./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrcmp.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/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_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrcmp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/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 64bit --witnessprinter.graph.data.programhash f94b058015be4fc42a3d40d63b8ed2b8d3be3933ae3f7b0cb4e17bd99a68e898 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:33:46,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:33:46,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:33:46,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:33:46,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:33:46,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:33:46,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:33:46,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:33:46,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:33:46,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:33:46,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:33:46,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:33:46,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:33:46,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:33:46,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:33:46,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:33:46,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:33:46,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:33:46,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:33:46,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:33:46,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:33:46,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:33:46,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:33:46,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:33:46,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:33:46,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:33:46,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:33:46,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:33:46,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:33:46,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:33:46,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:33:46,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:33:46,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:33:46,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:33:46,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:33:46,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:33:46,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:33:46,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:33:46,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:33:46,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:33:46,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:33:46,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:33:46,837 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:33:46,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:33:46,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:33:46,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:33:46,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:33:46,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:33:46,840 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:33:46,841 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:33:46,841 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:33:46,841 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:33:46,841 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:33:46,842 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:33:46,842 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:33:46,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:33:46,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:33:46,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:33:46,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:33:46,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:33:46,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:33:46,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:33:46,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:33:46,844 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:33:46,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:33:46,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:33:46,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:33:46,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:33:46,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:33:46,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:33:46,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:33:46,847 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:33:46,848 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_7351c1fd-ba43-4145-a073-ef2a665bed30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f94b058015be4fc42a3d40d63b8ed2b8d3be3933ae3f7b0cb4e17bd99a68e898 [2021-10-28 23:33:47,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:33:47,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:33:47,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:33:47,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:33:47,171 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:33:47,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted-lit/cstrcmp.c [2021-10-28 23:33:47,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/data/2b45a484f/af078041b8d042d6b95aad662c224370/FLAG5b26879dd [2021-10-28 23:33:47,728 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:33:47,729 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/sv-benchmarks/c/termination-crafted-lit/cstrcmp.c [2021-10-28 23:33:47,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/data/2b45a484f/af078041b8d042d6b95aad662c224370/FLAG5b26879dd [2021-10-28 23:33:48,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/data/2b45a484f/af078041b8d042d6b95aad662c224370 [2021-10-28 23:33:48,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:33:48,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:33:48,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:33:48,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:33:48,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:33:48,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f153b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48, skipping insertion in model container [2021-10-28 23:33:48,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:33:48,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:33:48,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:33:48,355 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:33:48,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:33:48,387 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:33:48,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48 WrapperNode [2021-10-28 23:33:48,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:33:48,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:33:48,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:33:48,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:33:48,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:33:48,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:33:48,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:33:48,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:33:48,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:33:48,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:33:48,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:33:48,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:33:48,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (1/1) ... [2021-10-28 23:33:48,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:48,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:48,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:48,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:33:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:33:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:33:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:33:48,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:33:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:33:48,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:33:48,814 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-28 23:33:48,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:33:48 BoogieIcfgContainer [2021-10-28 23:33:48,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:33:48,817 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:33:48,817 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:33:48,821 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:33:48,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:33:48,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:33:48" (1/3) ... [2021-10-28 23:33:48,824 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32f45bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:33:48, skipping insertion in model container [2021-10-28 23:33:48,824 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:33:48,824 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:33:48" (2/3) ... [2021-10-28 23:33:48,825 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32f45bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:33:48, skipping insertion in model container [2021-10-28 23:33:48,825 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:33:48,825 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:33:48" (3/3) ... [2021-10-28 23:33:48,826 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcmp.c [2021-10-28 23:33:48,879 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:33:48,879 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:33:48,880 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:33:48,880 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:33:48,880 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:33:48,880 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:33:48,880 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:33:48,881 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:33:48,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.3529411764705883) 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 23:33:48,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:33:48,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:33:48,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:33:48,931 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:48,931 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:33:48,932 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:33:48,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.3529411764705883) 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 23:33:48,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:33:48,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:33:48,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:33:48,937 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:48,937 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:33:48,945 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_#t~ret13;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 9#L14true assume !(build_nondet_String_~length~0 < 1); 18#L14-2true call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 16#L19true main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 10#L14-3true assume build_nondet_String_~length~0 < 1;build_nondet_String_~length~0 := 1; 14#L14-5true call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 7#L19-1true main_#t~ret12.base, main_#t~ret12.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 17#L32-5true [2021-10-28 23:33:48,946 INFO L793 eck$LassoCheckResult]: Loop: 17#L32-5true call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 6#L32-1true assume cstrcmp_#t~short5;call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem4 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short5 := cstrcmp_#t~mem3 == cstrcmp_#t~mem4; 13#L32-3true assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 17#L32-5true [2021-10-28 23:33:48,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:48,953 INFO L85 PathProgramCache]: Analyzing trace with hash 176610378, now seen corresponding path program 1 times [2021-10-28 23:33:48,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:48,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806785231] [2021-10-28 23:33:48,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:48,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:49,106 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:49,177 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:33:49,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:49,185 INFO L85 PathProgramCache]: Analyzing trace with hash 54720, now seen corresponding path program 1 times [2021-10-28 23:33:49,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:49,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581455136] [2021-10-28 23:33:49,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:49,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:49,202 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:49,220 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:33:49,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:49,228 INFO L85 PathProgramCache]: Analyzing trace with hash 64858327, now seen corresponding path program 1 times [2021-10-28 23:33:49,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:49,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201583136] [2021-10-28 23:33:49,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:49,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:49,646 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 23:33:49,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:33:49,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201583136] [2021-10-28 23:33:49,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201583136] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:33:49,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:33:49,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:33:49,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312186407] [2021-10-28 23:33:49,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:33:50,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:33:50,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:33:50,015 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.3529411764705883) 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) Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 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 23:33:50,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:33:50,271 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2021-10-28 23:33:50,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:33:50,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 51 transitions. [2021-10-28 23:33:50,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 23:33:50,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 21 states and 25 transitions. [2021-10-28 23:33:50,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-28 23:33:50,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-10-28 23:33:50,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2021-10-28 23:33:50,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:33:50,293 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-28 23:33:50,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2021-10-28 23:33:50,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2021-10-28 23:33:50,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 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 23:33:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-10-28 23:33:50,328 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-28 23:33:50,329 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-28 23:33:50,329 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:33:50,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2021-10-28 23:33:50,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:33:50,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:33:50,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:33:50,337 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:50,337 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:33:50,338 INFO L791 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 86#L-1 havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_#t~ret13;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 93#L14 assume !(build_nondet_String_~length~0 < 1); 97#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 94#L19 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 95#L14-3 assume !(build_nondet_String_~length~0 < 1); 98#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 92#L19-1 main_#t~ret12.base, main_#t~ret12.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 89#L32-5 [2021-10-28 23:33:50,339 INFO L793 eck$LassoCheckResult]: Loop: 89#L32-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 96#L32-1 assume cstrcmp_#t~short5;call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem4 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short5 := cstrcmp_#t~mem3 == cstrcmp_#t~mem4; 88#L32-3 assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 89#L32-5 [2021-10-28 23:33:50,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:50,343 INFO L85 PathProgramCache]: Analyzing trace with hash 176612300, now seen corresponding path program 1 times [2021-10-28 23:33:50,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:50,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497002445] [2021-10-28 23:33:50,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:50,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:50,401 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:50,449 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:33:50,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:50,457 INFO L85 PathProgramCache]: Analyzing trace with hash 54720, now seen corresponding path program 2 times [2021-10-28 23:33:50,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:50,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514092498] [2021-10-28 23:33:50,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:50,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:50,473 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:50,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:33:50,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:50,484 INFO L85 PathProgramCache]: Analyzing trace with hash 122116629, now seen corresponding path program 1 times [2021-10-28 23:33:50,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:50,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913960351] [2021-10-28 23:33:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:50,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:50,520 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:50,577 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:33:51,440 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:33:51,441 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:33:51,441 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:33:51,441 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:33:51,441 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:33:51,441 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:51,441 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:33:51,442 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:33:51,442 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp.c_Iteration2_Lasso [2021-10-28 23:33:51,442 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:33:51,442 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:33:51,479 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 23:33:51,485 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 23:33:51,487 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 23:33:51,501 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 23:33:51,506 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 23:33:51,508 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 23:33:51,511 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 23:33:51,515 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 23:33:51,521 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 23:33:51,944 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 23:33:51,947 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 23:33:51,950 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 23:33:51,952 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 23:33:51,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:33:51,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:33:51,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:33:51,963 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 23:33:51,965 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 23:33:51,968 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 23:33:51,971 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 23:33:51,973 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 23:33:51,976 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 23:33:52,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:33:52,730 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:33:52,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:52,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:52,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:52,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:33:52,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:33:52,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:52,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:33:52,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:52,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:52,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:52,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:33:52,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:33:52,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:52,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:52,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:52,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:52,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:52,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:33:52,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:33:52,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:52,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:33:52,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:52,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:52,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:52,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:33:52,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:33:52,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:52,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:52,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:52,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:52,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:52,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:33:52,870 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 23:33:52,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:52,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:52,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:52,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:52,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:33:52,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:33:52,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:52,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:52,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:52,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:52,942 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:52,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:33:52,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:33:52,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:52,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:33:52,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:52,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:52,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:52,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:33:52,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:33:52,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:52,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:52,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:52,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:53,005 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:53,011 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 23:33:53,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:53,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:33:53,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:53,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:53,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:53,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:33:53,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:33:53,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:33:53,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:53,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:53,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:53,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:53,084 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:53,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:33:53,088 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 23:33:53,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:53,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:33:53,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:53,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:53,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:53,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:33:53,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:33:53,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:53,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 23:33:53,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:53,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:53,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:53,164 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 23:33:53,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:33:53,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:53,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:33:53,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:53,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:53,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:53,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:33:53,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:33:53,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:53,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:53,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:53,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:53,237 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:53,244 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 23:33:53,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:53,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:33:53,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:53,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:53,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:53,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:33:53,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:33:53,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:33:53,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:53,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:53,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:53,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:53,310 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:53,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:33:53,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:33:53,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:53,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:53,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:53,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:53,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:33:53,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:33:53,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:53,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:53,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:53,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:53,383 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:53,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:33:53,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:53,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:53,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:53,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:53,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:33:53,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:33:53,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:33:53,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:33:53,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:53,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:53,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:53,462 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:53,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:33:53,464 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 23:33:53,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:33:53,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:33:53,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:33:53,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:33:53,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:33:53,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:33:53,528 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:33:53,614 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 23:33:53,614 INFO L444 ModelExtractionUtils]: 28 out of 40 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-28 23:33:53,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:33:53,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:33:53,633 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:33:53,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:33:53,697 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:33:53,724 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:33:53,724 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:33:53,725 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s2.offset, v_rep(select #length ULTIMATE.start_build_nondet_String_~nondetString~0.base)_1) = -1*ULTIMATE.start_cstrcmp_~s2.offset + 1*v_rep(select #length ULTIMATE.start_build_nondet_String_~nondetString~0.base)_1 Supporting invariants [] [2021-10-28 23:33:53,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:53,809 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-10-28 23:33:53,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:53,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:33:53,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:53,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:33:53,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:33:54,015 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 23:33:54,023 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 23:33:54,024 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 23:33:54,107 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 24 states and 31 transitions. Complement of second has 7 states. [2021-10-28 23:33:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:33:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 23:33:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-10-28 23:33:54,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-28 23:33:54,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:33:54,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 3 letters. [2021-10-28 23:33:54,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:33:54,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-28 23:33:54,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:33:54,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-10-28 23:33:54,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:33:54,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 23 states and 29 transitions. [2021-10-28 23:33:54,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 23:33:54,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 23:33:54,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2021-10-28 23:33:54,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:33:54,121 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-10-28 23:33:54,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2021-10-28 23:33:54,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2021-10-28 23:33:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 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 23:33:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2021-10-28 23:33:54,127 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-10-28 23:33:54,127 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-10-28 23:33:54,127 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:33:54,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2021-10-28 23:33:54,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:33:54,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:33:54,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:33:54,132 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:33:54,132 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:33:54,132 INFO L791 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 233#L-1 havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_#t~ret13;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 244#L14 assume !(build_nondet_String_~length~0 < 1); 249#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 247#L19 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 248#L14-3 assume !(build_nondet_String_~length~0 < 1); 241#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 242#L19-1 main_#t~ret12.base, main_#t~ret12.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 243#L32-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 238#L32-1 [2021-10-28 23:33:54,132 INFO L793 eck$LassoCheckResult]: Loop: 238#L32-1 assume !cstrcmp_#t~short5; 234#L32-3 assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 235#L32-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 238#L32-1 [2021-10-28 23:33:54,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:54,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1180014029, now seen corresponding path program 1 times [2021-10-28 23:33:54,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:54,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252357214] [2021-10-28 23:33:54,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:54,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:54,193 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:33:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:33:54,226 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:33:54,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:33:54,226 INFO L85 PathProgramCache]: Analyzing trace with hash 59762, now seen corresponding path program 1 times [2021-10-28 23:33:54,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:33:54,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72899962] [2021-10-28 23:33:54,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:33:54,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:33:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:33:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:33:54,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:33:54,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72899962] [2021-10-28 23:33:54,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72899962] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:33:54,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:33:54,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:33:54,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867386082] [2021-10-28 23:33:54,251 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:33:54,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:33:54,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:33:54,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:33:54,252 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 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 23:33:54,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:33:54,262 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2021-10-28 23:33:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:33:54,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-10-28 23:33:54,265 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:33:54,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-10-28 23:33:54,265 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:33:54,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:33:54,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:33:54,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:33:54,265 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:33:54,265 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:33:54,265 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:33:54,266 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:33:54,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:33:54,266 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:33:54,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:33:54,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:33:54 BoogieIcfgContainer [2021-10-28 23:33:54,273 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:33:54,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:33:54,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:33:54,273 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:33:54,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:33:48" (3/4) ... [2021-10-28 23:33:54,277 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:33:54,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:33:54,279 INFO L168 Benchmark]: Toolchain (without parser) took 6165.07 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 68.3 MB in the beginning and 66.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:54,280 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 111.1 MB. Free memory is still 84.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:33:54,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.32 ms. Allocated memory is still 111.1 MB. Free memory was 68.1 MB in the beginning and 84.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:54,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.88 ms. Allocated memory is still 111.1 MB. Free memory was 84.8 MB in the beginning and 83.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:54,286 INFO L168 Benchmark]: Boogie Preprocessor took 29.78 ms. Allocated memory is still 111.1 MB. Free memory was 83.2 MB in the beginning and 82.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:54,287 INFO L168 Benchmark]: RCFGBuilder took 353.98 ms. Allocated memory is still 111.1 MB. Free memory was 81.8 MB in the beginning and 71.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:54,290 INFO L168 Benchmark]: BuchiAutomizer took 5455.73 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 71.3 MB in the beginning and 66.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:33:54,290 INFO L168 Benchmark]: Witness Printer took 4.09 ms. Allocated memory is still 134.2 MB. Free memory is still 66.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:33:54,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 111.1 MB. Free memory is still 84.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.32 ms. Allocated memory is still 111.1 MB. Free memory was 68.1 MB in the beginning and 84.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.88 ms. Allocated memory is still 111.1 MB. Free memory was 84.8 MB in the beginning and 83.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.78 ms. Allocated memory is still 111.1 MB. Free memory was 83.2 MB in the beginning and 82.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 353.98 ms. Allocated memory is still 111.1 MB. Free memory was 81.8 MB in the beginning and 71.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5455.73 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 71.3 MB in the beginning and 66.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.09 ms. Allocated memory is still 134.2 MB. Free memory is still 66.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s2 + unknown-#length-unknown[nondetString] and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 49 SDtfs, 64 SDslu, 103 SDs, 0 SdLazy, 88 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital214 mio100 ax100 hnf100 lsp97 ukn83 mio100 lsp46 div100 bol100 ite100 ukn100 eq193 hnf88 smp100 dnf174 smp91 tf100 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms 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 23:33:54,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:33:54,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7351c1fd-ba43-4145-a073-ef2a665bed30/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...