./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/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_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:10:26,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:10:26,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:10:27,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:10:27,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:10:27,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:10:27,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:10:27,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:10:27,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:10:27,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:10:27,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:10:27,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:10:27,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:10:27,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:10:27,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:10:27,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:10:27,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:10:27,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:10:27,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:10:27,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:10:27,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:10:27,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:10:27,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:10:27,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:10:27,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:10:27,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:10:27,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:10:27,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:10:27,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:10:27,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:10:27,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:10:27,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:10:27,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:10:27,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:10:27,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:10:27,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:10:27,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:10:27,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:10:27,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:10:27,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:10:27,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:10:27,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:10:27,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:10:27,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:10:27,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:10:27,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:10:27,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:10:27,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:10:27,241 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:10:27,241 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:10:27,242 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:10:27,242 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:10:27,243 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:10:27,244 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:10:27,244 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:10:27,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:10:27,245 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:10:27,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:10:27,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:10:27,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:10:27,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:10:27,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:10:27,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:10:27,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:10:27,247 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:10:27,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:10:27,248 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:10:27,248 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:10:27,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:10:27,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:10:27,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:10:27,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:10:27,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:10:27,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:10:27,254 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:10:27,254 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_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 783ac259376d0d4b331b84c9ee3bd0ed2042af56d21e98db70a8bebb07aee3c2 [2021-11-02 22:10:27,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:10:27,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:10:27,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:10:27,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:10:27,657 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:10:27,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2021-11-02 22:10:27,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/data/687c9b15f/6869ce2a2ef94b47b8a70903b249ecb5/FLAG0b51c2357 [2021-11-02 22:10:28,431 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:10:28,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2021-11-02 22:10:28,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/data/687c9b15f/6869ce2a2ef94b47b8a70903b249ecb5/FLAG0b51c2357 [2021-11-02 22:10:28,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/data/687c9b15f/6869ce2a2ef94b47b8a70903b249ecb5 [2021-11-02 22:10:28,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:10:28,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:10:28,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:10:28,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:10:28,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:10:28,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:10:28" (1/1) ... [2021-11-02 22:10:28,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed971fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:28, skipping insertion in model container [2021-11-02 22:10:28,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:10:28" (1/1) ... [2021-11-02 22:10:28,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:10:28,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:10:29,081 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_93423aa1-3de8-4d8d-bf47-6c5126eb5961/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i[815,828] [2021-11-02 22:10:29,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:10:29,124 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:10:29,144 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_93423aa1-3de8-4d8d-bf47-6c5126eb5961/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i[815,828] [2021-11-02 22:10:29,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:10:29,202 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:10:29,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29 WrapperNode [2021-11-02 22:10:29,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:10:29,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:10:29,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:10:29,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:10:29,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:10:29,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:10:29,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:10:29,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:10:29,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:10:29,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:10:29,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:10:29,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:10:29,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (1/1) ... [2021-11-02 22:10:29,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:29,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:29,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:29,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:10:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:10:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:10:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:10:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:10:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:10:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:10:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:10:29,842 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:10:29,842 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-02 22:10:29,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:10:29 BoogieIcfgContainer [2021-11-02 22:10:29,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:10:29,846 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:10:29,847 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:10:29,876 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:10:29,877 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:10:29,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:10:28" (1/3) ... [2021-11-02 22:10:29,879 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f3f870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:10:29, skipping insertion in model container [2021-11-02 22:10:29,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:10:29,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:10:29" (2/3) ... [2021-11-02 22:10:29,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f3f870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:10:29, skipping insertion in model container [2021-11-02 22:10:29,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:10:29,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:10:29" (3/3) ... [2021-11-02 22:10:29,882 INFO L389 chiAutomizerObserver]: Analyzing ICFG array_single_elem_init.i [2021-11-02 22:10:29,998 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:10:29,998 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:10:29,998 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:10:29,999 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:10:29,999 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:10:29,999 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:10:29,999 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:10:29,999 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:10:30,031 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) [2021-11-02 22:10:30,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-11-02 22:10:30,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:30,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:30,067 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:10:30,067 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:10:30,068 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:10:30,068 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) [2021-11-02 22:10:30,072 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-11-02 22:10:30,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:30,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:30,073 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:10:30,073 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:10:30,085 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 [2021-11-02 22:10:30,085 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 [2021-11-02 22:10:30,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:30,099 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-02 22:10:30,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:30,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622998242] [2021-11-02 22:10:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:30,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:30,296 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:30,402 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:30,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:30,412 INFO L85 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2021-11-02 22:10:30,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:30,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497531407] [2021-11-02 22:10:30,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:30,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:30,515 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:30,577 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:30,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:30,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1809708365, now seen corresponding path program 1 times [2021-11-02 22:10:30,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:30,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387107714] [2021-11-02 22:10:30,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:30,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:30,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:10:30,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387107714] [2021-11-02 22:10:30,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387107714] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:10:30,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:10:30,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:10:30,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745713485] [2021-11-02 22:10:31,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:10:31,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:10:31,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:10:31,248 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) [2021-11-02 22:10:31,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:10:31,407 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-11-02 22:10:31,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:10:31,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2021-11-02 22:10:31,415 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-11-02 22:10:31,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 24 transitions. [2021-11-02 22:10:31,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-02 22:10:31,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-02 22:10:31,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2021-11-02 22:10:31,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:10:31,426 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-02 22:10:31,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2021-11-02 22:10:31,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-11-02 22:10:31,461 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) [2021-11-02 22:10:31,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-11-02 22:10:31,465 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-02 22:10:31,465 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-02 22:10:31,465 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:10:31,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-11-02 22:10:31,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-11-02 22:10:31,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:31,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:31,470 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:10:31,470 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:10:31,470 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 [2021-11-02 22:10:31,471 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 [2021-11-02 22:10:31,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:31,472 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-11-02 22:10:31,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:31,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162030300] [2021-11-02 22:10:31,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:31,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:31,504 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:31,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:31,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:31,535 INFO L85 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2021-11-02 22:10:31,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:31,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95425908] [2021-11-02 22:10:31,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:31,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:31,566 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:31,602 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:31,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:31,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2021-11-02 22:10:31,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:31,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685867370] [2021-11-02 22:10:31,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:31,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:31,621 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:31,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:32,561 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:10:32,562 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:10:32,562 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:10:32,562 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:10:32,563 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:10:32,563 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:32,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:10:32,563 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:10:32,563 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration2_Lasso [2021-11-02 22:10:32,564 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:10:32,564 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:10:32,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:32,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:32,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:32,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:32,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:32,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:33,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:33,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:33,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:33,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:33,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:33,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:33,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:33,434 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:10:33,440 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:10:33,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:33,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:33,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:33,452 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 [2021-11-02 22:10:33,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:33,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:33,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:33,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:33,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:33,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:33,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:33,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:10:33,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:33,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:33,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:33,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:33,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:33,547 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 [2021-11-02 22:10:33,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:33,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:33,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:33,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:33,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:33,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:33,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:33,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:10:33,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:33,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:33,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:33,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:33,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:33,638 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 [2021-11-02 22:10:33,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:10:33,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:33,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:33,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:33,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:33,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:33,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:33,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:33,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:33,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:33,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:33,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:33,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:33,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:10:33,722 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 [2021-11-02 22:10:33,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:33,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:33,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:33,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:33,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:33,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:33,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:33,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-02 22:10:33,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:33,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:33,815 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:33,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:10:33,822 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 [2021-11-02 22:10:33,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:33,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:33,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:33,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:33,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:33,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:33,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:33,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:33,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:33,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:33,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:33,908 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:33,915 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 [2021-11-02 22:10:33,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:33,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:33,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:33,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:33,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:33,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:33,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:33,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:10:33,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:34,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:34,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:34,005 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:34,012 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 [2021-11-02 22:10:34,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:34,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:34,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:34,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:34,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:34,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:34,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:10:34,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:34,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:34,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:34,109 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:34,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:10:34,112 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 [2021-11-02 22:10:34,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:34,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:34,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:34,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:34,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:34,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:34,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:34,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-02 22:10:34,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:34,178 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:34,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 22:10:34,183 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 [2021-11-02 22:10:34,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:34,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:34,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:34,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:34,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:34,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:34,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:34,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:34,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:34,246 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:34,252 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 [2021-11-02 22:10:34,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 22:10:34,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:34,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:34,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:34,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:34,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:34,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:34,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:34,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:34,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:34,302 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:34,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 22:10:34,308 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 [2021-11-02 22:10:34,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:34,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:34,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:34,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:34,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:34,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:34,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:34,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:34,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:34,359 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:34,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 22:10:34,361 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 [2021-11-02 22:10:34,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:34,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:34,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:34,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:34,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:34,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:34,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:34,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-02 22:10:34,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:34,431 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:34,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 22:10:34,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:34,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:34,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:34,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:34,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:34,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:34,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:34,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:34,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:34,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:34,491 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:34,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 22:10:34,495 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 [2021-11-02 22:10:34,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:34,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:34,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:34,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:34,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:34,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:34,545 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:10:34,573 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-02 22:10:34,573 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-11-02 22:10:34,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:34,596 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:34,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 22:10:34,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:10:34,662 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:10:34,662 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:10:34,662 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2021-11-02 22:10:34,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-11-02 22:10:34,787 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2021-11-02 22:10:34,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:34,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:10:34,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:34,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:10:34,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:34,985 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 [2021-11-02 22:10:34,987 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) [2021-11-02 22:10:35,073 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. [2021-11-02 22:10:35,073 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 [2021-11-02 22:10:35,074 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) [2021-11-02 22:10:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-02 22:10:35,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2021-11-02 22:10:35,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:35,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2021-11-02 22:10:35,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:35,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2021-11-02 22:10:35,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:35,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2021-11-02 22:10:35,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:10:35,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2021-11-02 22:10:35,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-02 22:10:35,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-02 22:10:35,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-11-02 22:10:35,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:10:35,089 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-11-02 22:10:35,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-11-02 22:10:35,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-02 22:10:35,091 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) [2021-11-02 22:10:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-11-02 22:10:35,092 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-11-02 22:10:35,092 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-11-02 22:10:35,092 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:10:35,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-11-02 22:10:35,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:10:35,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:35,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:35,094 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-02 22:10:35,094 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 22:10:35,095 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 [2021-11-02 22:10:35,095 INFO L793 eck$LassoCheckResult]: Loop: 218#L43-3 assume !!(main_~i~0 < 100000); 223#L45 assume !(15000 == main_~i~0); 217#L43-2 main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7; 218#L43-3 [2021-11-02 22:10:35,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2021-11-02 22:10:35,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:35,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156027062] [2021-11-02 22:10:35,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:35,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:35,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:10:35,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156027062] [2021-11-02 22:10:35,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156027062] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:10:35,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:10:35,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:10:35,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884807619] [2021-11-02 22:10:35,134 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:10:35,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:35,134 INFO L85 PathProgramCache]: Analyzing trace with hash 71947, now seen corresponding path program 1 times [2021-11-02 22:10:35,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:35,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276173927] [2021-11-02 22:10:35,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:35,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:35,140 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:35,144 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:35,166 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:10:35,167 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:10:35,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:10:35,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:10:35,168 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:10:35,168 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:35,168 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:10:35,168 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:10:35,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2021-11-02 22:10:35,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:10:35,169 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:10:35,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,260 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:10:35,261 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:10:35,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:35,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:35,276 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:35,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 22:10:35,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:10:35,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:10:35,370 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:10:35,370 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: [] [2021-11-02 22:10:35,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:35,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:35,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:35,418 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:35,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:10:35,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:10:35,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 22:10:35,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:35,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:35,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:35,556 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:35,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:10:35,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:10:35,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-02 22:10:35,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:35,782 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:10:35,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:35,786 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:10:35,786 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:10:35,786 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:10:35,786 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:10:35,786 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:10:35,787 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:35,787 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:10:35,787 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:10:35,787 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2021-11-02 22:10:35,787 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:10:35,787 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:10:35,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,868 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:10:35,868 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:10:35,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:35,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:35,872 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:35,882 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 [2021-11-02 22:10:35,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:35,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:35,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:35,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:35,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:35,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:35,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:35,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-02 22:10:35,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:35,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:35,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:35,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:35,931 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:35,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-02 22:10:35,937 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 [2021-11-02 22:10:35,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:35,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:35,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:35,948 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:10:35,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:35,949 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:10:35,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:35,953 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:10:35,958 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-02 22:10:35,958 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-02 22:10:35,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:35,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:35,960 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:35,965 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:10:35,965 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-02 22:10:35,966 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:10:35,966 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2021-11-02 22:10:35,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-02 22:10:35,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:35,993 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-02 22:10:36,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:36,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:10:36,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:36,075 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:10:36,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:36,126 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 [2021-11-02 22:10:36,127 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) [2021-11-02 22:10:36,152 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. [2021-11-02 22:10:36,153 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 [2021-11-02 22:10:36,153 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) [2021-11-02 22:10:36,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2021-11-02 22:10:36,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2021-11-02 22:10:36,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:36,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-02 22:10:36,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:36,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2021-11-02 22:10:36,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:36,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2021-11-02 22:10:36,160 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:10:36,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-11-02 22:10:36,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:10:36,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:10:36,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:10:36,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:10:36,161 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:10:36,161 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:10:36,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:10:36,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:10:36,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:10:36,165 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) [2021-11-02 22:10:36,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:10:36,166 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-02 22:10:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:10:36,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-02 22:10:36,166 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:10:36,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 22:10:36,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:10:36,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:10:36,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:10:36,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:10:36,167 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:10:36,168 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:10:36,168 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:10:36,168 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-02 22:10:36,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:10:36,168 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:10:36,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:10:36,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:10:36 BoogieIcfgContainer [2021-11-02 22:10:36,176 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:10:36,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:10:36,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:10:36,177 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:10:36,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:10:29" (3/4) ... [2021-11-02 22:10:36,182 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:10:36,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:10:36,192 INFO L168 Benchmark]: Toolchain (without parser) took 7422.81 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 51.8 MB in the beginning and 92.4 MB in the end (delta: -40.6 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:10:36,193 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 68.4 MB in the beginning and 68.4 MB in the end (delta: 43.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:10:36,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.02 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 83.3 MB in the end (delta: -31.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:10:36,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.39 ms. Allocated memory is still 107.0 MB. Free memory was 83.3 MB in the beginning and 81.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:10:36,197 INFO L168 Benchmark]: Boogie Preprocessor took 65.01 ms. Allocated memory is still 107.0 MB. Free memory was 81.7 MB in the beginning and 80.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:10:36,201 INFO L168 Benchmark]: RCFGBuilder took 500.47 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 69.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:10:36,205 INFO L168 Benchmark]: BuchiAutomizer took 6330.05 ms. Allocated memory was 107.0 MB in the beginning and 134.2 MB in the end (delta: 27.3 MB). Free memory was 69.3 MB in the beginning and 92.4 MB in the end (delta: -23.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:10:36,205 INFO L168 Benchmark]: Witness Printer took 5.71 ms. Allocated memory is still 134.2 MB. Free memory is still 92.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:10:36,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 68.4 MB in the beginning and 68.4 MB in the end (delta: 43.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 441.02 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 83.3 MB in the end (delta: -31.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.39 ms. Allocated memory is still 107.0 MB. Free memory was 83.3 MB in the beginning and 81.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.01 ms. Allocated memory is still 107.0 MB. Free memory was 81.7 MB in the beginning and 80.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 500.47 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 69.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6330.05 ms. Allocated memory was 107.0 MB in the beginning and 134.2 MB in the end (delta: 27.3 MB). Free memory was 69.3 MB in the beginning and 92.4 MB in the end (delta: -23.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.71 ms. Allocated memory is still 134.2 MB. Free memory is still 92.4 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 6.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.1s. 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 0.0s 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, 0.1s 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: 66ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-02 22:10:36,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:36,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93423aa1-3de8-4d8d-bf47-6c5126eb5961/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE