./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 f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/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_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX --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-f8e1c90 [2021-11-09 09:21:00,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:21:00,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:21:00,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:21:00,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:21:00,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:21:00,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:21:00,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:21:00,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:21:00,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:21:00,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:21:00,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:21:00,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:21:00,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:21:00,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:21:00,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:21:00,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:21:00,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:21:00,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:21:00,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:21:00,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:21:00,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:21:00,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:21:00,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:21:00,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:21:00,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:21:00,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:21:00,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:21:00,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:21:00,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:21:00,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:21:00,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:21:00,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:21:00,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:21:00,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:21:00,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:21:00,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:21:00,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:21:00,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:21:00,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:21:00,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:21:00,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-09 09:21:00,997 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:21:00,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:21:00,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:21:00,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:21:00,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:21:00,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:21:01,000 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:21:01,000 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 09:21:01,000 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 09:21:01,000 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 09:21:01,001 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 09:21:01,001 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 09:21:01,001 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 09:21:01,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:21:01,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:21:01,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:21:01,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:21:01,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 09:21:01,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 09:21:01,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 09:21:01,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:21:01,003 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 09:21:01,003 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:21:01,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 09:21:01,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:21:01,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:21:01,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:21:01,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:21:01,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:21:01,006 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 09:21:01,006 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_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd [2021-11-09 09:21:01,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:21:01,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:21:01,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:21:01,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:21:01,314 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:21:01,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2021-11-09 09:21:01,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/data/622fa5c1f/d6605faaa42f42398494e54f5ad573c3/FLAGf6394eed6 [2021-11-09 09:21:01,833 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:21:01,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2021-11-09 09:21:01,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/data/622fa5c1f/d6605faaa42f42398494e54f5ad573c3/FLAGf6394eed6 [2021-11-09 09:21:02,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/data/622fa5c1f/d6605faaa42f42398494e54f5ad573c3 [2021-11-09 09:21:02,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:21:02,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:21:02,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:21:02,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:21:02,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:21:02,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d788896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02, skipping insertion in model container [2021-11-09 09:21:02,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:21:02,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:21:02,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:21:02,475 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:21:02,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:21:02,498 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:21:02,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02 WrapperNode [2021-11-09 09:21:02,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:21:02,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:21:02,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:21:02,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:21:02,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:21:02,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:21:02,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:21:02,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:21:02,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:21:02,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:21:02,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:21:02,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:21:02,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (1/1) ... [2021-11-09 09:21:02,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:02,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:02,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:02,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 09:21:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:21:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-11-09 09:21:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-11-09 09:21:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 09:21:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:21:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:21:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:21:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:21:02,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:21:02,790 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-09 09:21:02,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:21:02 BoogieIcfgContainer [2021-11-09 09:21:02,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:21:02,793 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 09:21:02,793 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 09:21:02,797 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 09:21:02,798 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:21:02,798 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 09:21:02" (1/3) ... [2021-11-09 09:21:02,802 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36c8308f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:21:02, skipping insertion in model container [2021-11-09 09:21:02,802 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:21:02,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:02" (2/3) ... [2021-11-09 09:21:02,803 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36c8308f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:21:02, skipping insertion in model container [2021-11-09 09:21:02,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:21:02,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:21:02" (3/3) ... [2021-11-09 09:21:02,805 INFO L389 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex3.i [2021-11-09 09:21:02,858 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 09:21:02,859 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 09:21:02,859 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 09:21:02,859 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 09:21:02,859 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 09:21:02,859 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 09:21:02,860 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 09:21:02,860 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 09:21:02,873 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) [2021-11-09 09:21:02,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-09 09:21:02,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:21:02,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:21:02,910 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 09:21:02,910 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:02,910 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 09:21:02,910 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) [2021-11-09 09:21:02,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-09 09:21:02,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:21:02,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:21:02,913 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 09:21:02,913 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:02,920 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 10#L20-2true [2021-11-09 09:21:02,921 INFO L793 eck$LassoCheckResult]: Loop: 10#L20-2true assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 12#L23true call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.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 := main_~i~0 + main_#t~ret9;havoc main_#t~ret9; 10#L20-2true [2021-11-09 09:21:02,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:02,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2021-11-09 09:21:02,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:02,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786194367] [2021-11-09 09:21:02,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:02,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:03,015 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:03,037 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:03,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:03,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2039113776, now seen corresponding path program 1 times [2021-11-09 09:21:03,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:03,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230472688] [2021-11-09 09:21:03,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:03,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:03,077 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:03,105 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:03,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:03,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1009969970, now seen corresponding path program 1 times [2021-11-09 09:21:03,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:03,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130091761] [2021-11-09 09:21:03,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:03,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:03,131 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:03,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:03,986 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:21:03,987 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:21:03,987 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:21:03,987 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:21:03,987 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:21:03,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:03,988 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:21:03,988 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:21:03,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration1_Lasso [2021-11-09 09:21:03,988 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:21:03,989 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:21:04,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:04,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:04,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:04,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:04,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:04,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:04,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:04,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:04,228 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:21:04,233 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:21:04,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 09:21:04,246 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 [2021-11-09 09:21:04,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 09:21:04,320 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 [2021-11-09 09:21:04,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,381 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,389 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 [2021-11-09 09:21:04,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 09:21:04,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 09:21:04,448 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 [2021-11-09 09:21:04,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:04,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:04,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,518 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,529 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 [2021-11-09 09:21:04,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 09:21:04,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 09:21:04,601 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 [2021-11-09 09:21:04,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,663 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,673 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 [2021-11-09 09:21:04,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,683 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-09 09:21:04,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 09:21:04,695 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-09 09:21:04,696 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-09 09:21:04,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,752 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:21:04,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 09:21:04,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,807 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 09:21:04,813 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 [2021-11-09 09:21:04,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:04,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:04,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,897 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,907 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 [2021-11-09 09:21:04,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 09:21:04,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,977 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 09:21:04,979 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 [2021-11-09 09:21:04,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:05,004 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:21:05,011 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-09 09:21:05,011 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-09 09:21:05,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:05,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:05,014 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:05,017 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:21:05,017 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 09:21:05,017 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:21:05,018 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-11-09 09:21:05,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 09:21:05,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:05,059 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 09:21:05,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:05,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:21:05,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:05,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-09 09:21:05,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:05,371 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 [2021-11-09 09:21:05,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:05,512 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 [2021-11-09 09:21:05,514 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) [2021-11-09 09:21:05,653 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. [2021-11-09 09:21:05,654 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 [2021-11-09 09:21:05,656 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) [2021-11-09 09:21:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 22 transitions. [2021-11-09 09:21:05,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 7 letters. [2021-11-09 09:21:05,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:05,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 9 letters. Loop has 7 letters. [2021-11-09 09:21:05,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:05,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 14 letters. [2021-11-09 09:21:05,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:05,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 77 transitions. [2021-11-09 09:21:05,680 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-09 09:21:05,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 35 states and 42 transitions. [2021-11-09 09:21:05,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-09 09:21:05,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-11-09 09:21:05,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2021-11-09 09:21:05,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:21:05,692 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-11-09 09:21:05,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2021-11-09 09:21:05,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2021-11-09 09:21:05,723 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) [2021-11-09 09:21:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2021-11-09 09:21:05,729 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-11-09 09:21:05,729 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-11-09 09:21:05,730 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 09:21:05,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2021-11-09 09:21:05,734 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-09 09:21:05,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:21:05,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:21:05,735 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:05,735 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 09:21:05,735 INFO L791 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 155#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 179#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 157#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.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 [2021-11-09 09:21:05,736 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 [2021-11-09 09:21:05,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:05,737 INFO L85 PathProgramCache]: Analyzing trace with hash 557607690, now seen corresponding path program 1 times [2021-11-09 09:21:05,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:05,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282067805] [2021-11-09 09:21:05,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:05,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:05,780 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:05,821 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:05,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:05,823 INFO L85 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2021-11-09 09:21:05,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:05,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111793562] [2021-11-09 09:21:05,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:05,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:05,837 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:05,853 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:05,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:05,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1242807987, now seen corresponding path program 2 times [2021-11-09 09:21:05,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:05,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572835538] [2021-11-09 09:21:05,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:05,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:05,891 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:05,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:06,795 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:21:06,795 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:21:06,795 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:21:06,795 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:21:06,795 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:21:06,795 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:06,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:21:06,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:21:06,795 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration2_Lasso [2021-11-09 09:21:06,795 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:21:06,796 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:21:06,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:06,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:07,221 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:21:07,224 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:21:07,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,226 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,234 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 [2021-11-09 09:21:07,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 09:21:07,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,309 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,314 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 [2021-11-09 09:21:07,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 09:21:07,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,370 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,378 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 [2021-11-09 09:21:07,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 09:21:07,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,449 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,455 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 [2021-11-09 09:21:07,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 09:21:07,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:07,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:07,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,512 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 09:21:07,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:21:07,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,553 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 09:21:07,558 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 [2021-11-09 09:21:07,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,589 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-09 09:21:07,593 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 [2021-11-09 09:21:07,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,626 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-09 09:21:07,627 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 [2021-11-09 09:21:07,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,695 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-09 09:21:07,696 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 [2021-11-09 09:21:07,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,733 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-09 09:21:07,735 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 [2021-11-09 09:21:07,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:07,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:07,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,780 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-09 09:21:07,782 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 [2021-11-09 09:21:07,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,819 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-09 09:21:07,820 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 [2021-11-09 09:21:07,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:07,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,850 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-09 09:21:07,851 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 [2021-11-09 09:21:07,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-09 09:21:07,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,882 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-09 09:21:07,883 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 [2021-11-09 09:21:07,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-09 09:21:07,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,919 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-09 09:21:07,922 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 [2021-11-09 09:21:07,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:07,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-09 09:21:07,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:07,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:07,964 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:07,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-09 09:21:07,966 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 [2021-11-09 09:21:07,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:07,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:07,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:07,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:07,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:07,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:07,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:07,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:08,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:08,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:08,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:08,018 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:08,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-09 09:21:08,022 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 [2021-11-09 09:21:08,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:08,030 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-09 09:21:08,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:08,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:08,033 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-09 09:21:08,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:08,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:08,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:08,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:08,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:08,074 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:08,076 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 [2021-11-09 09:21:08,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-09 09:21:08,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:08,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:08,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:08,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:08,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:08,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:08,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:08,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-09 09:21:08,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:08,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:08,142 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:08,151 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 [2021-11-09 09:21:08,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:08,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:08,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:08,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:08,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:08,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:08,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-09 09:21:08,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:08,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-09 09:21:08,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:08,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:08,206 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:08,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-09 09:21:08,208 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 [2021-11-09 09:21:08,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:08,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:08,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:08,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:08,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:08,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:08,235 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:21:08,256 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-11-09 09:21:08,256 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-09 09:21:08,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:08,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:08,261 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:08,265 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:21:08,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-09 09:21:08,290 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 09:21:08,290 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:21:08,290 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) 0)_1) = 2*v_rep(select (select #memory_int rec_#in~p.base) 0)_1 + 1 Supporting invariants [] [2021-11-09 09:21:08,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:08,333 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-09 09:21:08,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:08,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-09 09:21:08,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:08,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-09 09:21:08,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:08,517 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 09:21:08,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 32 [2021-11-09 09:21:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:08,568 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2021-11-09 09:21:08,568 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10 Second operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 3 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) [2021-11-09 09:21:08,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:08,712 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10. Second operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 3 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 19 states. [2021-11-09 09:21:08,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-09 09:21:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 3 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) [2021-11-09 09:21:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2021-11-09 09:21:08,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-09 09:21:08,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:08,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 10 letters. Loop has 3 letters. [2021-11-09 09:21:08,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:08,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 7 letters. Loop has 6 letters. [2021-11-09 09:21:08,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:08,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2021-11-09 09:21:08,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-09 09:21:08,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 41 states and 50 transitions. [2021-11-09 09:21:08,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-09 09:21:08,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-11-09 09:21:08,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 50 transitions. [2021-11-09 09:21:08,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:21:08,722 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 50 transitions. [2021-11-09 09:21:08,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 50 transitions. [2021-11-09 09:21:08,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-11-09 09:21:08,727 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) [2021-11-09 09:21:08,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2021-11-09 09:21:08,728 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-11-09 09:21:08,728 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-11-09 09:21:08,728 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 09:21:08,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2021-11-09 09:21:08,730 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-09 09:21:08,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:21:08,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:21:08,731 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:08,731 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:08,731 INFO L791 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 323#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 346#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 335#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 354#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 355#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; 328#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 336#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 337#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; 360#recFINAL assume true; 341#recEXIT >#28#return; 342#L15-1 #res := #t~ret5;havoc #t~ret5; 356#recFINAL assume true; 350#recEXIT >#30#return; 345#L23-1 [2021-11-09 09:21:08,731 INFO L793 eck$LassoCheckResult]: Loop: 345#L23-1 main_~i~0 := main_~i~0 + main_#t~ret9;havoc main_#t~ret9; 331#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 332#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 339#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 351#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; 353#recFINAL assume true; 357#recEXIT >#30#return; 345#L23-1 [2021-11-09 09:21:08,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:08,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1969157627, now seen corresponding path program 1 times [2021-11-09 09:21:08,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:08,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971909600] [2021-11-09 09:21:08,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:08,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:08,746 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:08,763 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:08,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:08,763 INFO L85 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 2 times [2021-11-09 09:21:08,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:08,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974568961] [2021-11-09 09:21:08,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:08,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:08,772 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:08,782 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:08,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:08,783 INFO L85 PathProgramCache]: Analyzing trace with hash 931270558, now seen corresponding path program 1 times [2021-11-09 09:21:08,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:08,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072671055] [2021-11-09 09:21:08,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:08,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:08,802 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:08,841 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:09,871 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:21:09,872 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:21:09,872 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:21:09,872 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:21:09,872 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:21:09,872 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:09,872 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:21:09,872 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:21:09,872 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration3_Lasso [2021-11-09 09:21:09,872 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:21:09,872 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:21:09,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:09,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:09,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:09,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:09,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:09,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:09,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:10,119 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:21:10,119 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:21:10,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:10,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:10,124 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:10,130 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 [2021-11-09 09:21:10,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:10,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:10,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:10,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:10,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:10,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:10,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-09 09:21:10,181 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:21:10,196 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-09 09:21:10,196 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-09 09:21:10,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:10,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:10,198 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:10,200 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:21:10,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-09 09:21:10,226 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-09 09:21:10,226 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:21:10,227 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~op~0.base) ULTIMATE.start_main_~op~0.offset)_2, ULTIMATE.start_main_~i~0) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~op~0.base) ULTIMATE.start_main_~op~0.offset)_2 + 3*ULTIMATE.start_main_~i~0 Supporting invariants [2*v_rep(select (select #memory_int ULTIMATE.start_main_~op~0.base) ULTIMATE.start_main_~op~0.offset)_2 - 3*ULTIMATE.start_main_#t~ret9 >= 0] [2021-11-09 09:21:10,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:10,265 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-09 09:21:10,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:10,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-09 09:21:10,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:10,483 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 25 treesize of output 13 [2021-11-09 09:21:10,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:11,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-09 09:21:11,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:11,167 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-09 09:21:11,168 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 1 case distinctions, treesize of input 35 treesize of output 38 [2021-11-09 09:21:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:11,392 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 6 loop predicates [2021-11-09 09:21:11,392 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11 Second operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 09:21:23,983 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11. Second operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Result 87 states and 101 transitions. Complement of second has 29 states. [2021-11-09 09:21:23,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 9 stem states 5 non-accepting loop states 2 accepting loop states [2021-11-09 09:21:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 09:21:23,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 26 transitions. [2021-11-09 09:21:23,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 26 transitions. Stem has 14 letters. Loop has 7 letters. [2021-11-09 09:21:23,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:23,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2021-11-09 09:21:23,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:23,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 26 transitions. Stem has 14 letters. Loop has 14 letters. [2021-11-09 09:21:23,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:23,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 101 transitions. [2021-11-09 09:21:23,990 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-09 09:21:23,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 85 states and 99 transitions. [2021-11-09 09:21:23,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-11-09 09:21:23,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2021-11-09 09:21:23,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 99 transitions. [2021-11-09 09:21:23,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:21:23,994 INFO L681 BuchiCegarLoop]: Abstraction has 85 states and 99 transitions. [2021-11-09 09:21:23,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 99 transitions. [2021-11-09 09:21:24,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 74. [2021-11-09 09:21:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 53 states have internal predecessors, (60), 11 states have call successors, (11), 10 states have call predecessors, (11), 12 states have return successors, (16), 10 states have call predecessors, (16), 11 states have call successors, (16) [2021-11-09 09:21:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2021-11-09 09:21:24,004 INFO L704 BuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2021-11-09 09:21:24,004 INFO L587 BuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2021-11-09 09:21:24,004 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 09:21:24,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 87 transitions. [2021-11-09 09:21:24,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-09 09:21:24,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:21:24,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:21:24,007 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:24,007 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 09:21:24,007 INFO L791 eck$LassoCheckResult]: Stem: 605#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 606#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 629#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 640#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 641#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 647#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; 637#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 645#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 648#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; 646#recFINAL assume true; 644#recEXIT >#28#return; 643#L15-1 #res := #t~ret5;havoc #t~ret5; 642#recFINAL assume true; 639#recEXIT >#30#return; 638#L23-1 main_~i~0 := main_~i~0 + main_#t~ret9;havoc main_#t~ret9; 616#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 617#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 620#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 621#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; 631#L15 [2021-11-09 09:21:24,008 INFO L793 eck$LassoCheckResult]: Loop: 631#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 633#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 669#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; 631#L15 [2021-11-09 09:21:24,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:24,008 INFO L85 PathProgramCache]: Analyzing trace with hash -164393880, now seen corresponding path program 2 times [2021-11-09 09:21:24,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:24,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320977334] [2021-11-09 09:21:24,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:24,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:24,027 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:24,073 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:24,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:24,076 INFO L85 PathProgramCache]: Analyzing trace with hash 55742, now seen corresponding path program 2 times [2021-11-09 09:21:24,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:24,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612330635] [2021-11-09 09:21:24,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:24,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:24,082 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:24,087 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:24,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:24,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1195335689, now seen corresponding path program 3 times [2021-11-09 09:21:24,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:24,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024601423] [2021-11-09 09:21:24,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:24,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:24,106 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:24,137 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:26,236 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:21:26,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:21:26,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:21:26,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:21:26,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:21:26,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:26,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:21:26,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:21:26,237 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration4_Lasso [2021-11-09 09:21:26,237 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:21:26,237 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:21:26,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:26,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:27,094 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:21:27,094 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:21:27,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,099 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-09 09:21:27,100 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 [2021-11-09 09:21:27,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-09 09:21:27,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,133 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-09 09:21:27,134 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 [2021-11-09 09:21:27,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-09 09:21:27,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,164 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-09 09:21:27,166 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 [2021-11-09 09:21:27,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-09 09:21:27,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,195 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-09 09:21:27,198 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 [2021-11-09 09:21:27,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-09 09:21:27,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,248 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-09 09:21:27,250 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 [2021-11-09 09:21:27,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:27,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:27,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:27,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,285 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-09 09:21:27,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:21:27,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-09 09:21:27,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,316 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,342 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 [2021-11-09 09:21:27,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-09 09:21:27,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-09 09:21:27,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,395 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:21:27,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-09 09:21:27,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-09 09:21:27,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,444 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-09 09:21:27,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:21:27,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-09 09:21:27,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,476 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-09 09:21:27,478 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 [2021-11-09 09:21:27,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:27,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,509 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-09 09:21:27,511 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 [2021-11-09 09:21:27,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-09 09:21:27,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,540 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-09 09:21:27,541 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 [2021-11-09 09:21:27,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:27,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,570 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-09 09:21:27,572 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 [2021-11-09 09:21:27,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:27,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,601 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-09 09:21:27,603 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 [2021-11-09 09:21:27,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-09 09:21:27,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,633 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-09 09:21:27,635 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 [2021-11-09 09:21:27,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:27,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:27,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:27,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-09 09:21:27,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,670 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-09 09:21:27,673 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 [2021-11-09 09:21:27,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:27,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:27,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:27,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,742 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-09 09:21:27,743 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 [2021-11-09 09:21:27,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:27,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:27,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:27,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,784 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-09 09:21:27,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:21:27,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:27,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:27,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:27,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,825 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-09 09:21:27,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:21:27,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:27,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:27,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:27,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-09 09:21:27,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,874 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,902 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 [2021-11-09 09:21:27,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:27,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:27,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:27,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:27,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:27,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:27,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-09 09:21:27,945 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:21:27,970 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-09 09:21:27,971 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-11-09 09:21:27,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:27,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:27,973 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:27,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-09 09:21:27,974 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:21:27,982 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 09:21:27,982 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:21:27,982 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_~p.base) rec_~p.offset)_1) = 2*v_rep(select (select #memory_int rec_~p.base) rec_~p.offset)_1 + 1 Supporting invariants [] [2021-11-09 09:21:28,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:28,007 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-11-09 09:21:28,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:28,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:21:28,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:28,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-09 09:21:28,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:28,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:28,336 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 [2021-11-09 09:21:28,336 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-09 09:21:28,445 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19. 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 113 states and 130 transitions. Complement of second has 15 states. [2021-11-09 09:21:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-09 09:21:28,445 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-09 09:21:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 18 transitions. [2021-11-09 09:21:28,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 19 letters. Loop has 3 letters. [2021-11-09 09:21:28,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:28,447 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-09 09:21:28,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:28,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:21:28,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:28,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:28,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-09 09:21:28,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:28,850 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 [2021-11-09 09:21:28,851 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-09 09:21:28,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19. 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 113 states and 130 transitions. Complement of second has 15 states. [2021-11-09 09:21:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-09 09:21:28,940 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-09 09:21:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 18 transitions. [2021-11-09 09:21:28,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 19 letters. Loop has 3 letters. [2021-11-09 09:21:28,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:28,940 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-09 09:21:28,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:28,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:21:28,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:29,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-09 09:21:29,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:29,262 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 [2021-11-09 09:21:29,262 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-09 09:21:29,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19. 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 137 states and 159 transitions. Complement of second has 15 states. [2021-11-09 09:21:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-09 09:21:29,361 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-09 09:21:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2021-11-09 09:21:29,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 19 letters. Loop has 3 letters. [2021-11-09 09:21:29,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:29,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 22 letters. Loop has 3 letters. [2021-11-09 09:21:29,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:29,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 19 letters. Loop has 6 letters. [2021-11-09 09:21:29,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:29,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 159 transitions. [2021-11-09 09:21:29,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:21:29,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 103 states and 123 transitions. [2021-11-09 09:21:29,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2021-11-09 09:21:29,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 78 [2021-11-09 09:21:29,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 123 transitions. [2021-11-09 09:21:29,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:21:29,372 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 123 transitions. [2021-11-09 09:21:29,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 123 transitions. [2021-11-09 09:21:29,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 84. [2021-11-09 09:21:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 12 states have call successors, (18), 14 states have call predecessors, (18), 13 states have return successors, (17), 11 states have call predecessors, (17), 12 states have call successors, (17) [2021-11-09 09:21:29,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 99 transitions. [2021-11-09 09:21:29,382 INFO L704 BuchiCegarLoop]: Abstraction has 84 states and 99 transitions. [2021-11-09 09:21:29,382 INFO L587 BuchiCegarLoop]: Abstraction has 84 states and 99 transitions. [2021-11-09 09:21:29,382 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-09 09:21:29,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 99 transitions. [2021-11-09 09:21:29,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:21:29,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:21:29,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:21:29,385 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:29,385 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:21:29,385 INFO L791 eck$LassoCheckResult]: Stem: 1342#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1343#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 1368#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 1378#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 1379#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1394#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; 1387#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1389#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1406#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; 1391#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1405#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1409#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; 1408#recFINAL assume true; 1407#recEXIT >#28#return; 1392#L15-1 #res := #t~ret5;havoc #t~ret5; 1404#recFINAL assume true; 1390#recEXIT >#28#return; 1385#L15-1 #res := #t~ret5;havoc #t~ret5; 1383#recFINAL assume true; 1380#recEXIT >#30#return; 1366#L23-1 [2021-11-09 09:21:29,386 INFO L793 eck$LassoCheckResult]: Loop: 1366#L23-1 main_~i~0 := main_~i~0 + main_#t~ret9;havoc main_#t~ret9; 1367#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 1372#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 1415#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1413#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; 1349#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1373#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1410#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; 1369#recFINAL assume true; 1370#recEXIT >#28#return; 1414#L15-1 #res := #t~ret5;havoc #t~ret5; 1411#recFINAL assume true; 1412#recEXIT >#30#return; 1366#L23-1 [2021-11-09 09:21:29,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:29,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2132192921, now seen corresponding path program 2 times [2021-11-09 09:21:29,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:29,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938768776] [2021-11-09 09:21:29,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:29,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:29,398 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:29,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:29,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:29,413 INFO L85 PathProgramCache]: Analyzing trace with hash 773083116, now seen corresponding path program 1 times [2021-11-09 09:21:29,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:29,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353040105] [2021-11-09 09:21:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:29,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:29,422 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:29,432 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:29,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:29,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1526002758, now seen corresponding path program 4 times [2021-11-09 09:21:29,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:29,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318515651] [2021-11-09 09:21:29,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:29,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:29,451 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:29,473 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:31,105 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:21:31,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:21:31,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:21:31,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:21:31,105 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:21:31,106 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:31,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:21:31,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:21:31,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration5_Lasso [2021-11-09 09:21:31,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:21:31,106 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:21:31,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:31,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:31,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:31,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:31,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:31,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:31,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:31,371 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:21:31,371 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:21:31,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:31,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:31,372 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:31,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-09 09:21:31,373 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 [2021-11-09 09:21:31,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:31,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:31,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:31,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:31,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:31,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:31,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:31,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:31,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:31,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:31,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:31,401 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:31,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-09 09:21:31,402 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 [2021-11-09 09:21:31,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:31,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:31,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:31,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:31,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:31,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:31,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:31,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:31,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:31,434 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:31,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-09 09:21:31,435 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 [2021-11-09 09:21:31,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:31,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:31,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:31,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:31,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:31,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:31,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:31,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-09 09:21:31,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:31,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:31,468 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:31,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-09 09:21:31,470 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 [2021-11-09 09:21:31,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:31,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:31,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:31,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:31,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:31,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:31,513 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:21:31,528 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-09 09:21:31,528 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-09 09:21:31,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:31,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:31,533 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:31,535 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:21:31,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-09 09:21:31,562 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 09:21:31,562 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:21:31,562 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~ret9, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_#t~ret9 + 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-11-09 09:21:31,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:31,599 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-09 09:21:31,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:31,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:21:31,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:31,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-09 09:21:31,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:32,036 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 [2021-11-09 09:21:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-09 09:21:32,108 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2021-11-09 09:21:32,108 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 99 transitions. cyclomatic complexity: 21 Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 09:21:32,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 99 transitions. cyclomatic complexity: 21. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Result 143 states and 169 transitions. Complement of second has 24 states. [2021-11-09 09:21:32,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-11-09 09:21:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 09:21:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 23 transitions. [2021-11-09 09:21:32,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 23 transitions. Stem has 20 letters. Loop has 13 letters. [2021-11-09 09:21:32,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:32,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 23 transitions. Stem has 33 letters. Loop has 13 letters. [2021-11-09 09:21:32,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:32,208 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 23 transitions. Stem has 20 letters. Loop has 26 letters. [2021-11-09 09:21:32,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:32,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 169 transitions. [2021-11-09 09:21:32,212 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:21:32,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 0 states and 0 transitions. [2021-11-09 09:21:32,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 09:21:32,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 09:21:32,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 09:21:32,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:21:32,224 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:21:32,224 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:21:32,224 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:21:32,233 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-09 09:21:32,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:21:32,233 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:21:32,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 09:21:32,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 09:21:32 BoogieIcfgContainer [2021-11-09 09:21:32,253 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 09:21:32,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:21:32,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:21:32,254 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:21:32,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:21:02" (3/4) ... [2021-11-09 09:21:32,257 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:21:32,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:21:32,259 INFO L168 Benchmark]: Toolchain (without parser) took 29989.37 ms. Allocated memory was 107.0 MB in the beginning and 161.5 MB in the end (delta: 54.5 MB). Free memory was 69.9 MB in the beginning and 122.2 MB in the end (delta: -52.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:32,259 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 107.0 MB. Free memory is still 86.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:21:32,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.73 ms. Allocated memory is still 107.0 MB. Free memory was 69.7 MB in the beginning and 82.7 MB in the end (delta: -13.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:32,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.46 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:32,260 INFO L168 Benchmark]: Boogie Preprocessor took 22.04 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 80.5 MB in the end (delta: 925.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:21:32,261 INFO L168 Benchmark]: RCFGBuilder took 241.82 ms. Allocated memory is still 107.0 MB. Free memory was 80.0 MB in the beginning and 71.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:32,261 INFO L168 Benchmark]: BuchiAutomizer took 29459.52 ms. Allocated memory was 107.0 MB in the beginning and 161.5 MB in the end (delta: 54.5 MB). Free memory was 71.0 MB in the beginning and 122.2 MB in the end (delta: -51.2 MB). Peak memory consumption was 90.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:32,262 INFO L168 Benchmark]: Witness Printer took 4.40 ms. Allocated memory is still 161.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:21:32,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 107.0 MB. Free memory is still 86.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 226.73 ms. Allocated memory is still 107.0 MB. Free memory was 69.7 MB in the beginning and 82.7 MB in the end (delta: -13.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.46 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.04 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 80.5 MB in the end (delta: 925.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 241.82 ms. Allocated memory is still 107.0 MB. Free memory was 80.0 MB in the beginning and 71.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 29459.52 ms. Allocated memory was 107.0 MB in the beginning and 161.5 MB in the end (delta: 54.5 MB). Free memory was 71.0 MB in the beginning and 122.2 MB in the end (delta: -51.2 MB). Peak memory consumption was 90.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.40 ms. Allocated memory is still 161.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (0 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function i and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][0] + 1 and consists of 8 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 3 * i and consists of 16 locations. One deterministic module has affine ranking function i + aux-rec(op)-aux and consists of 9 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 29.3s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 12.4s. Construction of modules took 12.3s. Büchi inclusion checks took 4.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 35 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 84 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 84 SDtfs, 106 SDslu, 109 SDs, 0 SdLazy, 299 SolverSat, 101 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 12.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital155 mio100 ax100 hnf100 lsp95 ukn61 mio100 lsp35 div100 bol100 ite100 ukn100 eq175 hnf90 smp96 dnf108 smp96 tf101 neg98 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-09 09:21:32,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-09 09:21:32,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fc953c0-f7bb-4987-ad7b-3ea6684c4cb4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE