./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Mysore-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Mysore-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6edfc33d3e5e116b8b5f39fddb65c59ef052d6dfaffe394b38d04501128bfe34 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:53:45,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:53:45,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:53:45,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:53:45,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:53:45,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:53:45,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:53:45,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:53:45,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:53:45,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:53:45,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:53:45,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:53:45,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:53:45,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:53:45,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:53:45,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:53:45,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:53:45,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:53:45,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:53:45,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:53:45,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:53:45,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:53:45,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:53:45,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:53:45,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:53:45,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:53:45,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:53:45,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:53:45,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:53:45,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:53:45,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:53:45,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:53:45,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:53:45,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:53:45,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:53:45,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:53:45,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:53:45,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:53:45,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:53:45,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:53:45,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:53:45,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-13 18:53:45,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:53:45,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:53:45,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:53:45,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:53:45,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:53:45,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:53:45,254 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:53:45,254 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:53:45,254 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:53:45,255 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:53:45,256 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:53:45,256 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:53:45,256 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:53:45,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:53:45,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:53:45,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:53:45,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:53:45,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:53:45,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:53:45,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:53:45,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:53:45,258 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:53:45,259 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:53:45,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:53:45,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:53:45,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:53:45,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:53:45,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:53:45,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:53:45,261 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:53:45,262 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_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6edfc33d3e5e116b8b5f39fddb65c59ef052d6dfaffe394b38d04501128bfe34 [2021-11-13 18:53:45,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:53:45,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:53:45,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:53:45,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:53:45,617 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:53:45,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-crafted/Mysore-3.c [2021-11-13 18:53:45,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/data/11b2a4981/1387c43826b54d9788f66acfe14a5ab5/FLAG3f15dc634 [2021-11-13 18:53:46,127 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:53:46,128 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/sv-benchmarks/c/termination-crafted/Mysore-3.c [2021-11-13 18:53:46,140 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/data/11b2a4981/1387c43826b54d9788f66acfe14a5ab5/FLAG3f15dc634 [2021-11-13 18:53:46,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/data/11b2a4981/1387c43826b54d9788f66acfe14a5ab5 [2021-11-13 18:53:46,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:53:46,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:53:46,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:53:46,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:53:46,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:53:46,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea3ab25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46, skipping insertion in model container [2021-11-13 18:53:46,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:53:46,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:53:46,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:53:46,752 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:53:46,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:53:46,776 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:53:46,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46 WrapperNode [2021-11-13 18:53:46,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:53:46,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:53:46,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:53:46,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:53:46,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:53:46,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:53:46,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:53:46,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:53:46,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:53:46,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:53:46,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:53:46,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:53:46,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (1/1) ... [2021-11-13 18:53:46,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:46,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:46,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:46,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:53:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:53:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:53:47,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:53:47,093 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:53:47,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:53:47 BoogieIcfgContainer [2021-11-13 18:53:47,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:53:47,096 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:53:47,096 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:53:47,100 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:53:47,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:53:47,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:53:46" (1/3) ... [2021-11-13 18:53:47,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3832d593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:53:47, skipping insertion in model container [2021-11-13 18:53:47,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:53:47,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:46" (2/3) ... [2021-11-13 18:53:47,103 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3832d593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:53:47, skipping insertion in model container [2021-11-13 18:53:47,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:53:47,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:53:47" (3/3) ... [2021-11-13 18:53:47,105 INFO L388 chiAutomizerObserver]: Analyzing ICFG Mysore-3.c [2021-11-13 18:53:47,153 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:53:47,154 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:53:47,154 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:53:47,154 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:53:47,154 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:53:47,154 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:53:47,154 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:53:47,154 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:53:47,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2021-11-13 18:53:47,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-13 18:53:47,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:53:47,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:53:47,194 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-13 18:53:47,194 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-13 18:53:47,194 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:53:47,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2021-11-13 18:53:47,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-13 18:53:47,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:53:47,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:53:47,197 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-13 18:53:47,197 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-13 18:53:47,203 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L18true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 10#L19true assume !!(-65535 <= main_~c~0#1 && main_~c~0#1 <= 65535); 11#L20true assume main_~c~0#1 < 0; 6#L21-2true [2021-11-13 18:53:47,204 INFO L793 eck$LassoCheckResult]: Loop: 6#L21-2true assume !!(main_~x~0#1 + main_~c~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~c~0#1;main_~c~0#1 := main_~c~0#1 - 1; 6#L21-2true [2021-11-13 18:53:47,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:47,209 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2021-11-13 18:53:47,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:47,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569904134] [2021-11-13 18:53:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:47,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:47,288 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:53:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:47,309 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:53:47,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2021-11-13 18:53:47,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:47,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263342371] [2021-11-13 18:53:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:47,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:47,324 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:53:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:47,330 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:53:47,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:47,332 INFO L85 PathProgramCache]: Analyzing trace with hash 889571281, now seen corresponding path program 1 times [2021-11-13 18:53:47,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:47,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123019314] [2021-11-13 18:53:47,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:47,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:47,343 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:53:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:47,352 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:53:47,420 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:53:47,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:53:47,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:53:47,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:53:47,421 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:53:47,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:47,421 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:53:47,422 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:53:47,422 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-3.c_Iteration1_Loop [2021-11-13 18:53:47,422 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:53:47,422 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:53:47,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:53:47,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:53:47,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:53:47,576 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:53:47,585 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:53:47,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:47,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:47,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:47,619 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:53:47,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:47,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 18:53:47,643 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:53:47,643 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:53:47,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:47,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:47,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:47,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:53:47,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:47,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 18:53:47,750 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:53:47,750 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:53:47,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:47,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:47,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:47,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:47,794 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:53:47,794 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:47,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 18:53:47,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:47,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:47,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:47,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:53:47,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:47,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 18:53:47,991 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:53:47,991 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=7, ULTIMATE.start_main_~c~0#1=-7} Honda state: {ULTIMATE.start_main_~x~0#1=7, ULTIMATE.start_main_~c~0#1=-7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~c~0#1=-1}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~c~0#1=0}, {ULTIMATE.start_main_~x~0#1=5, ULTIMATE.start_main_~c~0#1=0}] Lambdas: [1, 1, 1] Nus: [1, 0] [2021-11-13 18:53:48,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:48,094 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:53:48,094 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:53:48,094 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:53:48,104 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:53:48,104 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:53:48,104 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:48,104 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:53:48,104 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:53:48,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-3.c_Iteration1_Lasso [2021-11-13 18:53:48,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:53:48,105 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:53:48,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:53:48,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:53:48,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:53:48,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:53:48,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:53:48,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:53:48,264 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:53:48,264 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:53:48,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:48,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:48,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:48,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 18:53:48,358 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:53:48,358 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:48,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:48,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:48,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:48,431 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:48,438 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:53:48,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:48,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 18:53:59,275 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:53:59,275 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0, ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=-49153, ULTIMATE.start_main_~x~0#1=49153} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=-1, ULTIMATE.start_main_~x~0#1=49152}, {ULTIMATE.start_main_~c~0#1=0, ULTIMATE.start_main_~x~0#1=1}, {ULTIMATE.start_main_~c~0#1=0, ULTIMATE.start_main_~x~0#1=0}] Lambdas: [1, 1, 65538] Nus: [1, 0] [2021-11-13 18:53:59,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-13 18:53:59,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:59,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:59,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 18:53:59,325 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:53:59,325 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:59,340 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:53:59,340 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:53:59,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:59,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:59,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:59,361 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:59,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 18:53:59,365 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:53:59,365 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:59,386 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:53:59,386 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:53:59,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-13 18:53:59,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:59,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:59,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:59,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 18:53:59,438 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:53:59,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:59,466 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:53:59,466 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:53:59,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:59,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:59,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:59,506 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:59,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:53:59,517 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:59,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 18:53:59,532 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:53:59,532 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:53:59,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:59,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:59,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:59,556 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:59,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 18:53:59,558 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:53:59,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:53:59,579 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:53:59,580 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:53:59,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:59,613 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-13 18:53:59,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-13 18:53:59,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-13 18:53:59,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-13 18:53:59,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-13 18:53:59,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-13 18:53:59,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:53:59 BoogieIcfgContainer [2021-11-13 18:53:59,625 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:53:59,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:53:59,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:53:59,626 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:53:59,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:53:47" (3/4) ... [2021-11-13 18:53:59,629 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-13 18:53:59,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:53:59,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:53:59,659 INFO L158 Benchmark]: Toolchain (without parser) took 13115.77ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 52.1MB in the beginning and 77.4MB in the end (delta: -25.3MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2021-11-13 18:53:59,660 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:53:59,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.28ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 51.9MB in the beginning and 96.8MB in the end (delta: -44.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-13 18:53:59,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.23ms. Allocated memory is still 119.5MB. Free memory was 96.5MB in the beginning and 95.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:53:59,662 INFO L158 Benchmark]: Boogie Preprocessor took 34.34ms. Allocated memory is still 119.5MB. Free memory was 95.5MB in the beginning and 94.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:53:59,663 INFO L158 Benchmark]: RCFGBuilder took 243.47ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 86.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:53:59,663 INFO L158 Benchmark]: BuchiAutomizer took 12529.09ms. Allocated memory is still 119.5MB. Free memory was 86.0MB in the beginning and 79.0MB in the end (delta: 7.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-13 18:53:59,664 INFO L158 Benchmark]: Witness Printer took 32.03ms. Allocated memory is still 119.5MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:53:59,667 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.28ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 51.9MB in the beginning and 96.8MB in the end (delta: -44.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.23ms. Allocated memory is still 119.5MB. Free memory was 96.5MB in the beginning and 95.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.34ms. Allocated memory is still 119.5MB. Free memory was 95.5MB in the beginning and 94.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 243.47ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 86.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 12529.09ms. Allocated memory is still 119.5MB. Free memory was 86.0MB in the beginning and 79.0MB in the end (delta: 7.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 32.03ms. Allocated memory is still 119.5MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 12.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax153 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf103 neg100 sie102 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 11.4s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 21]: Nontermination argument in form of an infinite program execution. [2021-11-13 18:53:59,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-13 18:53:59,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-13 18:53:59,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-13 18:53:59,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-13 18:53:59,677 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-13 18:53:59,677 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-13 18:53:59,677 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-13 18:53:59,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-13 18:53:59,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-13 18:53:59,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-13 18:53:59,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-13 18:53:59,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@474f3b9f=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ed1fcea=0, c=0} State at position 1 is {x=49153, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@474f3b9f=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ed1fcea=0, c=-49153} For i>1, the state at position i is {x=49153 + sum_{k=0}^i 49152 + 1 + 1*k, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@474f3b9f=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ed1fcea=0 + sum_{k=0}^i 0, c=-49153 + sum_{k=0}^i -1} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [1, 1, 65538] Mus: [1, 0] - NonterminatingLassoResult [Line: 21]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x; [L14] int c; [L15] x = __VERIFIER_nondet_int() [L16] c = __VERIFIER_nondet_int() [L18] COND FALSE !(!(-65535<=x && x<=65535)) [L19] COND FALSE !(!(-65535<=c && c<=65535)) [L20] COND TRUE c < 0 Loop: [L21] COND TRUE x + c >= 0 [L22] x = x - c [L23] c = c - 1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 18:53:59,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c60882e8-4703-4cd0-8ad7-811350d9e890/bin/uautomizer-YU5uOKAj3y/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)