./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i --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_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/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_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/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_6f6b10b1-9b25-4450-8a88-a031b8795799/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 67d91fe988a5bea7f4f6db216a73a82ee0094f62bf84b78c7b55840363e5e889 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:01:23,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:01:23,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:01:23,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:01:23,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:01:23,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:01:23,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:01:23,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:01:23,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:01:23,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:01:23,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:01:23,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:01:23,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:01:23,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:01:23,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:01:23,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:01:23,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:01:23,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:01:23,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:01:23,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:01:23,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:01:23,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:01:23,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:01:23,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:01:23,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:01:23,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:01:23,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:01:23,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:01:23,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:01:23,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:01:23,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:01:23,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:01:23,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:01:23,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:01:23,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:01:23,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:01:23,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:01:23,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:01:23,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:01:23,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:01:23,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:01:23,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-29 00:01:23,897 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:01:23,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:01:23,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:01:23,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:01:23,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:01:23,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:01:23,901 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:01:23,901 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-29 00:01:23,902 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-29 00:01:23,902 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-29 00:01:23,903 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-29 00:01:23,904 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-29 00:01:23,904 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-29 00:01:23,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:01:23,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:01:23,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:01:23,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:01:23,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-29 00:01:23,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-29 00:01:23,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-29 00:01:23,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:01:23,906 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-29 00:01:23,907 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:01:23,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-29 00:01:23,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:01:23,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:01:23,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:01:23,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:01:23,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:01:23,911 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-29 00:01:23,912 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_6f6b10b1-9b25-4450-8a88-a031b8795799/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d91fe988a5bea7f4f6db216a73a82ee0094f62bf84b78c7b55840363e5e889 [2021-10-29 00:01:24,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:01:24,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:01:24,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:01:24,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:01:24,233 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:01:24,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2021-10-29 00:01:24,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/data/fc4f7b0c3/3f7a991702504d1da89abb83a15d8e28/FLAG0db55a236 [2021-10-29 00:01:24,838 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:01:24,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2021-10-29 00:01:24,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/data/fc4f7b0c3/3f7a991702504d1da89abb83a15d8e28/FLAG0db55a236 [2021-10-29 00:01:25,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/data/fc4f7b0c3/3f7a991702504d1da89abb83a15d8e28 [2021-10-29 00:01:25,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:01:25,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:01:25,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:01:25,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:01:25,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:01:25,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e09bf9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25, skipping insertion in model container [2021-10-29 00:01:25,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:01:25,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:01:25,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:01:25,455 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:01:25,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:01:25,500 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:01:25,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25 WrapperNode [2021-10-29 00:01:25,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:01:25,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:01:25,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:01:25,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:01:25,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:01:25,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:01:25,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:01:25,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:01:25,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:01:25,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:01:25,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:01:25,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:01:25,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (1/1) ... [2021-10-29 00:01:25,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:25,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:25,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:25,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-29 00:01:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 00:01:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-10-29 00:01:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-10-29 00:01:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 00:01:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:01:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:01:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 00:01:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 00:01:25,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:01:25,917 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 00:01:25,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:01:25 BoogieIcfgContainer [2021-10-29 00:01:25,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:01:25,920 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-29 00:01:25,920 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-29 00:01:25,924 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-29 00:01:25,925 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:01:25,925 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.10 12:01:25" (1/3) ... [2021-10-29 00:01:25,927 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@319df0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:01:25, skipping insertion in model container [2021-10-29 00:01:25,927 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:01:25,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:25" (2/3) ... [2021-10-29 00:01:25,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@319df0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:01:25, skipping insertion in model container [2021-10-29 00:01:25,928 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:01:25,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:01:25" (3/3) ... [2021-10-29 00:01:25,930 INFO L389 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11B.i [2021-10-29 00:01:25,980 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-29 00:01:25,980 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-29 00:01:25,980 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-29 00:01:25,981 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-29 00:01:25,981 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-29 00:01:25,981 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-29 00:01:25,981 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-29 00:01:25,981 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-29 00:01:26,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-29 00:01:26,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-29 00:01:26,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:01:26,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:01:26,064 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-29 00:01:26,064 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:26,064 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-29 00:01:26,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-29 00:01:26,068 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-29 00:01:26,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:01:26,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:01:26,070 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-29 00:01:26,070 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:26,078 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 13#L28-3true [2021-10-29 00:01:26,079 INFO L793 eck$LassoCheckResult]: Loop: 13#L28-3true call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 11#L28-1true assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 7#L33true call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 12#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 10#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 17#recFINALtrue assume true; 14#recEXITtrue >#39#return; 6#L33-1true assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 15#L33-3true call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 13#L28-3true [2021-10-29 00:01:26,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:26,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2021-10-29 00:01:26,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:26,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538245515] [2021-10-29 00:01:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:26,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:26,206 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:26,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:26,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:26,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1673639481, now seen corresponding path program 1 times [2021-10-29 00:01:26,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:26,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977011044] [2021-10-29 00:01:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:26,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:26,315 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:26,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:26,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:26,415 INFO L85 PathProgramCache]: Analyzing trace with hash -508919995, now seen corresponding path program 1 times [2021-10-29 00:01:26,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:26,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752147505] [2021-10-29 00:01:26,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:26,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:26,454 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:26,496 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:27,625 INFO L210 LassoAnalysis]: Preferences: [2021-10-29 00:01:27,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-29 00:01:27,626 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-29 00:01:27,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-29 00:01:27,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-29 00:01:27,627 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:27,627 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-29 00:01:27,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-29 00:01:27,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration1_Lasso [2021-10-29 00:01:27,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-29 00:01:27,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-29 00:01:27,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:27,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:28,060 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-29 00:01:28,065 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-29 00:01:28,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:28,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:28,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:28,087 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 [2021-10-29 00:01:28,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:28,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:28,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:28,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:28,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:28,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:28,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:28,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-29 00:01:28,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:28,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-29 00:01:28,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:28,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:28,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:28,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-29 00:01:28,171 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 [2021-10-29 00:01:28,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:28,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:28,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:28,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:28,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:28,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:28,210 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-29 00:01:28,233 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-29 00:01:28,233 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-29 00:01:28,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:28,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:28,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:28,259 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-29 00:01:28,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-29 00:01:28,282 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-29 00:01:28,282 INFO L513 LassoAnalysis]: Proved termination. [2021-10-29 00:01:28,283 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2021-10-29 00:01:28,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:28,337 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-10-29 00:01:28,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:28,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 00:01:28,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:28,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-29 00:01:28,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:28,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-10-29 00:01:28,672 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-29 00:01:28,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-29 00:01:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:28,806 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-10-29 00:01:28,808 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-29 00:01:28,971 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 65 states and 78 transitions. Complement of second has 18 states. [2021-10-29 00:01:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-10-29 00:01:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-29 00:01:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 24 transitions. [2021-10-29 00:01:28,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 2 letters. Loop has 9 letters. [2021-10-29 00:01:28,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:28,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 11 letters. Loop has 9 letters. [2021-10-29 00:01:28,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:28,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 2 letters. Loop has 18 letters. [2021-10-29 00:01:28,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:28,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 78 transitions. [2021-10-29 00:01:28,989 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-29 00:01:28,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 47 states and 58 transitions. [2021-10-29 00:01:28,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-29 00:01:28,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-29 00:01:28,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 58 transitions. [2021-10-29 00:01:28,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-29 00:01:29,000 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 58 transitions. [2021-10-29 00:01:29,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 58 transitions. [2021-10-29 00:01:29,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2021-10-29 00:01:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-10-29 00:01:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2021-10-29 00:01:29,037 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-29 00:01:29,037 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-29 00:01:29,037 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-29 00:01:29,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 57 transitions. [2021-10-29 00:01:29,040 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-29 00:01:29,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:01:29,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:01:29,041 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:29,041 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-29 00:01:29,041 INFO L791 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 168#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 187#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 190#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 170#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 192#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 188#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 180#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 181#recENTRY [2021-10-29 00:01:29,041 INFO L793 eck$LassoCheckResult]: Loop: 181#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 212#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 197#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 181#recENTRY [2021-10-29 00:01:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:29,042 INFO L85 PathProgramCache]: Analyzing trace with hash -15731550, now seen corresponding path program 1 times [2021-10-29 00:01:29,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:29,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179752972] [2021-10-29 00:01:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:29,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:29,072 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:29,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:29,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:29,139 INFO L85 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 1 times [2021-10-29 00:01:29,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:29,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857675993] [2021-10-29 00:01:29,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:29,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:29,151 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:29,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:29,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:29,165 INFO L85 PathProgramCache]: Analyzing trace with hash -507170626, now seen corresponding path program 2 times [2021-10-29 00:01:29,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:29,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641554147] [2021-10-29 00:01:29,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:29,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:29,200 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:29,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:29,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:31,604 INFO L210 LassoAnalysis]: Preferences: [2021-10-29 00:01:31,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-29 00:01:31,604 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-29 00:01:31,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-29 00:01:31,604 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-29 00:01:31,604 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:31,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-29 00:01:31,605 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-29 00:01:31,605 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration2_Lasso [2021-10-29 00:01:31,605 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-29 00:01:31,605 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-29 00:01:31,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:31,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:32,439 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-29 00:01:32,439 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-29 00:01:32,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,467 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-29 00:01:32,469 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 [2021-10-29 00:01:32,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:32,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-29 00:01:32,512 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 [2021-10-29 00:01:32,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-29 00:01:32,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,552 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-29 00:01:32,556 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 [2021-10-29 00:01:32,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:32,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,608 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-29 00:01:32,611 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 [2021-10-29 00:01:32,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:32,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,644 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-29 00:01:32,645 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 [2021-10-29 00:01:32,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:32,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,678 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-29 00:01:32,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:32,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:32,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:32,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:32,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,735 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-29 00:01:32,745 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 [2021-10-29 00:01:32,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:32,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,795 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-29 00:01:32,797 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 [2021-10-29 00:01:32,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:32,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,838 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-29 00:01:32,841 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 [2021-10-29 00:01:32,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:32,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,891 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-29 00:01:32,898 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 [2021-10-29 00:01:32,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:32,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:32,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:32,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:32,950 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:32,972 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 [2021-10-29 00:01:32,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:32,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:32,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:32,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:32,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:32,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:32,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:32,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-29 00:01:32,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:33,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:33,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:33,043 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:33,051 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 [2021-10-29 00:01:33,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-29 00:01:33,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:33,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:33,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:33,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:33,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:33,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:33,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:33,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:33,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:33,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:33,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:33,095 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:33,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-29 00:01:33,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:33,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:33,108 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2021-10-29 00:01:33,108 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-29 00:01:33,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:33,131 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2021-10-29 00:01:33,132 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-29 00:01:33,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:33,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:33,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:33,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:33,190 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:33,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-29 00:01:33,194 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 [2021-10-29 00:01:33,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:33,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:33,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:33,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:33,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:33,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:33,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:33,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:33,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:33,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:33,260 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:33,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-29 00:01:33,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:33,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:33,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:33,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:33,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:33,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:33,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:33,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:33,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:33,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:33,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:33,337 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:33,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-29 00:01:33,340 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 [2021-10-29 00:01:33,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:33,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:33,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:33,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:33,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:33,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:33,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:33,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:33,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:33,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:33,383 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:33,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-29 00:01:33,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:33,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:33,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:33,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:33,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:33,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:33,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:33,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:33,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:33,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:33,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:33,467 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:33,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-29 00:01:33,469 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 [2021-10-29 00:01:33,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:33,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:33,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:33,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:33,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:33,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:33,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:33,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-29 00:01:33,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:33,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:33,517 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:33,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-29 00:01:33,519 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 [2021-10-29 00:01:33,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:33,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:33,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:33,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:33,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:33,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:33,569 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-29 00:01:33,606 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-29 00:01:33,606 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-29 00:01:33,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:33,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:33,619 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:33,629 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-29 00:01:33,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-29 00:01:33,660 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-29 00:01:33,660 INFO L513 LassoAnalysis]: Proved termination. [2021-10-29 00:01:33,660 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) 0)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) 0)_1 + 1 Supporting invariants [] [2021-10-29 00:01:33,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:33,706 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-10-29 00:01:33,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:33,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-29 00:01:33,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:33,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 00:01:33,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:33,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 00:01:33,959 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-10-29 00:01:33,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-10-29 00:01:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:34,022 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-29 00:01:34,022 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 57 transitions. cyclomatic complexity: 16 Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:34,178 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 57 transitions. cyclomatic complexity: 16. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 128 states and 165 transitions. Complement of second has 18 states. [2021-10-29 00:01:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-29 00:01:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2021-10-29 00:01:34,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-29 00:01:34,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:34,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 11 letters. Loop has 3 letters. [2021-10-29 00:01:34,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:34,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-29 00:01:34,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:34,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 165 transitions. [2021-10-29 00:01:34,200 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-10-29 00:01:34,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 110 states and 147 transitions. [2021-10-29 00:01:34,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-10-29 00:01:34,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2021-10-29 00:01:34,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 147 transitions. [2021-10-29 00:01:34,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-29 00:01:34,215 INFO L681 BuchiCegarLoop]: Abstraction has 110 states and 147 transitions. [2021-10-29 00:01:34,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 147 transitions. [2021-10-29 00:01:34,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2021-10-29 00:01:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 78 states have internal predecessors, (92), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (26), 11 states have call predecessors, (26), 17 states have call successors, (26) [2021-10-29 00:01:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 135 transitions. [2021-10-29 00:01:34,253 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 135 transitions. [2021-10-29 00:01:34,253 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 135 transitions. [2021-10-29 00:01:34,253 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-29 00:01:34,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 135 transitions. [2021-10-29 00:01:34,259 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-10-29 00:01:34,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:01:34,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:01:34,264 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:34,264 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:34,265 INFO L791 eck$LassoCheckResult]: Stem: 428#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 429#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 452#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 464#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 516#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 517#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 519#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 518#recFINAL assume true; 515#recEXIT >#39#return; 442#L33-1 assume !(main_#t~ret11 <= -1);main_#t~ite12 := 1; 443#L33-3 [2021-10-29 00:01:34,265 INFO L793 eck$LassoCheckResult]: Loop: 443#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 503#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 502#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 477#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 501#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 500#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 490#recFINAL assume true; 476#recEXIT >#39#return; 473#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 443#L33-3 [2021-10-29 00:01:34,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:34,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2061793209, now seen corresponding path program 1 times [2021-10-29 00:01:34,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:34,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452742494] [2021-10-29 00:01:34,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:34,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-29 00:01:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:34,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:01:34,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452742494] [2021-10-29 00:01:34,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452742494] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:01:34,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:01:34,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:01:34,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343926607] [2021-10-29 00:01:34,450 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-29 00:01:34,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:34,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 2 times [2021-10-29 00:01:34,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:34,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137160521] [2021-10-29 00:01:34,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:34,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:34,467 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:34,493 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:34,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:35,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:01:35,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 00:01:35,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 00:01:35,131 INFO L87 Difference]: Start difference. First operand 104 states and 135 transitions. cyclomatic complexity: 41 Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-29 00:01:35,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:01:35,206 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2021-10-29 00:01:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 00:01:35,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 123 transitions. [2021-10-29 00:01:35,214 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-10-29 00:01:35,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 92 states and 117 transitions. [2021-10-29 00:01:35,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-10-29 00:01:35,218 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2021-10-29 00:01:35,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 117 transitions. [2021-10-29 00:01:35,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-29 00:01:35,218 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2021-10-29 00:01:35,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 117 transitions. [2021-10-29 00:01:35,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2021-10-29 00:01:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 68 states have internal predecessors, (75), 14 states have call successors, (14), 11 states have call predecessors, (14), 14 states have return successors, (26), 10 states have call predecessors, (26), 14 states have call successors, (26) [2021-10-29 00:01:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2021-10-29 00:01:35,229 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-10-29 00:01:35,229 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-10-29 00:01:35,229 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-29 00:01:35,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2021-10-29 00:01:35,232 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-10-29 00:01:35,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:01:35,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:01:35,234 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:35,234 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:35,235 INFO L791 eck$LassoCheckResult]: Stem: 657#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 658#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 669#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 711#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 691#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 710#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 709#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 649#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 707#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 708#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 721#recFINAL assume true; 701#recEXIT >#37#return; 699#L19-1 #res := #t~ret5;havoc #t~ret5; 696#recFINAL assume true; 690#recEXIT >#39#return; 659#L33-1 assume !(main_#t~ret11 <= -1);main_#t~ite12 := 1; 660#L33-3 [2021-10-29 00:01:35,235 INFO L793 eck$LassoCheckResult]: Loop: 660#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 682#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 674#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 663#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 664#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 700#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 697#recFINAL assume true; 692#recEXIT >#39#return; 688#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 660#L33-3 [2021-10-29 00:01:35,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:35,236 INFO L85 PathProgramCache]: Analyzing trace with hash 970657719, now seen corresponding path program 1 times [2021-10-29 00:01:35,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:35,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313994879] [2021-10-29 00:01:35,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:35,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-29 00:01:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-29 00:01:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 00:01:35,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:01:35,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313994879] [2021-10-29 00:01:35,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313994879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:01:35,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:01:35,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 00:01:35,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132861594] [2021-10-29 00:01:35,351 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-29 00:01:35,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:35,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 3 times [2021-10-29 00:01:35,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:35,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193199752] [2021-10-29 00:01:35,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:35,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:35,388 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:35,402 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:36,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:01:36,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 00:01:36,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-29 00:01:36,044 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. cyclomatic complexity: 33 Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-29 00:01:36,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:01:36,109 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2021-10-29 00:01:36,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 00:01:36,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 96 transitions. [2021-10-29 00:01:36,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-29 00:01:36,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 52 states and 63 transitions. [2021-10-29 00:01:36,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-29 00:01:36,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-29 00:01:36,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2021-10-29 00:01:36,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-29 00:01:36,115 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-10-29 00:01:36,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2021-10-29 00:01:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2021-10-29 00:01:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 6 states have call predecessors, (8), 7 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2021-10-29 00:01:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2021-10-29 00:01:36,121 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-10-29 00:01:36,121 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-10-29 00:01:36,121 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-29 00:01:36,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 60 transitions. [2021-10-29 00:01:36,122 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-29 00:01:36,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:01:36,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:01:36,123 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:36,123 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-29 00:01:36,124 INFO L791 eck$LassoCheckResult]: Stem: 843#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 844#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 853#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 862#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 869#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 870#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 872#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 841#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 859#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 855#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 856#recFINAL assume true; 865#recEXIT >#37#return; 876#L19-1 #res := #t~ret5;havoc #t~ret5; 875#recFINAL assume true; 874#recEXIT >#39#return; 845#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 846#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 864#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 857#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 849#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 848#recENTRY [2021-10-29 00:01:36,124 INFO L793 eck$LassoCheckResult]: Loop: 848#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 854#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 847#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 848#recENTRY [2021-10-29 00:01:36,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:36,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1312873862, now seen corresponding path program 1 times [2021-10-29 00:01:36,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:36,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630098059] [2021-10-29 00:01:36,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:36,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:36,151 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:36,184 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:36,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:36,184 INFO L85 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 2 times [2021-10-29 00:01:36,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:36,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244739004] [2021-10-29 00:01:36,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:36,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:36,197 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:36,208 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:36,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:36,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1853025306, now seen corresponding path program 2 times [2021-10-29 00:01:36,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:36,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209139419] [2021-10-29 00:01:36,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:36,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:36,241 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:01:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:01:36,298 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:01:41,615 INFO L210 LassoAnalysis]: Preferences: [2021-10-29 00:01:41,615 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-29 00:01:41,615 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-29 00:01:41,615 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-29 00:01:41,615 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-29 00:01:41,615 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:41,615 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-29 00:01:41,615 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-29 00:01:41,615 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration5_Lasso [2021-10-29 00:01:41,615 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-29 00:01:41,615 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-29 00:01:41,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:41,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-29 00:01:42,734 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-29 00:01:42,734 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-29 00:01:42,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:42,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:42,741 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:42,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-29 00:01:42,742 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 [2021-10-29 00:01:42,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:42,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:42,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:42,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:42,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:42,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:42,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:42,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:42,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-29 00:01:42,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:42,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:42,776 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:42,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-29 00:01:42,778 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 [2021-10-29 00:01:42,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:42,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:42,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:42,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:42,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:42,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:42,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:42,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:42,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-29 00:01:42,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:42,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:42,848 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:42,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-29 00:01:42,852 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 [2021-10-29 00:01:42,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:42,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:42,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:42,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:42,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:42,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:42,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:42,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:42,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:42,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:42,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:42,889 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:42,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-29 00:01:42,891 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 [2021-10-29 00:01:42,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:42,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:42,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:42,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:42,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:42,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:42,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:42,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:42,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-29 00:01:42,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:42,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:42,928 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:42,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-29 00:01:42,931 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 [2021-10-29 00:01:42,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:42,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:42,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:42,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:42,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:42,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:42,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:42,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-29 00:01:42,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:42,969 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:42,974 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 [2021-10-29 00:01:42,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:42,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:42,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:42,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:42,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:42,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:42,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-29 00:01:43,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:43,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,060 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,062 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 [2021-10-29 00:01:43,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-29 00:01:43,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:43,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,132 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-29 00:01:43,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:43,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:43,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,174 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-29 00:01:43,176 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 [2021-10-29 00:01:43,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-29 00:01:43,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,217 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-29 00:01:43,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:43,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-29 00:01:43,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,251 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-29 00:01:43,254 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 [2021-10-29 00:01:43,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:43,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:43,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:43,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,290 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-29 00:01:43,292 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 [2021-10-29 00:01:43,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-29 00:01:43,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,326 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-29 00:01:43,328 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 [2021-10-29 00:01:43,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-29 00:01:43,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,362 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-29 00:01:43,363 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 [2021-10-29 00:01:43,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:43,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,414 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-29 00:01:43,415 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 [2021-10-29 00:01:43,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-29 00:01:43,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,451 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-29 00:01:43,456 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 [2021-10-29 00:01:43,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-29 00:01:43,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,492 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-29 00:01:43,494 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 [2021-10-29 00:01:43,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-29 00:01:43,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,528 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-29 00:01:43,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:43,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-29 00:01:43,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,563 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-29 00:01:43,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:43,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-29 00:01:43,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,619 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-29 00:01:43,621 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 [2021-10-29 00:01:43,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-29 00:01:43,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,656 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,658 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 [2021-10-29 00:01:43,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-29 00:01:43,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-29 00:01:43,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,693 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-29 00:01:43,695 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 [2021-10-29 00:01:43,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-29 00:01:43,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,730 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-29 00:01:43,732 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 [2021-10-29 00:01:43,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-29 00:01:43,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-29 00:01:43,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-29 00:01:43,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-29 00:01:43,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,765 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-29 00:01:43,767 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 [2021-10-29 00:01:43,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:43,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:43,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-29 00:01:43,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,813 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-29 00:01:43,815 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 [2021-10-29 00:01:43,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:43,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:43,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:43,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,855 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:43,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:43,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:43,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-29 00:01:43,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-29 00:01:43,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,913 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-29 00:01:43,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-29 00:01:43,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:43,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:43,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-29 00:01:43,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-29 00:01:43,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:43,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:43,965 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:43,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-29 00:01:43,967 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 [2021-10-29 00:01:43,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-29 00:01:43,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-29 00:01:43,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-29 00:01:43,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-29 00:01:43,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-29 00:01:43,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-29 00:01:43,990 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-29 00:01:44,012 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-29 00:01:44,012 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-29 00:01:44,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:01:44,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:44,019 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:44,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-29 00:01:44,020 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-29 00:01:44,030 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-29 00:01:44,030 INFO L513 LassoAnalysis]: Proved termination. [2021-10-29 00:01:44,030 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) 0)_2) = 2*v_rep(select (select #memory_int rec_#in~op.base) 0)_2 + 1 Supporting invariants [] [2021-10-29 00:01:44,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:44,057 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-10-29 00:01:44,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:44,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 00:01:44,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:44,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 00:01:44,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:44,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 00:01:44,500 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-10-29 00:01:44,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-10-29 00:01:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:44,571 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-10-29 00:01:44,571 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-29 00:01:44,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-29 00:01:44,716 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 78 states and 96 transitions. Complement of second has 17 states. [2021-10-29 00:01:44,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-29 00:01:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-29 00:01:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 10 transitions. [2021-10-29 00:01:44,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2021-10-29 00:01:44,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:44,718 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-29 00:01:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:44,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 00:01:44,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:45,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 00:01:45,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:45,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 00:01:45,177 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-10-29 00:01:45,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-10-29 00:01:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:45,222 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2021-10-29 00:01:45,222 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-29 00:01:45,361 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 78 states and 96 transitions. Complement of second has 17 states. [2021-10-29 00:01:45,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-29 00:01:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-29 00:01:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 10 transitions. [2021-10-29 00:01:45,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2021-10-29 00:01:45,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:45,368 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-29 00:01:45,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:45,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 00:01:45,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:45,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 00:01:45,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:45,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 00:01:45,863 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-10-29 00:01:45,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-10-29 00:01:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:45,905 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-10-29 00:01:45,905 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-29 00:01:46,082 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 77 states and 89 transitions. Complement of second has 18 states. [2021-10-29 00:01:46,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-29 00:01:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-29 00:01:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-10-29 00:01:46,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 20 letters. Loop has 3 letters. [2021-10-29 00:01:46,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:46,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 23 letters. Loop has 3 letters. [2021-10-29 00:01:46,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:46,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 20 letters. Loop has 6 letters. [2021-10-29 00:01:46,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-29 00:01:46,089 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 89 transitions. [2021-10-29 00:01:46,091 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-29 00:01:46,091 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2021-10-29 00:01:46,091 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-29 00:01:46,092 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-29 00:01:46,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-29 00:01:46,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-29 00:01:46,092 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:01:46,092 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:01:46,092 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:01:46,092 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-29 00:01:46,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-29 00:01:46,093 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-29 00:01:46,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-29 00:01:46,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.10 12:01:46 BoogieIcfgContainer [2021-10-29 00:01:46,099 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-29 00:01:46,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:01:46,100 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:01:46,100 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:01:46,101 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:01:25" (3/4) ... [2021-10-29 00:01:46,103 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 00:01:46,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:01:46,105 INFO L168 Benchmark]: Toolchain (without parser) took 20892.63 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 58.7 MB in the beginning and 97.7 MB in the end (delta: -39.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:46,105 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory is still 74.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:01:46,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.18 ms. Allocated memory is still 96.5 MB. Free memory was 58.4 MB in the beginning and 74.5 MB in the end (delta: -16.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:46,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.21 ms. Allocated memory is still 96.5 MB. Free memory was 74.5 MB in the beginning and 73.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:01:46,106 INFO L168 Benchmark]: Boogie Preprocessor took 27.14 ms. Allocated memory is still 96.5 MB. Free memory was 73.3 MB in the beginning and 72.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:01:46,106 INFO L168 Benchmark]: RCFGBuilder took 348.49 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 61.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:46,107 INFO L168 Benchmark]: BuchiAutomizer took 20178.80 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 61.5 MB in the beginning and 97.7 MB in the end (delta: -36.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:46,107 INFO L168 Benchmark]: Witness Printer took 4.24 ms. Allocated memory is still 142.6 MB. Free memory is still 97.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:01:46,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory is still 74.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 284.18 ms. Allocated memory is still 96.5 MB. Free memory was 58.4 MB in the beginning and 74.5 MB in the end (delta: -16.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.21 ms. Allocated memory is still 96.5 MB. Free memory was 74.5 MB in the beginning and 73.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.14 ms. Allocated memory is still 96.5 MB. Free memory was 73.3 MB in the beginning and 72.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 348.49 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 61.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 20178.80 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 61.5 MB in the beginning and 97.7 MB in the end (delta: -36.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.24 ms. Allocated memory is still 142.6 MB. Free memory is still 97.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][0] + 1 and consists of 6 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][0] + 1 and consists of 7 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 20.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 16.5s. Construction of modules took 0.2s. Büchi inclusion checks took 2.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 104 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 82 SDtfs, 61 SDslu, 138 SDs, 0 SdLazy, 197 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital392 mio100 ax100 hnf100 lsp97 ukn39 mio100 lsp29 div100 bol100 ite100 ukn100 eq176 hnf89 smp96 dnf412 smp77 tf100 neg85 sie158 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 71ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 8 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 44 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! [2021-10-29 00:01:46,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b10b1-9b25-4450-8a88-a031b8795799/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...