./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/sum_2x3-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/sum_2x3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF --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 b2c85aee86c4b142223e11d6ae03fc30f95f303d54efdd7315c1aab75b140c6a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:18:07,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:18:07,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:18:07,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:18:07,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:18:07,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:18:07,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:18:07,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:18:07,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:18:07,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:18:07,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:18:07,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:18:07,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:18:07,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:18:07,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:18:07,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:18:07,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:18:07,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:18:07,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:18:07,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:18:07,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:18:07,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:18:07,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:18:07,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:18:07,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:18:07,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:18:07,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:18:07,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:18:07,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:18:07,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:18:07,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:18:07,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:18:07,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:18:07,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:18:07,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:18:07,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:18:07,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:18:07,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:18:07,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:18:07,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:18:07,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:18:07,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:18:07,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:18:07,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:18:07,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:18:07,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:18:07,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:18:07,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:18:07,322 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:18:07,322 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:18:07,322 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:18:07,323 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:18:07,324 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:18:07,325 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:18:07,325 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:18:07,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:18:07,326 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:18:07,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:18:07,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:18:07,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:18:07,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:18:07,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:18:07,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:18:07,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:18:07,328 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:18:07,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:18:07,329 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:18:07,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:18:07,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:18:07,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:18:07,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:18:07,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:18:07,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:18:07,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:18:07,333 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:18:07,333 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_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c85aee86c4b142223e11d6ae03fc30f95f303d54efdd7315c1aab75b140c6a [2021-11-20 07:18:07,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:18:07,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:18:07,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:18:07,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:18:07,673 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:18:07,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2021-11-20 07:18:07,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/data/337653afb/4853d1ea08754d6cac79479019a5382b/FLAGd4c87475e [2021-11-20 07:18:08,382 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:18:08,383 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2021-11-20 07:18:08,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/data/337653afb/4853d1ea08754d6cac79479019a5382b/FLAGd4c87475e [2021-11-20 07:18:08,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/data/337653afb/4853d1ea08754d6cac79479019a5382b [2021-11-20 07:18:08,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:18:08,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:18:08,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:18:08,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:18:08,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:18:08,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf19093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08, skipping insertion in model container [2021-11-20 07:18:08,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:18:08,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:18:08,643 WARN L230 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_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/sv-benchmarks/c/recursive-simple/sum_2x3-1.c[479,492] [2021-11-20 07:18:08,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:18:08,675 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:18:08,689 WARN L230 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_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/sv-benchmarks/c/recursive-simple/sum_2x3-1.c[479,492] [2021-11-20 07:18:08,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:18:08,707 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:18:08,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08 WrapperNode [2021-11-20 07:18:08,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:18:08,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:18:08,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:18:08,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:18:08,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,750 INFO L137 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-20 07:18:08,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:18:08,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:18:08,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:18:08,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:18:08,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:18:08,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:18:08,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:18:08,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:18:08,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (1/1) ... [2021-11-20 07:18:08,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:08,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:08,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:08,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:18:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:18:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:18:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:18:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-11-20 07:18:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-11-20 07:18:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:18:08,989 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:18:08,991 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:18:09,146 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:18:09,161 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:18:09,162 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:18:09,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:18:09 BoogieIcfgContainer [2021-11-20 07:18:09,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:18:09,168 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:18:09,168 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:18:09,173 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:18:09,174 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:18:09,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:18:08" (1/3) ... [2021-11-20 07:18:09,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@289ae8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:18:09, skipping insertion in model container [2021-11-20 07:18:09,176 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:18:09,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:18:08" (2/3) ... [2021-11-20 07:18:09,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@289ae8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:18:09, skipping insertion in model container [2021-11-20 07:18:09,177 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:18:09,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:18:09" (3/3) ... [2021-11-20 07:18:09,180 INFO L388 chiAutomizerObserver]: Analyzing ICFG sum_2x3-1.c [2021-11-20 07:18:09,247 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:18:09,247 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:18:09,247 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:18:09,247 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:18:09,248 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:18:09,248 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:18:09,248 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:18:09,248 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:18:09,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:18:09,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 07:18:09,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:18:09,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:18:09,305 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:18:09,306 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:18:09,306 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:18:09,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:18:09,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 07:18:09,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:18:09,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:18:09,309 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:18:09,310 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:18:09,324 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~a~0#1, main_~b~0#1, main_~result~0#1;main_~a~0#1 := 2;main_~b~0#1 := 3; 3#L16true call main_#t~ret5#1 := sum(main_~a~0#1, main_~b~0#1);< 10#sumENTRYtrue [2021-11-20 07:18:09,325 INFO L793 eck$LassoCheckResult]: Loop: 10#sumENTRYtrue ~n := #in~n;~m := #in~m; 15#L6true assume !(~n <= 0); 14#L9true call #t~ret4 := sum(~n - 1, 1 + ~m);< 10#sumENTRYtrue [2021-11-20 07:18:09,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:09,333 INFO L85 PathProgramCache]: Analyzing trace with hash 29876, now seen corresponding path program 1 times [2021-11-20 07:18:09,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:18:09,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113907172] [2021-11-20 07:18:09,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:09,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:18:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:18:09,449 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:18:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:18:09,496 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:18:09,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:09,499 INFO L85 PathProgramCache]: Analyzing trace with hash 44820, now seen corresponding path program 1 times [2021-11-20 07:18:09,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:18:09,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992582631] [2021-11-20 07:18:09,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:09,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:18:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:18:09,514 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:18:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:18:09,523 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:18:09,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:09,525 INFO L85 PathProgramCache]: Analyzing trace with hash 890050945, now seen corresponding path program 1 times [2021-11-20 07:18:09,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:18:09,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138089090] [2021-11-20 07:18:09,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:09,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:18:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:18:09,547 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:18:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:18:09,566 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:18:09,787 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:18:09,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:18:09,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:18:09,789 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:18:09,790 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:18:09,790 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:09,790 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:18:09,791 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:18:09,791 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_2x3-1.c_Iteration1_Loop [2021-11-20 07:18:09,791 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:18:09,791 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:18:09,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:09,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:09,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:09,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:09,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:09,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:09,972 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:18:09,977 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:18:09,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:09,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:09,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:09,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:18:09,998 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:18:09,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:18:10,035 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:18:10,036 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#t~ret4=0} Honda state: {sum_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:18:10,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:10,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:10,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:10,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:18:10,087 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:18:10,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:18:10,115 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:18:10,115 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:18:10,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:10,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:10,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:10,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:18:10,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:18:10,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:18:10,187 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:18:10,188 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~m=0} Honda state: {sum_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:18:10,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:10,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:10,220 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:10,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:18:10,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:18:10,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:18:10,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:10,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:10,266 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:10,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:18:10,269 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:18:10,269 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:18:10,313 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:18:10,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-20 07:18:10,316 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:18:10,316 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:18:10,316 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:18:10,317 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:18:10,317 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:18:10,317 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,317 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:18:10,317 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:18:10,317 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_2x3-1.c_Iteration1_Loop [2021-11-20 07:18:10,317 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:18:10,317 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:18:10,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:10,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:10,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:10,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:10,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:10,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:18:10,400 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:18:10,406 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:18:10,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:10,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:10,416 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 [2021-11-20 07:18:10,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:18:10,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:18:10,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:18:10,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:18:10,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:18:10,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:18:10,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:18:10,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:18:10,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:18:10,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:10,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:10,485 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:10,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:18:10,491 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 [2021-11-20 07:18:10,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:18:10,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:18:10,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:18:10,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:18:10,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:18:10,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:18:10,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:18:10,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:18:10,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:10,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:10,575 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:10,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:18:10,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:18:10,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:18:10,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:18:10,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:18:10,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:18:10,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:18:10,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:18:10,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:18:10,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:18:10,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:10,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:10,643 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:10,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:18:10,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:18:10,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:18:10,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:18:10,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:18:10,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:18:10,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:18:10,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:18:10,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:18:10,696 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:18:10,713 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 07:18:10,713 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-20 07:18:10,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:18:10,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:18:10,720 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:18:10,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:18:10,728 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:18:10,730 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 07:18:10,731 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:18:10,731 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sum_#in~n) = 1*sum_#in~n Supporting invariants [] [2021-11-20 07:18:10,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:10,764 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 07:18:10,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:10,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:18:10,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:18:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:10,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:18:10,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:18:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:18:10,967 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 07:18:10,969 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:18:11,121 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 12 states. [2021-11-20 07:18:11,123 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 [2021-11-20 07:18:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:18:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2021-11-20 07:18:11,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-20 07:18:11,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:18:11,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-20 07:18:11,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:18:11,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-20 07:18:11,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:18:11,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2021-11-20 07:18:11,151 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:18:11,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2021-11-20 07:18:11,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 07:18:11,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 07:18:11,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 07:18:11,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:18:11,162 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:18:11,163 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:18:11,171 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:18:11,175 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:18:11,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:18:11,175 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:18:11,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 07:18:11,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:18:11 BoogieIcfgContainer [2021-11-20 07:18:11,184 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:18:11,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:18:11,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:18:11,188 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:18:11,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:18:09" (3/4) ... [2021-11-20 07:18:11,192 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:18:11,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:18:11,195 INFO L158 Benchmark]: Toolchain (without parser) took 2782.84ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 78.7MB in the beginning and 82.1MB in the end (delta: -3.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2021-11-20 07:18:11,196 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 111.1MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:18:11,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.47ms. Allocated memory is still 111.1MB. Free memory was 78.4MB in the beginning and 87.2MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:18:11,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.43ms. Allocated memory is still 111.1MB. Free memory was 87.2MB in the beginning and 85.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:18:11,207 INFO L158 Benchmark]: Boogie Preprocessor took 20.76ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 84.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:18:11,208 INFO L158 Benchmark]: RCFGBuilder took 392.87ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 76.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:18:11,208 INFO L158 Benchmark]: BuchiAutomizer took 2016.63ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 76.4MB in the beginning and 82.1MB in the end (delta: -5.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-11-20 07:18:11,213 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 134.2MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:18:11,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 111.1MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.47ms. Allocated memory is still 111.1MB. Free memory was 78.4MB in the beginning and 87.2MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.43ms. Allocated memory is still 111.1MB. Free memory was 87.2MB in the beginning and 85.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.76ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 84.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.87ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 76.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2016.63ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 76.4MB in the beginning and 82.1MB in the end (delta: -5.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 134.2MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 07:18:11,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:18:11,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589a18dc-dce1-458b-8c1c-e1ca6ec3bd43/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE