states and 152 transitions. Complement of second has 21 states. [2021-11-23 14:16:20,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:20,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 14:16:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2021-11-23 14:16:20,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 14 letters. Loop has 7 letters. [2021-11-23 14:16:20,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:20,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2021-11-23 14:16:20,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:20,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 14 letters. Loop has 14 letters. [2021-11-23 14:16:20,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:20,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 152 transitions. [2021-11-23 14:16:20,595 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 14:16:20,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 90 states and 105 transitions. [2021-11-23 14:16:20,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2021-11-23 14:16:20,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2021-11-23 14:16:20,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 105 transitions. [2021-11-23 14:16:20,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:16:20,600 INFO L681 BuchiCegarLoop]: Abstraction has 90 states and 105 transitions. [2021-11-23 14:16:20,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 105 transitions. [2021-11-23 14:16:20,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 82. [2021-11-23 14:16:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 59 states have internal predecessors, (66), 13 states have call successors, (13), 11 states have call predecessors, (13), 13 states have return successors, (17), 11 states have call predecessors, (17), 13 states have call successors, (17) [2021-11-23 14:16:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2021-11-23 14:16:20,612 INFO L704 BuchiCegarLoop]: Abstraction has 82 states and 96 transitions. [2021-11-23 14:16:20,612 INFO L587 BuchiCegarLoop]: Abstraction has 82 states and 96 transitions. [2021-11-23 14:16:20,613 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-23 14:16:20,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 96 transitions. [2021-11-23 14:16:20,615 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 14:16:20,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:16:20,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:16:20,617 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:16:20,617 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:16:20,617 INFO L791 eck$LassoCheckResult]: Stem: 598#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 599#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 629#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 639#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 640#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 645#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 636#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 644#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 652#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 654#recFINAL assume true; 643#recEXIT >#28#return; 642#L15-1 #res := #t~ret5;havoc #t~ret5; 641#recFINAL assume true; 638#recEXIT >#30#return; 637#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 627#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 617#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 618#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 673#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 613#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 612#recENTRY [2021-11-23 14:16:20,617 INFO L793 eck$LassoCheckResult]: Loop: 612#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 615#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 614#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 612#recENTRY [2021-11-23 14:16:20,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:20,618 INFO L85 PathProgramCache]: Analyzing trace with hash -801242957, now seen corresponding path program 2 times [2021-11-23 14:16:20,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:20,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948912014] [2021-11-23 14:16:20,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:20,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:20,637 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:20,660 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:20,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:20,661 INFO L85 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 2 times [2021-11-23 14:16:20,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:20,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743290553] [2021-11-23 14:16:20,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:20,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:20,667 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:20,672 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:20,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:20,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1599299332, now seen corresponding path program 3 times [2021-11-23 14:16:20,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:20,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807718645] [2021-11-23 14:16:20,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:20,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:20,691 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:20,716 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:21,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:22,789 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:16:22,789 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:16:22,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:16:22,789 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:16:22,789 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:16:22,789 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:22,789 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:16:22,789 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:16:22,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration4_Lasso [2021-11-23 14:16:22,790 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:16:22,790 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:16:22,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:22,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:23,274 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:16:23,274 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:16:23,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,281 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-23 14:16:23,282 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 [2021-11-23 14:16:23,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-23 14:16:23,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,328 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-23 14:16:23,330 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 [2021-11-23 14:16:23,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-23 14:16:23,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,365 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-23 14:16:23,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:23,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:23,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:23,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:23,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,406 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-23 14:16:23,408 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 [2021-11-23 14:16:23,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:23,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,457 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-23 14:16:23,459 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 [2021-11-23 14:16:23,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:23,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,491 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-23 14:16:23,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:23,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-23 14:16:23,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,527 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,529 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 [2021-11-23 14:16:23,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-23 14:16:23,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:23,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,563 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-23 14:16:23,564 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 [2021-11-23 14:16:23,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-23 14:16:23,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,596 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-23 14:16:23,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:23,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-23 14:16:23,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,630 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-23 14:16:23,641 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 [2021-11-23 14:16:23,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:23,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,682 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-23 14:16:23,684 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 [2021-11-23 14:16:23,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-23 14:16:23,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,719 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-23 14:16:23,721 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 [2021-11-23 14:16:23,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-23 14:16:23,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,754 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-23 14:16:23,755 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 [2021-11-23 14:16:23,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-23 14:16:23,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,790 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-23 14:16:23,791 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 [2021-11-23 14:16:23,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-23 14:16:23,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,827 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-23 14:16:23,829 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 [2021-11-23 14:16:23,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:23,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:23,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:23,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:23,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,865 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-23 14:16:23,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:23,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:23,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:23,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:23,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,942 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-23 14:16:23,951 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 [2021-11-23 14:16:23,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:23,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:23,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:23,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:23,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:23,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:23,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:23,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:23,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:23,991 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:23,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-23 14:16:23,993 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 [2021-11-23 14:16:24,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:24,003 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-11-23 14:16:24,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:24,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:24,007 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 14:16:24,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:24,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:24,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:24,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:24,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:24,055 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:24,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-23 14:16:24,066 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 [2021-11-23 14:16:24,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:24,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:24,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:24,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:24,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:24,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:24,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:24,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:24,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:24,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:24,096 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:24,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-23 14:16:24,097 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 [2021-11-23 14:16:24,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:24,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:24,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:24,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:24,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:24,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:24,131 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:16:24,144 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-23 14:16:24,144 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-11-23 14:16:24,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:24,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:24,147 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:24,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-23 14:16:24,151 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:16:24,169 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 14:16:24,169 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:16:24,169 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_2 + 1 Supporting invariants [] [2021-11-23 14:16:24,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:24,203 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-23 14:16:24,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:24,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 14:16:24,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:24,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 14:16:24,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:24,460 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 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 14:16:24,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:16:24,478 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-23 14:16:24,479 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:24,610 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 106 states and 124 transitions. Complement of second has 17 states. [2021-11-23 14:16:24,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2021-11-23 14:16:24,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 20 letters. Loop has 3 letters. [2021-11-23 14:16:24,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:24,614 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:16:24,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:24,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 14:16:24,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:24,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:24,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 14:16:24,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:24,895 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 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 14:16:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:16:24,908 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-23 14:16:24,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:25,013 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 106 states and 124 transitions. Complement of second has 17 states. [2021-11-23 14:16:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:25,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2021-11-23 14:16:25,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 20 letters. Loop has 3 letters. [2021-11-23 14:16:25,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:25,019 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:16:25,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:25,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 14:16:25,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:25,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 14:16:25,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:25,357 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 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 14:16:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:16:25,384 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-23 14:16:25,384 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:25,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 154 states and 179 transitions. Complement of second has 19 states. [2021-11-23 14:16:25,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:25,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2021-11-23 14:16:25,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 3 letters. [2021-11-23 14:16:25,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:25,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 23 letters. Loop has 3 letters. [2021-11-23 14:16:25,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:25,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 6 letters. [2021-11-23 14:16:25,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:25,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 179 transitions. [2021-11-23 14:16:25,513 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:16:25,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 110 states and 135 transitions. [2021-11-23 14:16:25,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2021-11-23 14:16:25,526 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76 [2021-11-23 14:16:25,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 135 transitions. [2021-11-23 14:16:25,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:16:25,527 INFO L681 BuchiCegarLoop]: Abstraction has 110 states and 135 transitions. [2021-11-23 14:16:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 135 transitions. [2021-11-23 14:16:25,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 74. [2021-11-23 14:16:25,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.196078431372549) internal successors, (61), 54 states have internal predecessors, (61), 10 states have call successors, (10), 10 states have call predecessors, (10), 13 states have return successors, (16), 9 states have call predecessors, (16), 10 states have call successors, (16) [2021-11-23 14:16:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2021-11-23 14:16:25,547 INFO L704 BuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2021-11-23 14:16:25,548 INFO L587 BuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2021-11-23 14:16:25,548 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-23 14:16:25,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 87 transitions. [2021-11-23 14:16:25,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:16:25,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:16:25,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:16:25,556 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:16:25,557 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:16:25,557 INFO L791 eck$LassoCheckResult]: Stem: 1352#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1353#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1376#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1364#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1370#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1379#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1378#recFINAL assume true; 1372#recEXIT >#30#return; 1373#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 1361#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1362#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1383#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1401#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 1355#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1365#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1354#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1356#recFINAL assume true; 1418#recEXIT >#28#return; 1407#L15-1 #res := #t~ret5;havoc #t~ret5; 1402#recFINAL assume true; 1382#recEXIT >#30#return; 1374#L23-1 [2021-11-23 14:16:25,557 INFO L793 eck$LassoCheckResult]: Loop: 1374#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 1375#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1404#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1408#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1403#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1405#recFINAL assume true; 1409#recEXIT >#30#return; 1374#L23-1 [2021-11-23 14:16:25,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:25,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1572162950, now seen corresponding path program 4 times [2021-11-23 14:16:25,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:25,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092420414] [2021-11-23 14:16:25,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:25,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:25,589 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:25,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:25,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:25,629 INFO L85 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 3 times [2021-11-23 14:16:25,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:25,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865423490] [2021-11-23 14:16:25,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:25,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:25,636 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:25,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:25,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:25,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1341076915, now seen corresponding path program 5 times [2021-11-23 14:16:25,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:25,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459866697] [2021-11-23 14:16:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:25,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:25,659 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:25,681 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:27,438 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:16:27,438 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:16:27,439 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:16:27,439 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:16:27,439 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:16:27,439 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:27,439 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:16:27,439 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:16:27,439 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration5_Lasso [2021-11-23 14:16:27,439 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:16:27,439 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:16:27,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:27,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:27,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:27,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:27,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:27,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:27,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:27,754 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:16:27,755 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:16:27,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:27,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:27,759 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:27,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-23 14:16:27,760 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 [2021-11-23 14:16:27,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:27,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:27,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:27,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:27,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:27,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:27,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:27,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:27,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:27,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:27,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:27,789 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:27,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-23 14:16:27,791 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 [2021-11-23 14:16:27,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:27,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:27,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:27,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:27,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:27,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:27,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:27,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-23 14:16:27,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:27,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:27,830 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:27,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-23 14:16:27,832 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 [2021-11-23 14:16:27,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:27,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:27,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:27,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:27,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:27,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:27,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:27,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:27,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:27,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:27,863 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:27,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-23 14:16:27,873 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 [2021-11-23 14:16:27,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:27,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:27,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:27,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:27,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:27,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:27,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:27,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:27,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-23 14:16:27,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:27,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:27,906 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:27,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-23 14:16:27,907 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 [2021-11-23 14:16:27,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:27,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:27,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:27,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:27,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:27,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:27,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:27,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:27,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-23 14:16:27,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:27,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:27,942 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:27,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-23 14:16:27,945 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 [2021-11-23 14:16:27,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:27,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:27,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:27,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:27,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:27,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:27,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:27,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-23 14:16:27,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:27,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:27,983 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:27,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-23 14:16:27,985 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 [2021-11-23 14:16:27,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:27,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:27,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:27,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:27,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:27,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:27,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:28,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:28,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:28,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:28,021 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:28,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-23 14:16:28,023 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 [2021-11-23 14:16:28,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:28,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:28,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:28,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:28,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:28,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:28,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:28,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-23 14:16:28,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:28,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:28,107 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:28,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-23 14:16:28,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:16:28,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:28,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:28,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:28,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:28,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:28,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:28,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:28,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:28,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:28,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:28,157 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:28,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-23 14:16:28,161 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 [2021-11-23 14:16:28,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:28,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:28,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:28,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:28,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:28,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:28,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:28,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:28,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:28,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:28,198 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:28,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-23 14:16:28,199 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 [2021-11-23 14:16:28,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:28,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:28,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:28,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:28,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:28,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:28,219 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:16:28,234 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-11-23 14:16:28,234 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-23 14:16:28,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:28,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:28,236 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:28,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-23 14:16:28,237 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:16:28,246 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 14:16:28,246 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:16:28,246 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~ret9#1) = 1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_#t~ret9#1 Supporting invariants [] [2021-11-23 14:16:28,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:28,271 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-23 14:16:28,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:28,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:16:28,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:28,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 14:16:28,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:28,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-23 14:16:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:16:28,711 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2021-11-23 14:16:28,712 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-23 14:16:28,819 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 118 states and 139 transitions. Complement of second has 21 states. [2021-11-23 14:16:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-23 14:16:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2021-11-23 14:16:28,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2021-11-23 14:16:28,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:28,828 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:16:28,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:28,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:16:28,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:29,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 14:16:29,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:29,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-23 14:16:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:16:29,134 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 6 loop predicates [2021-11-23 14:16:29,134 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-23 14:16:29,212 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 118 states and 139 transitions. Complement of second has 21 states. [2021-11-23 14:16:29,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:29,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-23 14:16:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2021-11-23 14:16:29,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2021-11-23 14:16:29,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:29,219 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:16:29,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:29,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:16:29,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:29,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 14:16:29,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:29,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-23 14:16:29,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:16:29,532 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2021-11-23 14:16:29,532 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-23 14:16:29,636 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 143 states and 169 transitions. Complement of second has 22 states. [2021-11-23 14:16:29,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:29,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-23 14:16:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 28 transitions. [2021-11-23 14:16:29,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 21 letters. Loop has 7 letters. [2021-11-23 14:16:29,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:29,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 28 letters. Loop has 7 letters. [2021-11-23 14:16:29,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:29,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 21 letters. Loop has 14 letters. [2021-11-23 14:16:29,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:29,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 169 transitions. [2021-11-23 14:16:29,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-23 14:16:29,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 94 states and 109 transitions. [2021-11-23 14:16:29,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-11-23 14:16:29,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2021-11-23 14:16:29,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 109 transitions. [2021-11-23 14:16:29,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:16:29,656 INFO L681 BuchiCegarLoop]: Abstraction has 94 states and 109 transitions. [2021-11-23 14:16:29,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 109 transitions. [2021-11-23 14:16:29,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 32. [2021-11-23 14:16:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2021-11-23 14:16:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2021-11-23 14:16:29,702 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-11-23 14:16:29,702 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-11-23 14:16:29,702 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-23 14:16:29,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2021-11-23 14:16:29,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-23 14:16:29,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:16:29,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:16:29,710 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 14:16:29,710 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:16:29,711 INFO L791 eck$LassoCheckResult]: Stem: 2176#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2177#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 2198#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 2188#L23 [2021-11-23 14:16:29,711 INFO L793 eck$LassoCheckResult]: Loop: 2188#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 2193#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 2202#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 2179#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 2190#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 2178#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 2180#recFINAL assume true; 2199#recEXIT >#28#return; 2204#L15-1 #res := #t~ret5;havoc #t~ret5; 2203#recFINAL assume true; 2201#recEXIT >#30#return; 2197#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 2187#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 2188#L23 [2021-11-23 14:16:29,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:29,712 INFO L85 PathProgramCache]: Analyzing trace with hash 37808, now seen corresponding path program 1 times [2021-11-23 14:16:29,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:29,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078676431] [2021-11-23 14:16:29,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:29,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:29,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:29,721 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:29,725 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:29,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:29,726 INFO L85 PathProgramCache]: Analyzing trace with hash -669629144, now seen corresponding path program 1 times [2021-11-23 14:16:29,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:29,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133970798] [2021-11-23 14:16:29,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:29,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:29,741 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:29,751 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:29,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:29,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1720097319, now seen corresponding path program 6 times [2021-11-23 14:16:29,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:16:29,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96249295] [2021-11-23 14:16:29,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:16:29,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:16:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:29,762 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:16:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:16:29,774 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:16:30,530 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:16:30,530 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:16:30,530 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:16:30,531 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:16:30,531 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:16:30,531 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:30,531 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:16:30,531 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:16:30,531 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration6_Lasso [2021-11-23 14:16:30,531 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:16:30,531 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:16:30,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:30,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:30,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:30,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:30,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:30,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:30,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:30,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:16:30,807 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:16:30,807 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:16:30,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:30,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:30,809 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:30,811 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 [2021-11-23 14:16:30,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:30,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:30,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:30,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:30,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:30,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:30,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-23 14:16:30,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:30,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-23 14:16:30,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:30,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:30,865 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:30,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-23 14:16:30,867 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 [2021-11-23 14:16:30,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:30,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:16:30,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:30,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:30,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:30,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:16:30,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:16:30,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:30,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-23 14:16:30,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:30,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:30,900 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:30,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-23 14:16:30,902 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 [2021-11-23 14:16:30,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:30,910 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-23 14:16:30,910 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 14:16:30,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:30,916 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-11-23 14:16:30,916 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 14:16:30,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:30,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-23 14:16:30,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:30,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:30,948 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:30,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-23 14:16:30,949 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 [2021-11-23 14:16:30,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:30,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:30,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:30,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:30,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:30,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:30,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:16:30,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-23 14:16:30,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:30,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:30,980 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:30,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-23 14:16:30,981 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 [2021-11-23 14:16:30,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:16:30,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:16:30,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:16:30,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:16:30,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:16:30,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:16:31,023 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:16:31,038 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-23 14:16:31,038 INFO L444 ModelExtractionUtils]: 9 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-11-23 14:16:31,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:16:31,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:16:31,043 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:16:31,045 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:16:31,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-23 14:16:31,068 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 14:16:31,068 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:16:31,068 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-23 14:16:31,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:31,106 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-23 14:16:31,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:16:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:31,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:16:31,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:16:31,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 14:16:31,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:16:31,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-23 14:16:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 14:16:31,275 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2021-11-23 14:16:31,276 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8 Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:31,331 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 69 states and 86 transitions. Complement of second has 22 states. [2021-11-23 14:16:31,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-11-23 14:16:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 14:16:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 14 transitions. [2021-11-23 14:16:31,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 3 letters. Loop has 13 letters. [2021-11-23 14:16:31,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:31,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 16 letters. Loop has 13 letters. [2021-11-23 14:16:31,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:31,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 3 letters. Loop has 26 letters. [2021-11-23 14:16:31,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:16:31,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 86 transitions. [2021-11-23 14:16:31,337 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 14:16:31,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 0 states and 0 transitions. [2021-11-23 14:16:31,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 14:16:31,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 14:16:31,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 14:16:31,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:16:31,338 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:16:31,338 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:16:31,338 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:16:31,338 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-23 14:16:31,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 14:16:31,338 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 14:16:31,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 14:16:31,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:16:31 BoogieIcfgContainer [2021-11-23 14:16:31,348 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 14:16:31,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:16:31,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:16:31,349 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:16:31,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:11" (3/4) ... [2021-11-23 14:16:31,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 14:16:31,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:16:31,353 INFO L158 Benchmark]: Toolchain (without parser) took 20530.97ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 101.7MB in the beginning and 68.8MB in the end (delta: 32.9MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2021-11-23 14:16:31,354 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:16:31,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.55ms. Allocated memory is still 134.2MB. Free memory was 101.4MB in the beginning and 110.2MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:16:31,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.61ms. Allocated memory is still 134.2MB. Free memory was 110.2MB in the beginning and 108.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:16:31,357 INFO L158 Benchmark]: Boogie Preprocessor took 21.94ms. Allocated memory is still 134.2MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:16:31,357 INFO L158 Benchmark]: RCFGBuilder took 352.38ms. Allocated memory is still 134.2MB. Free memory was 107.7MB in the beginning and 98.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 14:16:31,358 INFO L158 Benchmark]: BuchiAutomizer took 19861.41ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 98.2MB in the beginning and 68.8MB in the end (delta: 29.4MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2021-11-23 14:16:31,358 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 199.2MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:16:31,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.55ms. Allocated memory is still 134.2MB. Free memory was 101.4MB in the beginning and 110.2MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.61ms. Allocated memory is still 134.2MB. Free memory was 110.2MB in the beginning and 108.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.94ms. Allocated memory is still 134.2MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.38ms. Allocated memory is still 134.2MB. Free memory was 107.7MB in the beginning and 98.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 19861.41ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 98.2MB in the beginning and 68.8MB in the end (delta: 29.4MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 199.2MB. Free memory is still 68.8MB. 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 6 terminating modules (0 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function i and consists of 9 locations. One deterministic module has affine ranking function 2 * \old(unknown-#memory_int-unknown)[p][p] + 1 and consists of 5 locations. One deterministic module has affine ranking function aux-rec(op)-aux + i and consists of 8 locations. One deterministic module has affine ranking function i and consists of 8 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 6 locations. One nondeterministic module has affine ranking function aux-rec(op)-aux + i and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.8s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 15.1s. Construction of modules took 0.3s. Büchi inclusion checks took 3.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 111 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 82 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 251 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 384 IncrementalHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 127 mSDtfsCounter, 384 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital159 mio100 ax100 hnf99 lsp95 ukn58 mio100 lsp32 div100 bol100 ite100 ukn100 eq163 hnf91 smp98 dnf134 smp91 tf101 neg95 sie125 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 2 VariablesLoop: 2 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! [2021-11-23 14:16:31,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-23 14:16:31,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6a2cf7-53a3-4648-9471-846cbc769389/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE