./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_03-1.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_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/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_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/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_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/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 c6195aac4ed5fd870d8a0e9d86ce21873e1b6b73a142bab52cc3ba137a2f556f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:48:38,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:48:38,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:48:38,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:48:38,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:48:38,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:48:38,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:48:38,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:48:38,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:48:38,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:48:38,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:48:38,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:48:38,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:48:38,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:48:38,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:48:38,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:48:38,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:48:38,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:48:38,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:48:38,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:48:38,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:48:38,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:48:38,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:48:38,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:48:38,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:48:38,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:48:38,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:48:38,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:48:38,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:48:38,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:48:38,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:48:38,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:48:38,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:48:38,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:48:38,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:48:38,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:48:38,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:48:38,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:48:38,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:48:38,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:48:38,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:48:38,176 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 05:48:38,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:48:38,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:48:38,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:48:38,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:48:38,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:48:38,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:48:38,228 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:48:38,228 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:48:38,229 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:48:38,229 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:48:38,229 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:48:38,230 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:48:38,230 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:48:38,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:48:38,231 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:48:38,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:48:38,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:48:38,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:48:38,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:48:38,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:48:38,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:48:38,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:48:38,233 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:48:38,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:48:38,241 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:48:38,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:48:38,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:48:38,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:48:38,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:48:38,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:48:38,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:48:38,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:48:38,246 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:48:38,247 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_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6195aac4ed5fd870d8a0e9d86ce21873e1b6b73a142bab52cc3ba137a2f556f [2021-11-20 05:48:38,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:48:38,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:48:38,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:48:38,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:48:38,530 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:48:38,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/loops/terminator_03-1.c [2021-11-20 05:48:38,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/data/97c51dcd5/a10c82bd091a489199e93f08598baad0/FLAGac4555f83 [2021-11-20 05:48:39,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:48:39,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/sv-benchmarks/c/loops/terminator_03-1.c [2021-11-20 05:48:39,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/data/97c51dcd5/a10c82bd091a489199e93f08598baad0/FLAGac4555f83 [2021-11-20 05:48:39,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/data/97c51dcd5/a10c82bd091a489199e93f08598baad0 [2021-11-20 05:48:39,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:48:39,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:48:39,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:48:39,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:48:39,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:48:39,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6ee9a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39, skipping insertion in model container [2021-11-20 05:48:39,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:48:39,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:48:39,638 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_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/sv-benchmarks/c/loops/terminator_03-1.c[327,340] [2021-11-20 05:48:39,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:48:39,659 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:48:39,673 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_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/sv-benchmarks/c/loops/terminator_03-1.c[327,340] [2021-11-20 05:48:39,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:48:39,692 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:48:39,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39 WrapperNode [2021-11-20 05:48:39,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:48:39,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:48:39,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:48:39,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:48:39,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,747 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2021-11-20 05:48:39,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:48:39,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:48:39,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:48:39,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:48:39,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:48:39,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:48:39,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:48:39,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:48:39,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (1/1) ... [2021-11-20 05:48:39,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:39,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:39,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:39,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:48:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:48:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:48:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:48:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:48:39,979 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:48:39,981 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:48:40,143 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:48:40,149 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:48:40,150 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 05:48:40,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:40 BoogieIcfgContainer [2021-11-20 05:48:40,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:48:40,153 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:48:40,153 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:48:40,167 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:48:40,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:48:40,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:48:39" (1/3) ... [2021-11-20 05:48:40,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f05f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:48:40, skipping insertion in model container [2021-11-20 05:48:40,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:48:40,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:39" (2/3) ... [2021-11-20 05:48:40,171 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f05f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:48:40, skipping insertion in model container [2021-11-20 05:48:40,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:48:40,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:40" (3/3) ... [2021-11-20 05:48:40,175 INFO L388 chiAutomizerObserver]: Analyzing ICFG terminator_03-1.c [2021-11-20 05:48:40,236 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:48:40,236 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:48:40,237 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:48:40,237 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:48:40,237 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:48:40,237 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:48:40,237 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:48:40,237 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:48:40,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-20 05:48:40,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 05:48:40,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:48:40,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:48:40,309 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:48:40,309 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 05:48:40,309 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:48:40,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-20 05:48:40,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 05:48:40,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:48:40,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:48:40,313 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:48:40,314 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 05:48:40,322 INFO L791 eck$LassoCheckResult]: Stem: 5#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(18, 2);call #Ultimate.allocInit(12, 3); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4#L18true assume main_~y~0#1 > 0; 10#L20-2true [2021-11-20 05:48:40,323 INFO L793 eck$LassoCheckResult]: Loop: 10#L20-2true assume !!(main_~x~0#1 < 100);main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 10#L20-2true [2021-11-20 05:48:40,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:40,335 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-20 05:48:40,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:40,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295416954] [2021-11-20 05:48:40,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:40,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,469 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:40,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:40,534 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2021-11-20 05:48:40,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:40,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023314902] [2021-11-20 05:48:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:40,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,551 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,562 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:40,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:40,564 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2021-11-20 05:48:40,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:40,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957668032] [2021-11-20 05:48:40,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:40,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,577 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,589 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:40,864 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:48:40,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:48:40,865 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:48:40,866 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:48:40,866 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:48:40,866 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:40,866 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:48:40,867 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:48:40,867 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-1.c_Iteration1_Lasso [2021-11-20 05:48:40,867 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:48:40,867 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:48:40,889 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 05:48:40,910 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 05:48:40,920 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 05:48:40,925 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 05:48:40,929 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 05:48:40,951 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 05:48:40,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:40,992 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 05:48:40,996 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 05:48:41,001 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 05:48:41,268 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:48:41,282 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:48:41,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:41,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:41,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:41,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 05:48:41,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:48:41,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:41,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:41,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:41,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:41,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:41,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:41,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:41,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:41,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:41,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:41,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:41,383 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 05:48:41,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:41,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:41,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:41,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:41,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:41,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:41,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 05:48:41,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:41,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:41,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:41,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:41,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:41,480 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 05:48:41,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:41,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:41,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:41,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:41,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:41,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:41,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 05:48:41,518 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:48:41,535 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-20 05:48:41,535 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-20 05:48:41,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:41,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:41,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:41,545 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:48:41,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 05:48:41,575 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 05:48:41,575 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:48:41,576 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 199*ULTIMATE.start_main_~y~0#1 - 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2021-11-20 05:48:41,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:41,624 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 05:48:41,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:41,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 05:48:41,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:48:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:41,717 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 05:48:41,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:48:41,718 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 05:48:41,763 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-20 05:48:41,765 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2021-11-20 05:48:41,853 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) Result 34 states and 40 transitions. Complement of second has 5 states. [2021-11-20 05:48:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 05:48:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2021-11-20 05:48:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2021-11-20 05:48:41,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-20 05:48:41,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:48:41,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 4 letters. Loop has 1 letters. [2021-11-20 05:48:41,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:48:41,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 05:48:41,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:48:41,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2021-11-20 05:48:41,878 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:48:41,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2021-11-20 05:48:41,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 05:48:41,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 05:48:41,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 05:48:41,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:48:41,883 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:48:41,883 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:48:41,883 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:48:41,884 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:48:41,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:48:41,884 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:48:41,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 05:48:41,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:48:41 BoogieIcfgContainer [2021-11-20 05:48:41,896 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:48:41,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:48:41,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:48:41,898 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:48:41,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:40" (3/4) ... [2021-11-20 05:48:41,902 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:48:41,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:48:41,905 INFO L158 Benchmark]: Toolchain (without parser) took 2450.03ms. Allocated memory is still 100.7MB. Free memory was 74.6MB in the beginning and 45.9MB in the end (delta: 28.7MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-20 05:48:41,906 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:48:41,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.94ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 65.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:48:41,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.62ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:48:41,911 INFO L158 Benchmark]: Boogie Preprocessor took 33.74ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 62.6MB in the end (delta: 866.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:48:41,918 INFO L158 Benchmark]: RCFGBuilder took 368.11ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 54.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:48:41,919 INFO L158 Benchmark]: BuchiAutomizer took 1743.05ms. Allocated memory is still 100.7MB. Free memory was 53.8MB in the beginning and 46.2MB in the end (delta: 7.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-11-20 05:48:41,920 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 100.7MB. Free memory was 46.2MB in the beginning and 45.9MB in the end (delta: 373.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:48:41,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.94ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 65.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.62ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 63.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.74ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 62.6MB in the end (delta: 866.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.11ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 54.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1743.05ms. Allocated memory is still 100.7MB. Free memory was 53.8MB in the beginning and 46.2MB in the end (delta: 7.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 100.7MB. Free memory was 46.2MB in the beginning and 45.9MB in the end (delta: 373.4kB). 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 199 * y + -2 * x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital71 mio100 ax100 hnf100 lsp30 ukn63 mio100 lsp85 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf100 neg100 sie123 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 05:48:41,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa6f5a8e-cc9f-4728-ad41-610f6aa54d33/bin/uautomizer-DQz5hQGWxF/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