./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:13:11,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:13:11,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:13:11,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:13:11,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:13:11,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:13:11,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:13:11,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:13:11,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:13:11,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:13:11,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:13:11,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:13:11,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:13:11,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:13:11,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:13:11,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:13:11,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:13:11,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:13:11,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:13:11,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:13:11,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:13:11,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:13:11,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:13:11,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:13:11,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:13:11,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:13:11,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:13:11,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:13:11,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:13:11,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:13:11,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:13:11,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:13:11,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:13:11,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:13:11,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:13:11,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:13:11,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:13:11,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:13:11,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:13:11,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:13:11,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:13:11,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:13:11,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:13:11,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:13:11,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:13:11,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:13:11,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:13:11,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:13:11,603 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:13:11,604 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:13:11,604 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:13:11,604 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:13:11,605 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:13:11,606 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:13:11,606 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:13:11,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:13:11,606 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:13:11,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:13:11,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:13:11,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:13:11,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:13:11,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:13:11,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:13:11,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:13:11,608 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:13:11,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:13:11,608 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:13:11,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:13:11,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:13:11,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:13:11,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:13:11,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:13:11,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:13:11,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:13:11,613 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:13:11,614 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_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2021-10-28 23:13:11,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:13:11,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:13:11,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:13:11,984 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:13:11,986 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:13:11,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-10-28 23:13:12,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/data/a8b624b6c/b29b98abde0149c59ec3651836162319/FLAGa9268ec44 [2021-10-28 23:13:12,701 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:13:12,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-10-28 23:13:12,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/data/a8b624b6c/b29b98abde0149c59ec3651836162319/FLAGa9268ec44 [2021-10-28 23:13:12,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/data/a8b624b6c/b29b98abde0149c59ec3651836162319 [2021-10-28 23:13:12,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:13:12,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:13:12,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:12,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:13:12,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:13:12,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:12" (1/1) ... [2021-10-28 23:13:12,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66111e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:12, skipping insertion in model container [2021-10-28 23:13:12,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:12" (1/1) ... [2021-10-28 23:13:12,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:13:13,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:13:13,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-10-28 23:13:13,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:13:13,503 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:13:13,562 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-10-28 23:13:13,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:13:13,609 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:13:13,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13 WrapperNode [2021-10-28 23:13:13,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:13,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:13:13,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:13:13,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:13:13,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:13:13,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:13:13,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:13:13,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:13:13,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:13:13,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:13:13,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:13:13,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:13:13,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (1/1) ... [2021-10-28 23:13:13,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:13,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:13,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:13,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:13:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:13:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:13:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:13:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:13:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:13:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:13:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:13:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:13:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:13:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:13:14,287 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:13:14,287 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-28 23:13:14,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:14 BoogieIcfgContainer [2021-10-28 23:13:14,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:13:14,294 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:13:14,294 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:13:14,298 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:13:14,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:13:14,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:13:12" (1/3) ... [2021-10-28 23:13:14,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@745b3a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:13:14, skipping insertion in model container [2021-10-28 23:13:14,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:13:14,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:13" (2/3) ... [2021-10-28 23:13:14,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@745b3a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:13:14, skipping insertion in model container [2021-10-28 23:13:14,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:13:14,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:14" (3/3) ... [2021-10-28 23:13:14,307 INFO L389 chiAutomizerObserver]: Analyzing ICFG simple-ext.i [2021-10-28 23:13:14,365 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:13:14,366 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:13:14,366 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:13:14,366 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:13:14,366 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:13:14,366 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:13:14,366 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:13:14,366 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:13:14,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:14,404 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-10-28 23:13:14,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:14,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:14,411 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:13:14,412 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:13:14,412 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:13:14,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:14,414 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-10-28 23:13:14,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:14,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:14,415 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:13:14,415 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:13:14,423 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 10#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 11#L533true assume main_~a~0.base == 0 && main_~a~0.offset == 0;myexit_#in~s := 1;havoc myexit_~s;myexit_~s := myexit_#in~s; 3#L525true [2021-10-28 23:13:14,424 INFO L793 eck$LassoCheckResult]: Loop: 3#L525true assume true; 3#L525true [2021-10-28 23:13:14,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:14,431 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-10-28 23:13:14,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:14,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046913401] [2021-10-28 23:13:14,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:14,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:14,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:14,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046913401] [2021-10-28 23:13:14,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046913401] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:14,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:14,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:13:14,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966870521] [2021-10-28 23:13:14,637 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:13:14,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:14,639 INFO L85 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2021-10-28 23:13:14,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:14,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006190636] [2021-10-28 23:13:14,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:14,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:14,646 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:14,664 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:14,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:14,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:13:14,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:13:14,691 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:14,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:14,709 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-10-28 23:13:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:13:14,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-10-28 23:13:14,713 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:14,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2021-10-28 23:13:14,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 23:13:14,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 23:13:14,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2021-10-28 23:13:14,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:14,720 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-28 23:13:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2021-10-28 23:13:14,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-10-28 23:13:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-10-28 23:13:14,746 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-28 23:13:14,747 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-28 23:13:14,747 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:13:14,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-10-28 23:13:14,748 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:14,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:14,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:14,748 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:13:14,749 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:13:14,749 INFO L791 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 51#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 56#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 57#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 49#L537-2 [2021-10-28 23:13:14,749 INFO L793 eck$LassoCheckResult]: Loop: 49#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 58#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 48#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 49#L537-2 [2021-10-28 23:13:14,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:14,750 INFO L85 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2021-10-28 23:13:14,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:14,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704526770] [2021-10-28 23:13:14,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:14,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:14,772 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:14,791 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:14,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash 48852, now seen corresponding path program 1 times [2021-10-28 23:13:14,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:14,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049310993] [2021-10-28 23:13:14,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:14,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:14,818 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:14,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:14,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:14,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1807773776, now seen corresponding path program 1 times [2021-10-28 23:13:14,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:14,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304409874] [2021-10-28 23:13:14,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:14,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:14,898 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:14,954 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:15,881 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:13:15,882 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:13:15,882 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:13:15,882 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:13:15,882 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:13:15,882 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:15,882 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:13:15,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:13:15,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: simple-ext.i_Iteration2_Lasso [2021-10-28 23:13:15,883 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:13:15,883 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:13:15,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:15,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:16,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:16,649 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:13:16,655 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:13:16,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:16,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:16,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:16,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:13:16,670 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 [2021-10-28 23:13:16,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:16,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:16,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:16,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:16,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:16,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:16,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:16,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:16,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:16,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:16,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:16,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:16,746 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 [2021-10-28 23:13:16,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:16,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:16,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:16,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:16,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:16,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:16,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:16,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:13:16,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:16,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:16,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:16,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:16,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:16,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:13:16,825 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 [2021-10-28 23:13:16,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:16,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:16,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:16,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:16,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:16,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:16,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:16,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:16,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:16,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:16,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:16,884 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:16,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:13:16,890 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 [2021-10-28 23:13:16,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:16,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:16,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:16,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:16,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:16,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:16,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:16,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:16,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:16,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:16,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:16,931 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:16,939 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 [2021-10-28 23:13:16,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:16,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:16,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:16,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:16,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:13:16,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:16,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:16,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,008 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,014 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 [2021-10-28 23:13:17,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:13:17,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,094 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:13:17,111 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 [2021-10-28 23:13:17,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:17,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:17,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,170 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:13:17,172 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 [2021-10-28 23:13:17,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:17,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:17,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,227 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:13:17,229 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 [2021-10-28 23:13:17,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-28 23:13:17,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,265 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:13:17,267 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 [2021-10-28 23:13:17,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,318 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:13:17,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:17,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:17,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:17,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,379 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,394 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 [2021-10-28 23:13:17,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:13:17,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,453 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,462 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 [2021-10-28 23:13:17,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:13:17,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,527 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,532 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 [2021-10-28 23:13:17,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,542 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:13:17,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,543 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:13:17,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:13:17,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,582 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:13:17,584 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 [2021-10-28 23:13:17,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,631 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:13:17,633 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 [2021-10-28 23:13:17,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:17,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:17,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-10-28 23:13:17,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,706 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:13:17,712 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 [2021-10-28 23:13:17,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,768 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:17,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:13:17,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,831 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:13:17,837 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 [2021-10-28 23:13:17,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,879 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:13:17,880 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 [2021-10-28 23:13:17,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,911 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:13:17,917 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 [2021-10-28 23:13:17,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:17,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,949 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:13:17,950 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 [2021-10-28 23:13:17,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:17,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:17,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:17,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:17,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:17,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-28 23:13:17,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:17,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:17,982 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:17,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:13:17,990 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 [2021-10-28 23:13:17,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:17,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:17,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:17,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:18,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:18,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:18,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:18,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:18,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:18,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:18,028 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:18,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:13:18,030 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 [2021-10-28 23:13:18,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:18,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:18,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:18,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:18,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:18,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:18,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:18,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:18,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:18,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:18,066 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:18,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:13:18,067 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 [2021-10-28 23:13:18,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:18,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:18,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:18,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:18,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:18,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:18,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:18,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:18,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:18,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:18,130 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:18,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:18,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:18,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:18,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:18,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:18,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:18,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:18,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:18,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:13:18,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:18,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 23:13:18,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:18,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:18,183 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:18,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:13:18,185 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 [2021-10-28 23:13:18,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:18,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:18,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:18,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:18,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:18,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:18,210 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:13:18,244 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 23:13:18,244 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-10-28 23:13:18,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:18,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:18,247 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:18,249 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:13:18,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:13:18,276 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:13:18,276 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:13:18,276 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 59 Supporting invariants [] [2021-10-28 23:13:18,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:18,360 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2021-10-28 23:13:18,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:18,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:13:18,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:18,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:13:18,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:18,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:18,508 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 [2021-10-28 23:13:18,509 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:18,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 26 transitions. Complement of second has 7 states. [2021-10-28 23:13:18,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:13:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-28 23:13:18,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-28 23:13:18,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:18,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-28 23:13:18,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:18,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-28 23:13:18,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:18,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2021-10-28 23:13:18,553 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-10-28 23:13:18,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 21 transitions. [2021-10-28 23:13:18,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 23:13:18,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 23:13:18,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-10-28 23:13:18,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:13:18,555 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-28 23:13:18,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-10-28 23:13:18,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 23:13:18,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-10-28 23:13:18,557 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-28 23:13:18,557 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-28 23:13:18,558 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:13:18,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-10-28 23:13:18,558 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-10-28 23:13:18,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:18,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:18,559 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:13:18,559 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:13:18,559 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 161#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 166#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 167#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 168#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 163#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 164#L549-2 [2021-10-28 23:13:18,560 INFO L793 eck$LassoCheckResult]: Loop: 164#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 172#L550 assume !(1 != main_#t~mem10);havoc main_#t~mem10; 173#L550-2 call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem11.base, main_#t~mem11.offset;main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 164#L549-2 [2021-10-28 23:13:18,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:18,560 INFO L85 PathProgramCache]: Analyzing trace with hash 889599219, now seen corresponding path program 1 times [2021-10-28 23:13:18,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:18,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772364551] [2021-10-28 23:13:18,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:18,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:18,577 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:18,593 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:18,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:18,594 INFO L85 PathProgramCache]: Analyzing trace with hash 69737, now seen corresponding path program 1 times [2021-10-28 23:13:18,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:18,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273750768] [2021-10-28 23:13:18,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:18,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:18,600 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:18,607 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:18,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:18,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2102156855, now seen corresponding path program 1 times [2021-10-28 23:13:18,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:18,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078615639] [2021-10-28 23:13:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:18,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:18,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:18,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078615639] [2021-10-28 23:13:18,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078615639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:18,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:18,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:13:18,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438532703] [2021-10-28 23:13:18,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:18,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:18,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:13:18,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:13:18,823 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:18,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:18,914 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2021-10-28 23:13:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:13:18,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2021-10-28 23:13:18,916 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6 [2021-10-28 23:13:18,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 35 transitions. [2021-10-28 23:13:18,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 23:13:18,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 23:13:18,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2021-10-28 23:13:18,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:13:18,919 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-10-28 23:13:18,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2021-10-28 23:13:18,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 18. [2021-10-28 23:13:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-10-28 23:13:18,922 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-10-28 23:13:18,922 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-10-28 23:13:18,922 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:13:18,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-10-28 23:13:18,923 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-10-28 23:13:18,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:18,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:18,923 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:13:18,923 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:13:18,923 INFO L791 eck$LassoCheckResult]: Stem: 220#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 221#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 226#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 227#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 231#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 228#L540 assume main_~t~0.base == 0 && main_~t~0.offset == 0;myexit_#in~s := 1;havoc myexit_~s;myexit_~s := myexit_#in~s; 229#L525-1 [2021-10-28 23:13:18,924 INFO L793 eck$LassoCheckResult]: Loop: 229#L525-1 assume true; 229#L525-1 [2021-10-28 23:13:18,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:18,924 INFO L85 PathProgramCache]: Analyzing trace with hash 889599272, now seen corresponding path program 1 times [2021-10-28 23:13:18,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:18,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216528583] [2021-10-28 23:13:18,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:18,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:18,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:18,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216528583] [2021-10-28 23:13:18,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216528583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:18,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:18,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:13:18,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559232891] [2021-10-28 23:13:18,970 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:13:18,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:18,971 INFO L85 PathProgramCache]: Analyzing trace with hash 102, now seen corresponding path program 1 times [2021-10-28 23:13:18,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:18,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47758392] [2021-10-28 23:13:18,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:18,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:18,974 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:18,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:18,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:18,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:13:18,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:13:18,981 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:18,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:18,988 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2021-10-28 23:13:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:13:18,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-10-28 23:13:18,989 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-10-28 23:13:18,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 21 transitions. [2021-10-28 23:13:18,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 23:13:18,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 23:13:18,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-28 23:13:18,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:18,991 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-28 23:13:18,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-28 23:13:18,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-10-28 23:13:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-10-28 23:13:18,993 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 23:13:18,993 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 23:13:18,993 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:13:18,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-10-28 23:13:18,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:13:18,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:18,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:18,994 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:18,995 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:13:18,995 INFO L791 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 264#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 269#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 270#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 271#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 267#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 268#L549-2 assume !(main_~p~0.base != 0 || main_~p~0.offset != 0); 266#L549-3 main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; 265#L557-2 [2021-10-28 23:13:18,995 INFO L793 eck$LassoCheckResult]: Loop: 265#L557-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem13.base, main_#t~mem13.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~tmp~0.base, main_~tmp~0.offset := main_#t~mem13.base, main_#t~mem13.offset;havoc main_#t~mem13.base, main_#t~mem13.offset;call ULTIMATE.dealloc(main_~p~0.base, main_~p~0.offset);main_~p~0.base, main_~p~0.offset := main_~tmp~0.base, main_~tmp~0.offset; 265#L557-2 [2021-10-28 23:13:18,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:18,996 INFO L85 PathProgramCache]: Analyzing trace with hash 206358786, now seen corresponding path program 1 times [2021-10-28 23:13:18,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:18,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210599191] [2021-10-28 23:13:18,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:18,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:19,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:19,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210599191] [2021-10-28 23:13:19,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210599191] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:19,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:19,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:13:19,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947899050] [2021-10-28 23:13:19,039 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:13:19,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:19,040 INFO L85 PathProgramCache]: Analyzing trace with hash 93, now seen corresponding path program 1 times [2021-10-28 23:13:19,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:19,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815763116] [2021-10-28 23:13:19,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:19,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:19,044 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:19,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:19,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:19,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:13:19,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:13:19,116 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:19,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:19,151 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2021-10-28 23:13:19,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:13:19,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2021-10-28 23:13:19,152 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:13:19,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2021-10-28 23:13:19,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 23:13:19,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 23:13:19,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2021-10-28 23:13:19,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:19,154 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-10-28 23:13:19,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2021-10-28 23:13:19,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-10-28 23:13:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-10-28 23:13:19,156 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-28 23:13:19,156 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-28 23:13:19,156 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 23:13:19,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2021-10-28 23:13:19,157 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:13:19,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:19,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:19,158 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:19,158 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:13:19,158 INFO L791 eck$LassoCheckResult]: Stem: 310#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 311#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 316#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 317#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 319#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 318#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 308#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 309#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 313#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 314#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 320#L550 [2021-10-28 23:13:19,158 INFO L793 eck$LassoCheckResult]: Loop: 320#L550 assume !(1 != main_#t~mem10);havoc main_#t~mem10; 321#L550-2 call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem11.base, main_#t~mem11.offset;main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 322#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 320#L550 [2021-10-28 23:13:19,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:19,159 INFO L85 PathProgramCache]: Analyzing trace with hash 793653610, now seen corresponding path program 1 times [2021-10-28 23:13:19,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:19,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080471863] [2021-10-28 23:13:19,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:19,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:19,174 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:19,200 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:19,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:19,205 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 2 times [2021-10-28 23:13:19,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:19,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587425657] [2021-10-28 23:13:19,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:19,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:19,212 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:19,217 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:19,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:19,218 INFO L85 PathProgramCache]: Analyzing trace with hash -60222244, now seen corresponding path program 1 times [2021-10-28 23:13:19,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:19,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731293590] [2021-10-28 23:13:19,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:19,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:19,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:19,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731293590] [2021-10-28 23:13:19,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731293590] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:19,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514658305] [2021-10-28 23:13:19,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:19,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:13:19,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:19,311 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:13:19,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-28 23:13:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:19,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-28 23:13:19,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:19,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-28 23:13:19,457 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 23:13:19,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-28 23:13:19,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:13:19,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-28 23:13:19,640 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-10-28 23:13:19,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 22 [2021-10-28 23:13:19,687 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-28 23:13:19,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2021-10-28 23:13:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:19,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514658305] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:19,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:13:19,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2021-10-28 23:13:19,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675621764] [2021-10-28 23:13:19,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:19,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 23:13:19,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:13:19,796 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 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) [2021-10-28 23:13:19,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:19,968 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2021-10-28 23:13:19,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:13:19,969 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 27 transitions. [2021-10-28 23:13:19,970 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:13:19,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 22 states and 24 transitions. [2021-10-28 23:13:19,970 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 23:13:19,970 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 23:13:19,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2021-10-28 23:13:19,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:19,971 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-10-28 23:13:19,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2021-10-28 23:13:19,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2021-10-28 23:13:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-10-28 23:13:19,973 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-10-28 23:13:19,973 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-10-28 23:13:19,973 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 23:13:19,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2021-10-28 23:13:19,973 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:13:19,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:19,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:19,974 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:19,974 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:13:19,974 INFO L791 eck$LassoCheckResult]: Stem: 409#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 410#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 415#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 416#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 419#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 420#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 407#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 408#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 417#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 418#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 424#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 412#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 413#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 421#L550 [2021-10-28 23:13:19,974 INFO L793 eck$LassoCheckResult]: Loop: 421#L550 assume !(1 != main_#t~mem10);havoc main_#t~mem10; 422#L550-2 call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem11.base, main_#t~mem11.offset;main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 423#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 421#L550 [2021-10-28 23:13:19,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:19,975 INFO L85 PathProgramCache]: Analyzing trace with hash -8921739, now seen corresponding path program 2 times [2021-10-28 23:13:19,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:19,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288035988] [2021-10-28 23:13:19,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:19,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:20,019 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:20,072 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:20,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:20,076 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 3 times [2021-10-28 23:13:20,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:20,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413448507] [2021-10-28 23:13:20,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:20,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:20,082 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:20,087 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:20,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:20,088 INFO L85 PathProgramCache]: Analyzing trace with hash 500492529, now seen corresponding path program 2 times [2021-10-28 23:13:20,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:20,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334397072] [2021-10-28 23:13:20,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:20,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:20,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:20,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334397072] [2021-10-28 23:13:20,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334397072] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:20,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972368009] [2021-10-28 23:13:20,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:13:20,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:13:20,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:20,257 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:13:20,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-28 23:13:20,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:13:20,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:13:20,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-28 23:13:20,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:20,441 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 23:13:20,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-28 23:13:20,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-28 23:13:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 23:13:20,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-28 23:13:20,557 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 23:13:20,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-28 23:13:20,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-10-28 23:13:20,648 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-10-28 23:13:20,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2021-10-28 23:13:20,729 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-10-28 23:13:20,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 22 [2021-10-28 23:13:20,776 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-28 23:13:20,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2021-10-28 23:13:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:20,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972368009] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:20,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:13:20,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 16 [2021-10-28 23:13:20,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352663932] [2021-10-28 23:13:20,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:20,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 23:13:20,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:13:20,879 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:20,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:20,985 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2021-10-28 23:13:20,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:13:20,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2021-10-28 23:13:20,986 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:13:20,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-10-28 23:13:20,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:13:20,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:13:20,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:13:20,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:20,987 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:13:20,987 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:13:20,987 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:13:20,987 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 23:13:20,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:13:20,987 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:13:20,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:13:20,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:13:20 BoogieIcfgContainer [2021-10-28 23:13:20,992 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:13:20,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:13:20,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:13:20,993 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:13:20,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:14" (3/4) ... [2021-10-28 23:13:20,997 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:13:20,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:13:20,998 INFO L168 Benchmark]: Toolchain (without parser) took 8031.88 ms. Allocated memory was 96.5 MB in the beginning and 148.9 MB in the end (delta: 52.4 MB). Free memory was 55.4 MB in the beginning and 89.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:20,998 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:13:20,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.20 ms. Allocated memory is still 96.5 MB. Free memory was 55.2 MB in the beginning and 64.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:20,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.39 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 62.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:20,999 INFO L168 Benchmark]: Boogie Preprocessor took 48.88 ms. Allocated memory is still 96.5 MB. Free memory was 62.5 MB in the beginning and 61.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:21,000 INFO L168 Benchmark]: RCFGBuilder took 542.85 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 49.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:21,000 INFO L168 Benchmark]: BuchiAutomizer took 6698.58 ms. Allocated memory was 96.5 MB in the beginning and 148.9 MB in the end (delta: 52.4 MB). Free memory was 49.2 MB in the beginning and 90.5 MB in the end (delta: -41.4 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:21,001 INFO L168 Benchmark]: Witness Printer took 4.07 ms. Allocated memory is still 148.9 MB. Free memory was 90.5 MB in the beginning and 89.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:21,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 643.20 ms. Allocated memory is still 96.5 MB. Free memory was 55.2 MB in the beginning and 64.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.39 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 62.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.88 ms. Allocated memory is still 96.5 MB. Free memory was 62.5 MB in the beginning and 61.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 542.85 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 49.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6698.58 ms. Allocated memory was 96.5 MB in the beginning and 148.9 MB in the end (delta: 52.4 MB). Free memory was 49.2 MB in the beginning and 90.5 MB in the end (delta: -41.4 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.07 ms. Allocated memory is still 148.9 MB. Free memory was 90.5 MB in the beginning and 89.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (6 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 59 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 5.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 68 SDtfs, 110 SDslu, 63 SDs, 0 SdLazy, 247 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN2 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital244 mio100 ax107 hnf100 lsp88 ukn49 mio100 lsp27 div100 bol100 ite100 ukn100 eq151 hnf95 smp100 dnf168 smp92 tf100 neg94 sie136 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2021-10-28 23:13:21,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:21,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-10-28 23:13:21,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc6518e-7e91-4bc5-875d-267a9f97cf48/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...