./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 783ac259376d0d4b331b84c9ee3bd0ed2042af56d21e98db70a8bebb07aee3c2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:00:05,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:00:05,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:00:05,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:00:05,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:00:05,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:00:05,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:00:05,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:00:05,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:00:05,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:00:05,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:00:05,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:00:05,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:00:05,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:00:05,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:00:05,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:00:05,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:00:05,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:00:05,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:00:05,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:00:05,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:00:05,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:00:05,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:00:05,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:00:05,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:00:05,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:00:05,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:00:05,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:00:05,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:00:05,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:00:05,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:00:05,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:00:05,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:00:05,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:00:05,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:00:05,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:00:05,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:00:05,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:00:05,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:00:05,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:00:05,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:00:05,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:00:06,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:00:06,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:00:06,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:00:06,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:00:06,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:00:06,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:00:06,023 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:00:06,023 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:00:06,023 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:00:06,024 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:00:06,025 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:00:06,025 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:00:06,026 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:00:06,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:00:06,026 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:00:06,026 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:00:06,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:00:06,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:00:06,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:00:06,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:00:06,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:00:06,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:00:06,028 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:00:06,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:00:06,028 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:00:06,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:00:06,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:00:06,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:00:06,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:00:06,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:00:06,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:00:06,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:00:06,033 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:00:06,033 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_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 783ac259376d0d4b331b84c9ee3bd0ed2042af56d21e98db70a8bebb07aee3c2 [2021-10-21 20:00:06,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:00:06,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:00:06,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:00:06,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:00:06,460 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:00:06,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2021-10-21 20:00:06,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/data/15b2c6404/4e95b0c4dd9048b1a6f628fc4e929352/FLAG76173a2a5 [2021-10-21 20:00:07,215 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:00:07,217 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2021-10-21 20:00:07,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/data/15b2c6404/4e95b0c4dd9048b1a6f628fc4e929352/FLAG76173a2a5 [2021-10-21 20:00:07,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/data/15b2c6404/4e95b0c4dd9048b1a6f628fc4e929352 [2021-10-21 20:00:07,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:00:07,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:00:07,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:00:07,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:00:07,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:00:07,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537572e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07, skipping insertion in model container [2021-10-21 20:00:07,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:00:07,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:00:07,860 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i[815,828] [2021-10-21 20:00:07,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:00:07,887 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:00:07,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i[815,828] [2021-10-21 20:00:07,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:00:07,931 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:00:07,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07 WrapperNode [2021-10-21 20:00:07,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:00:07,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:00:07,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:00:07,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:00:07,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:00:07,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:00:07,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:00:07,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:00:07,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:08,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:08,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:08,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:00:08,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:00:08,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:00:08,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:00:08,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:08,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:08,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:08,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:08,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:00:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:00:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:00:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:00:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:00:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:00:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:00:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:00:08,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:00:08,347 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-21 20:00:08,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:00:08 BoogieIcfgContainer [2021-10-21 20:00:08,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:00:08,351 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:00:08,351 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:00:08,354 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:00:08,355 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:00:08,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:00:07" (1/3) ... [2021-10-21 20:00:08,356 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2969db79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:00:08, skipping insertion in model container [2021-10-21 20:00:08,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:00:08,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07" (2/3) ... [2021-10-21 20:00:08,357 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2969db79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:00:08, skipping insertion in model container [2021-10-21 20:00:08,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:00:08,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:00:08" (3/3) ... [2021-10-21 20:00:08,359 INFO L389 chiAutomizerObserver]: Analyzing ICFG array_single_elem_init.i [2021-10-21 20:00:08,403 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:00:08,403 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:00:08,403 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:00:08,403 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:00:08,403 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:00:08,403 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:00:08,403 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:00:08,404 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:00:08,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:08,436 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 20:00:08,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:00:08,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:00:08,442 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 20:00:08,442 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 20:00:08,442 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:00:08,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:08,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 20:00:08,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:00:08,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:00:08,445 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 20:00:08,445 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 20:00:08,452 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(25); 11#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~#c~0.base, main_~#c~0.offset;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);call main_~#c~0.base, main_~#c~0.offset := #Ultimate.allocOnStack(400000);main_~i~0 := 0; 4#L21-3true [2021-10-21 20:00:08,452 INFO L793 eck$LassoCheckResult]: Loop: 4#L21-3true assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet4;havoc main_#t~nondet4;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 9#L25true assume 0 == main_~q~0;call write~int(1, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);call write~int((if main_~i~0 < 0 && 0 != main_~i~0 % 2 then main_~i~0 % 2 - 2 else main_~i~0 % 2), main_~#b~0.base, main_~#b~0.offset + 4 * main_~i~0, 4); 15#L25-2true call main_#t~mem5 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 6#L30true assume !(0 != main_#t~mem5);havoc main_#t~mem5; 18#L21-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4#L21-3true [2021-10-21 20:00:08,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:08,458 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-21 20:00:08,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:08,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001987917] [2021-10-21 20:00:08,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:08,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:08,567 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:00:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:08,604 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:00:08,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:08,607 INFO L82 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2021-10-21 20:00:08,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:08,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286788570] [2021-10-21 20:00:08,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:08,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:08,646 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:00:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:08,674 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:00:08,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:08,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1809708365, now seen corresponding path program 1 times [2021-10-21 20:00:08,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:08,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51235668] [2021-10-21 20:00:08,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:08,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:08,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:08,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:08,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51235668] [2021-10-21 20:00:08,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51235668] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:08,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:08,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:00:08,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609862799] [2021-10-21 20:00:09,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:09,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:00:09,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:00:09,332 INFO L87 Difference]: Start difference. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:09,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:09,413 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-21 20:00:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:00:09,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2021-10-21 20:00:09,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-10-21 20:00:09,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 24 transitions. [2021-10-21 20:00:09,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-21 20:00:09,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 20:00:09,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2021-10-21 20:00:09,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:00:09,424 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-10-21 20:00:09,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2021-10-21 20:00:09,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-10-21 20:00:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-10-21 20:00:09,452 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-21 20:00:09,452 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-21 20:00:09,452 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:00:09,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-10-21 20:00:09,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-10-21 20:00:09,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:00:09,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:00:09,454 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 20:00:09,455 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 20:00:09,455 INFO L791 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(25); 63#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~#c~0.base, main_~#c~0.offset;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);call main_~#c~0.base, main_~#c~0.offset := #Ultimate.allocOnStack(400000);main_~i~0 := 0; 59#L21-3 [2021-10-21 20:00:09,455 INFO L793 eck$LassoCheckResult]: Loop: 59#L21-3 assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet4;havoc main_#t~nondet4;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 61#L25 assume !(0 == main_~q~0); 69#L25-2 call main_#t~mem5 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 74#L30 assume !(0 != main_#t~mem5);havoc main_#t~mem5; 71#L21-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 59#L21-3 [2021-10-21 20:00:09,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:09,456 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-10-21 20:00:09,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:09,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167316823] [2021-10-21 20:00:09,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:09,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:09,471 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:00:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:09,486 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:00:09,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:09,487 INFO L82 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2021-10-21 20:00:09,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:09,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995148989] [2021-10-21 20:00:09,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:09,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:09,494 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:00:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:09,502 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:00:09,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:09,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2021-10-21 20:00:09,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:09,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602672046] [2021-10-21 20:00:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:09,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:09,523 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:00:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:09,542 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:00:10,270 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:00:10,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:00:10,270 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:00:10,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:00:10,271 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:00:10,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:10,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:00:10,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:00:10,271 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration2_Lasso [2021-10-21 20:00:10,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:00:10,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:00:10,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:10,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:11,074 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:00:11,079 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:00:11,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,090 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 [2021-10-21 20:00:11,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:00:11,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:00:11,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:00:11,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:00:11,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:00:11,138 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 [2021-10-21 20:00:11,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:00:11,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:00:11,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:00:11,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,207 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:00:11,209 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 [2021-10-21 20:00:11,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:00:11,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:00:11,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:00:11,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,285 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,292 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 [2021-10-21 20:00:11,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:00:11,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:00:11,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:00:11,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-21 20:00:11,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:00:11,359 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 [2021-10-21 20:00:11,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:00:11,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:00:11,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:00:11,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,404 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:00:11,406 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 [2021-10-21 20:00:11,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:00:11,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:00:11,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:00:11,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,450 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:00:11,452 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 [2021-10-21 20:00:11,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:00:11,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:00:11,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-21 20:00:11,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:00:11,512 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 [2021-10-21 20:00:11,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:00:11,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:00:11,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,566 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:00:11,568 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 [2021-10-21 20:00:11,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:00:11,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:00:11,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,633 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:00:11,636 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 [2021-10-21 20:00:11,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:00:11,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:00:11,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,716 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,725 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 [2021-10-21 20:00:11,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:00:11,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:00:11,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:00:11,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,798 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:00:11,800 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 [2021-10-21 20:00:11,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:00:11,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:00:11,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-21 20:00:11,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,841 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,843 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 [2021-10-21 20:00:11,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:00:11,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:00:11,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:00:11,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:11,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:11,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:11,904 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:11,912 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 [2021-10-21 20:00:11,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:00:11,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:11,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:11,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:11,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:11,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:00:11,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:00:11,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:00:11,983 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-21 20:00:11,983 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-21 20:00:11,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:11,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:12,016 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:12,036 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:00:12,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:00:12,090 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:00:12,090 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:00:12,091 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2021-10-21 20:00:12,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:12,238 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2021-10-21 20:00:12,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:12,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:00:12,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:00:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:12,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:00:12,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:00:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:12,379 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:00:12,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,463 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 36 transitions. Complement of second has 7 states. [2021-10-21 20:00:12,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:00:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-21 20:00:12,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2021-10-21 20:00:12,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:00:12,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-21 20:00:12,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:00:12,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2021-10-21 20:00:12,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:00:12,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2021-10-21 20:00:12,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 20:00:12,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2021-10-21 20:00:12,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-21 20:00:12,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-21 20:00:12,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-10-21 20:00:12,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:00:12,487 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-21 20:00:12,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-10-21 20:00:12,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-21 20:00:12,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-10-21 20:00:12,494 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-21 20:00:12,495 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-21 20:00:12,495 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:00:12,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-10-21 20:00:12,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 20:00:12,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:00:12,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:00:12,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:00:12,500 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:00:12,500 INFO L791 eck$LassoCheckResult]: Stem: 215#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(25); 216#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~#c~0.base, main_~#c~0.offset;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);call main_~#c~0.base, main_~#c~0.offset := #Ultimate.allocOnStack(400000);main_~i~0 := 0; 209#L21-3 assume !(main_~i~0 < 100000); 210#L21-4 call write~int(1, main_~#a~0.base, 60000 + main_~#a~0.offset, 4);main_~i~0 := 0; 218#L43-3 [2021-10-21 20:00:12,501 INFO L793 eck$LassoCheckResult]: Loop: 218#L43-3 assume !!(main_~i~0 < 100000); 223#L45 assume !(15000 == main_~i~0); 217#L43-2 main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7; 218#L43-3 [2021-10-21 20:00:12,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:12,503 INFO L82 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2021-10-21 20:00:12,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:12,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382584670] [2021-10-21 20:00:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:12,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:12,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:12,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382584670] [2021-10-21 20:00:12,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382584670] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:12,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:12,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:00:12,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389003776] [2021-10-21 20:00:12,571 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:00:12,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:12,571 INFO L82 PathProgramCache]: Analyzing trace with hash 71947, now seen corresponding path program 1 times [2021-10-21 20:00:12,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:12,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174836362] [2021-10-21 20:00:12,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:12,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:12,576 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:00:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:00:12,581 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:00:12,617 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:00:12,617 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:00:12,617 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:00:12,617 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:00:12,618 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:00:12,618 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:12,618 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:00:12,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:00:12,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2021-10-21 20:00:12,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:00:12,619 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:00:12,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:12,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:12,687 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:00:12,688 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:00:12,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:12,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:12,692 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:12,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:00:12,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:00:12,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:00:12,755 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:00:12,755 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7=0} Honda state: {ULTIMATE.start_main_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:00:12,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:12,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:12,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:12,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:12,781 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:12,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:00:12,783 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:00:12,783 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:00:12,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:12,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:12,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:12,822 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:12,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:00:12,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:00:12,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:00:12,944 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:00:12,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:12,948 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:00:12,948 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:00:12,948 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:00:12,948 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:00:12,948 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:00:12,948 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:12,948 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:00:12,948 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:00:12,948 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2021-10-21 20:00:12,948 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:00:12,949 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:00:12,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:12,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:00:13,050 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:00:13,050 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:00:13,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:13,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:13,052 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:13,084 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 [2021-10-21 20:00:13,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:13,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:00:13,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:13,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:00:13,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:13,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:00:13,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:00:13,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:00:13,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:00:13,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:13,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:13,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:13,166 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:13,173 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 [2021-10-21 20:00:13,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:00:13,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:00:13,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:00:13,185 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:00:13,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:00:13,189 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:00:13,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:00:13,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:00:13,200 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:00:13,205 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:00:13,205 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:00:13,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:13,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:13,207 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:13,217 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:00:13,218 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:00:13,218 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:00:13,218 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2021-10-21 20:00:13,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:00:13,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:13,264 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:00:13,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:13,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:00:13,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:00:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:13,342 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:00:13,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:00:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:13,391 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:00:13,392 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,415 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 30 transitions. Complement of second has 4 states. [2021-10-21 20:00:13,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:00:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2021-10-21 20:00:13,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-21 20:00:13,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:00:13,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-21 20:00:13,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:00:13,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-21 20:00:13,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:00:13,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2021-10-21 20:00:13,421 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:00:13,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-10-21 20:00:13,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:00:13,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:00:13,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:00:13,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:00:13,422 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:00:13,422 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:00:13,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:13,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:00:13,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:00:13,431 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:13,432 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 20:00:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:00:13,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 20:00:13,432 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:00:13,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:00:13,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:00:13,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:00:13,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:00:13,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:00:13,433 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:00:13,434 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:00:13,434 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:00:13,434 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:00:13,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:00:13,434 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:00:13,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:00:13,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:00:13 BoogieIcfgContainer [2021-10-21 20:00:13,441 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:00:13,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:00:13,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:00:13,442 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:00:13,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:00:08" (3/4) ... [2021-10-21 20:00:13,446 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:00:13,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:00:13,456 INFO L168 Benchmark]: Toolchain (without parser) took 5864.77 ms. Allocated memory was 107.0 MB in the beginning and 142.6 MB in the end (delta: 35.7 MB). Free memory was 69.3 MB in the beginning and 96.2 MB in the end (delta: -26.9 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:13,457 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:00:13,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.84 ms. Allocated memory is still 107.0 MB. Free memory was 69.1 MB in the beginning and 81.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:13,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.36 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 79.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:00:13,460 INFO L168 Benchmark]: Boogie Preprocessor took 32.54 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 78.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:13,460 INFO L168 Benchmark]: RCFGBuilder took 339.73 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 67.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:13,466 INFO L168 Benchmark]: BuchiAutomizer took 5090.98 ms. Allocated memory was 107.0 MB in the beginning and 142.6 MB in the end (delta: 35.7 MB). Free memory was 67.2 MB in the beginning and 96.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:13,466 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 142.6 MB. Free memory is still 96.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:00:13,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 331.84 ms. Allocated memory is still 107.0 MB. Free memory was 69.1 MB in the beginning and 81.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.36 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 79.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.54 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 78.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 339.73 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 67.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5090.98 ms. Allocated memory was 107.0 MB in the beginning and 142.6 MB in the end (delta: 35.7 MB). Free memory was 67.2 MB in the beginning and 96.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.88 ms. Allocated memory is still 142.6 MB. Free memory is still 96.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 199999 and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 199999 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 20.3ms AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 36 SDtfs, 45 SDslu, 28 SDs, 0 SdLazy, 64 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital83 mio100 ax100 hnf100 lsp96 ukn84 mio100 lsp79 div100 bol100 ite100 ukn100 eq168 hnf94 smp100 dnf143 smp94 tf103 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:00:13,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:13,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522ff893-fc80-47c8-b35a-15950a6c7899/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...