./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:42:03,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:42:03,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:42:03,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:42:03,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:42:03,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:42:03,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:42:03,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:42:03,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:42:03,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:42:03,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:42:03,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:42:03,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:42:03,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:42:03,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:42:03,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:42:03,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:42:03,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:42:03,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:42:03,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:42:03,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:42:03,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:42:03,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:42:03,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:42:03,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:42:03,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:42:03,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:42:03,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:42:03,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:42:03,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:42:03,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:42:03,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:42:03,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:42:03,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:42:03,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:42:03,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:42:03,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:42:03,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:42:03,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:42:03,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:42:03,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:42:03,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 23:42:03,424 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:42:03,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:42:03,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:42:03,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:42:03,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:42:03,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:42:03,426 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:42:03,426 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 23:42:03,426 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 23:42:03,426 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 23:42:03,426 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 23:42:03,426 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 23:42:03,426 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 23:42:03,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:42:03,427 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:42:03,427 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:42:03,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:42:03,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:42:03,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:42:03,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 23:42:03,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 23:42:03,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 23:42:03,428 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:42:03,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:42:03,428 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 23:42:03,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:42:03,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 23:42:03,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:42:03,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:42:03,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:42:03,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:42:03,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:42:03,429 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 23:42:03,430 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_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2021-12-06 23:42:03,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:42:03,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:42:03,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:42:03,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:42:03,632 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:42:03,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2021-12-06 23:42:03,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/data/d43b536d3/da0fcb714d1048689dcc701395cc4966/FLAG009fd1c0f [2021-12-06 23:42:04,080 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:42:04,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2021-12-06 23:42:04,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/data/d43b536d3/da0fcb714d1048689dcc701395cc4966/FLAG009fd1c0f [2021-12-06 23:42:04,101 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/data/d43b536d3/da0fcb714d1048689dcc701395cc4966 [2021-12-06 23:42:04,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:42:04,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:42:04,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:42:04,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:42:04,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:42:04,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d47fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04, skipping insertion in model container [2021-12-06 23:42:04,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:42:04,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:42:04,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:42:04,396 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:42:04,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:42:04,459 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:42:04,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04 WrapperNode [2021-12-06 23:42:04,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:42:04,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:42:04,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:42:04,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:42:04,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,497 INFO L137 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 28, calls inlined = 5, statements flattened = 67 [2021-12-06 23:42:04,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:42:04,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:42:04,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:42:04,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:42:04,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:42:04,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:42:04,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:42:04,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:42:04,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (1/1) ... [2021-12-06 23:42:04,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:04,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:04,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:04,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 23:42:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:42:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:42:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:42:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 23:42:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:42:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 23:42:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:42:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:42:04,666 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:42:04,667 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:42:04,750 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:42:04,754 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:42:04,754 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 23:42:04,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:42:04 BoogieIcfgContainer [2021-12-06 23:42:04,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:42:04,756 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 23:42:04,756 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 23:42:04,759 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 23:42:04,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:42:04,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 11:42:04" (1/3) ... [2021-12-06 23:42:04,760 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c95f203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:42:04, skipping insertion in model container [2021-12-06 23:42:04,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:42:04,760 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:42:04" (2/3) ... [2021-12-06 23:42:04,761 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c95f203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:42:04, skipping insertion in model container [2021-12-06 23:42:04,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:42:04,761 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:42:04" (3/3) ... [2021-12-06 23:42:04,762 INFO L388 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_2.i [2021-12-06 23:42:04,792 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 23:42:04,793 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 23:42:04,793 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 23:42:04,793 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 23:42:04,793 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 23:42:04,793 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 23:42:04,793 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 23:42:04,793 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 23:42:04,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:04,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 23:42:04,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:42:04,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:42:04,822 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 23:42:04,822 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 23:42:04,822 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 23:42:04,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:04,823 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 23:42:04,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:42:04,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:42:04,824 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 23:42:04,824 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 23:42:04,827 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 14#L526true assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 7#L529true entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 8#L766true assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 12#L767-3true [2021-12-06 23:42:04,828 INFO L793 eck$LassoCheckResult]: Loop: 12#L767-3true assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 18#L526-1true assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 19#L529-1true entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 16#L769true assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 13#L767-2true entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 12#L767-3true [2021-12-06 23:42:04,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:04,832 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-12-06 23:42:04,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:04,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669828797] [2021-12-06 23:42:04,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:04,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:42:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:42:04,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:42:04,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669828797] [2021-12-06 23:42:04,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669828797] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:42:04,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:42:04,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:42:04,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843590644] [2021-12-06 23:42:04,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:42:04,993 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:42:04,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:04,994 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2021-12-06 23:42:04,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:04,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941403401] [2021-12-06 23:42:04,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:04,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:05,013 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:05,036 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:05,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:42:05,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:42:05,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:42:05,279 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:05,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:42:05,315 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2021-12-06 23:42:05,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:42:05,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 45 transitions. [2021-12-06 23:42:05,321 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-12-06 23:42:05,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 20 states and 23 transitions. [2021-12-06 23:42:05,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-06 23:42:05,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-06 23:42:05,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-12-06 23:42:05,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:42:05,325 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-12-06 23:42:05,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-12-06 23:42:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2021-12-06 23:42:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-12-06 23:42:05,344 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-12-06 23:42:05,344 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-12-06 23:42:05,344 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 23:42:05,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2021-12-06 23:42:05,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 23:42:05,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:42:05,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:42:05,345 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 23:42:05,345 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 23:42:05,345 INFO L791 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 71#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 78#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 77#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 74#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 75#L767-3 [2021-12-06 23:42:05,345 INFO L793 eck$LassoCheckResult]: Loop: 75#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 79#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 82#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 81#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 80#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 75#L767-3 [2021-12-06 23:42:05,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:05,346 INFO L85 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2021-12-06 23:42:05,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:05,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981542522] [2021-12-06 23:42:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:05,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:05,357 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:05,377 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:05,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:05,378 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2021-12-06 23:42:05,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:05,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329831037] [2021-12-06 23:42:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:05,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:05,397 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:05,413 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:05,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:05,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2021-12-06 23:42:05,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:05,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211699064] [2021-12-06 23:42:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:05,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:05,442 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:05,466 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:05,839 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:42:05,839 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:42:05,839 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:42:05,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:42:05,840 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:42:05,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:05,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:42:05,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:42:05,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration2_Lasso [2021-12-06 23:42:05,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:42:05,841 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:42:05,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:05,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:05,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:05,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:06,274 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:42:06,277 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:42:06,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 23:42:06,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:06,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:06,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:06,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:06,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:06,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:06,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 23:42:06,314 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 [2021-12-06 23:42:06,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:06,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:06,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:06,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:06,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 23:42:06,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 23:42:06,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:06,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:06,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:06,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:06,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 23:42:06,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,377 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 23:42:06,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:06,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:06,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:06,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:06,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 23:42:06,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,417 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 23:42:06,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:06,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:06,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:06,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:06,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:06,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 23:42:06,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 23:42:06,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:06,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:06,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:06,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:06,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 23:42:06,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,486 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 23:42:06,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:06,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:06,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:06,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:06,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:06,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:06,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,516 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 23:42:06,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:06,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:06,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:06,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:06,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 23:42:06,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,548 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 23:42:06,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:06,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:06,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:06,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:06,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 23:42:06,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,580 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 23:42:06,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:06,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:06,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:06,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:06,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:06,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:06,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:06,614 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:42:06,635 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-12-06 23:42:06,635 INFO L444 ModelExtractionUtils]: 31 out of 40 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-12-06 23:42:06,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:06,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:06,637 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:06,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 23:42:06,669 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:42:06,679 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:42:06,679 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:42:06,680 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0#1, ULTIMATE.start_entry_point_~i~0#1) = 1*ULTIMATE.start_entry_point_~len~0#1 - 1*ULTIMATE.start_entry_point_~i~0#1 Supporting invariants [] [2021-12-06 23:42:06,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 23:42:06,727 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-06 23:42:06,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:42:06,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:42:06,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:42:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:42:06,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:42:06,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:42:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:42:06,799 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 23:42:06,800 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:06,830 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 26 transitions. Complement of second has 4 states. [2021-12-06 23:42:06,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 23:42:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-12-06 23:42:06,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 5 letters. [2021-12-06 23:42:06,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:42:06,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 5 letters. [2021-12-06 23:42:06,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:42:06,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 10 letters. [2021-12-06 23:42:06,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:42:06,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2021-12-06 23:42:06,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:42:06,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2021-12-06 23:42:06,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-06 23:42:06,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-06 23:42:06,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2021-12-06 23:42:06,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:42:06,837 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-06 23:42:06,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2021-12-06 23:42:06,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-06 23:42:06,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:06,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-12-06 23:42:06,840 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-06 23:42:06,840 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-06 23:42:06,840 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 23:42:06,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-12-06 23:42:06,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:42:06,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:42:06,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:42:06,841 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:42:06,841 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:42:06,841 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 186#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 183#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 184#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 185#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 190#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 193#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 191#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 180#L769-1 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 181#L774-3 [2021-12-06 23:42:06,842 INFO L793 eck$LassoCheckResult]: Loop: 181#L774-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 182#L774-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 181#L774-3 [2021-12-06 23:42:06,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:06,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1173218534, now seen corresponding path program 1 times [2021-12-06 23:42:06,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:06,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457774591] [2021-12-06 23:42:06,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:06,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:06,855 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:06,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:06,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:06,868 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 1 times [2021-12-06 23:42:06,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:06,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002583164] [2021-12-06 23:42:06,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:06,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:06,874 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:06,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:06,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:06,878 INFO L85 PathProgramCache]: Analyzing trace with hash 2113389244, now seen corresponding path program 1 times [2021-12-06 23:42:06,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:06,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577940105] [2021-12-06 23:42:06,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:06,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:42:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:42:06,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:42:06,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577940105] [2021-12-06 23:42:06,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577940105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:42:06,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:42:06,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:42:06,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572307933] [2021-12-06 23:42:06,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:42:06,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:42:06,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:42:06,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:42:06,932 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:06,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:42:06,948 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2021-12-06 23:42:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:42:06,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2021-12-06 23:42:06,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:42:06,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 25 transitions. [2021-12-06 23:42:06,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-06 23:42:06,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-06 23:42:06,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2021-12-06 23:42:06,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:42:06,951 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-06 23:42:06,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2021-12-06 23:42:06,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2021-12-06 23:42:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-12-06 23:42:06,953 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-06 23:42:06,953 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-06 23:42:06,953 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 23:42:06,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-12-06 23:42:06,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:42:06,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:42:06,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:42:06,954 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:42:06,954 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:42:06,954 INFO L791 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 233#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 240#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 237#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 238#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 239#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 243#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 248#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 246#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 241#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 242#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 244#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 247#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 245#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 234#L769-1 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 235#L774-3 [2021-12-06 23:42:06,954 INFO L793 eck$LassoCheckResult]: Loop: 235#L774-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 236#L774-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 235#L774-3 [2021-12-06 23:42:06,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:06,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1659616398, now seen corresponding path program 1 times [2021-12-06 23:42:06,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:06,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345310847] [2021-12-06 23:42:06,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:06,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:42:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:42:06,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:42:06,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345310847] [2021-12-06 23:42:06,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345310847] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:42:06,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:42:06,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:42:06,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799777151] [2021-12-06 23:42:06,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:42:06,993 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:42:06,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:06,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 2 times [2021-12-06 23:42:06,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:06,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228680074] [2021-12-06 23:42:06,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:06,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:06,998 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:07,001 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:07,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:42:07,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:42:07,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:42:07,028 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:07,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:42:07,050 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2021-12-06 23:42:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:42:07,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 26 transitions. [2021-12-06 23:42:07,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 23:42:07,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 24 transitions. [2021-12-06 23:42:07,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-06 23:42:07,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-06 23:42:07,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2021-12-06 23:42:07,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:42:07,054 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-12-06 23:42:07,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2021-12-06 23:42:07,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-12-06 23:42:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:07,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-12-06 23:42:07,056 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-06 23:42:07,056 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-06 23:42:07,056 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 23:42:07,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2021-12-06 23:42:07,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:42:07,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:42:07,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:42:07,057 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:42:07,057 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:42:07,057 INFO L791 eck$LassoCheckResult]: Stem: 282#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 290#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 286#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 287#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 288#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 291#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 298#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 296#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 294#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 292#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 293#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 297#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 295#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 284#L769-1 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 285#L774-3 [2021-12-06 23:42:07,057 INFO L793 eck$LassoCheckResult]: Loop: 285#L774-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 289#L774-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 285#L774-3 [2021-12-06 23:42:07,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:07,058 INFO L85 PathProgramCache]: Analyzing trace with hash 979558028, now seen corresponding path program 1 times [2021-12-06 23:42:07,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:07,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998337538] [2021-12-06 23:42:07,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:07,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:07,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 23:42:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:07,074 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:07,090 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:07,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:07,091 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 3 times [2021-12-06 23:42:07,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:07,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075641986] [2021-12-06 23:42:07,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:07,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:07,096 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:07,100 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:07,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:07,100 INFO L85 PathProgramCache]: Analyzing trace with hash 757428654, now seen corresponding path program 1 times [2021-12-06 23:42:07,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:42:07,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331033445] [2021-12-06 23:42:07,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:42:07,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:42:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:07,116 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:42:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:42:07,133 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:42:07,656 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:42:07,656 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:42:07,656 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:42:07,656 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:42:07,656 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:42:07,656 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:07,656 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:42:07,656 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:42:07,656 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration5_Lasso [2021-12-06 23:42:07,656 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:42:07,656 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:42:07,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:07,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:42:08,034 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:42:08,034 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:42:08,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,035 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 23:42:08,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 23:42:08,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,065 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 23:42:08,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 23:42:08,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,098 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 23:42:08,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 23:42:08,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,129 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 23:42:08,130 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 [2021-12-06 23:42:08,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 23:42:08,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,158 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 23:42:08,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 23:42:08,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,191 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 23:42:08,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:08,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,220 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 23:42:08,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 23:42:08,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,249 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 23:42:08,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 23:42:08,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,281 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 23:42:08,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:08,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,309 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 23:42:08,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:08,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,342 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 23:42:08,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:08,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,372 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 23:42:08,373 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 [2021-12-06 23:42:08,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 23:42:08,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,403 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 23:42:08,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 23:42:08,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,431 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 23:42:08,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,440 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-12-06 23:42:08,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,443 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 23:42:08,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 23:42:08,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,470 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 23:42:08,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 23:42:08,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,500 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 23:42:08,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 23:42:08,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,530 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 23:42:08,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:08,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,562 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 23:42:08,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 23:42:08,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,591 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 23:42:08,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 23:42:08,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,622 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 23:42:08,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 23:42:08,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,651 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 23:42:08,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 23:42:08,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,682 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 23:42:08,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 23:42:08,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,711 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 23:42:08,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:08,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,742 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 23:42:08,743 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 [2021-12-06 23:42:08,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:08,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,774 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 23:42:08,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:42:08,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:42:08,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:42:08,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-06 23:42:08,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,802 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 23:42:08,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:42:08,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 23:42:08,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,832 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 23:42:08,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:42:08,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:42:08,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:42:08,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:42:08,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:42:08,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:42:08,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:42:08,851 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:42:08,872 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-12-06 23:42:08,872 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-12-06 23:42:08,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:42:08,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:42:08,873 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:42:08,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 23:42:08,874 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:42:08,881 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:42:08,882 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:42:08,882 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_entry_point_~array~0#1.base)_2, ULTIMATE.start_entry_point_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_entry_point_~array~0#1.base)_2 + 2*ULTIMATE.start_entry_point_~j~0#1 Supporting invariants [] [2021-12-06 23:42:08,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 23:42:08,913 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-12-06 23:42:08,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:42:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:42:08,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:42:08,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:42:08,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 23:42:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:42:08,959 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 23:42:08,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:42:08,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:42:08,972 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 23:42:08,972 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:08,979 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 22 transitions. Complement of second has 4 states. [2021-12-06 23:42:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 23:42:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:42:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-12-06 23:42:08,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-06 23:42:08,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:42:08,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 17 letters. Loop has 2 letters. [2021-12-06 23:42:08,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:42:08,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-06 23:42:08,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:42:08,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-12-06 23:42:08,981 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:42:08,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-12-06 23:42:08,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 23:42:08,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 23:42:08,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 23:42:08,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:42:08,981 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:42:08,981 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:42:08,981 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:42:08,981 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 23:42:08,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:42:08,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:42:08,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 23:42:08,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 11:42:08 BoogieIcfgContainer [2021-12-06 23:42:08,986 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 23:42:08,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:42:08,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:42:08,987 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:42:08,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:42:04" (3/4) ... [2021-12-06 23:42:08,989 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:42:08,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:42:08,990 INFO L158 Benchmark]: Toolchain (without parser) took 4885.73ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 53.0MB in the beginning and 93.8MB in the end (delta: -40.8MB). Peak memory consumption was 50.8kB. Max. memory is 16.1GB. [2021-12-06 23:42:08,990 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:42:08,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.86ms. Allocated memory is still 90.2MB. Free memory was 52.8MB in the beginning and 55.8MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 23:42:08,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.77ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 53.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:42:08,991 INFO L158 Benchmark]: Boogie Preprocessor took 19.86ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 52.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:42:08,991 INFO L158 Benchmark]: RCFGBuilder took 237.59ms. Allocated memory is still 90.2MB. Free memory was 52.2MB in the beginning and 41.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:42:08,991 INFO L158 Benchmark]: BuchiAutomizer took 4230.23ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 41.2MB in the beginning and 93.8MB in the end (delta: -52.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:42:08,991 INFO L158 Benchmark]: Witness Printer took 2.43ms. Allocated memory is still 132.1MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:42:08,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.86ms. Allocated memory is still 90.2MB. Free memory was 52.8MB in the beginning and 55.8MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.77ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 53.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.86ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 52.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 237.59ms. Allocated memory is still 90.2MB. Free memory was 52.2MB in the beginning and 41.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4230.23ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 41.2MB in the beginning and 93.8MB in the end (delta: -52.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.43ms. Allocated memory is still 132.1MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + len and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[array] + 2 * j and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 89 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital239 mio100 ax112 hnf101 lsp82 ukn61 mio100 lsp54 div100 bol100 ite100 ukn100 eq190 hnf91 smp100 dnf104 smp95 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 5 VariablesLoop: 0 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 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! [2021-12-06 23:42:09,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0900beb0-a2d5-4612-a2a8-9cfb045836d8/bin/uautomizer-DrprNOufMa/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