./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Mysore-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:04:50,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:04:50,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:04:50,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:04:50,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:04:50,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:04:50,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:04:50,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:04:50,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:04:50,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:04:50,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:04:50,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:04:50,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:04:50,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:04:50,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:04:50,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:04:50,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:04:50,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:04:50,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:04:50,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:04:50,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:04:50,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:04:50,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:04:50,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:04:50,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:04:50,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:04:50,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:04:50,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:04:50,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:04:50,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:04:50,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:04:50,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:04:50,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:04:50,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:04:50,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:04:50,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:04:50,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:04:50,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:04:50,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:04:50,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:04:50,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:04:50,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 18:04:50,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:04:50,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:04:50,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:04:50,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:04:50,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:04:50,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:04:50,822 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:04:50,822 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 18:04:50,822 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 18:04:50,822 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 18:04:50,823 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 18:04:50,823 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 18:04:50,823 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 18:04:50,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:04:50,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:04:50,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:04:50,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:04:50,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 18:04:50,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 18:04:50,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 18:04:50,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:04:50,824 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 18:04:50,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:04:50,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 18:04:50,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:04:50,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:04:50,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:04:50,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:04:50,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:04:50,825 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 18:04:50,825 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_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6edfc33d3e5e116b8b5f39fddb65c59ef052d6dfaffe394b38d04501128bfe34 [2021-12-06 18:04:50,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:04:51,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:04:51,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:04:51,015 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:04:51,015 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:04:51,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted/Mysore-3.c [2021-12-06 18:04:51,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/data/b3eea521a/256f7fb95eef47bcbc3f484bc67a2d1f/FLAGa89a3b5c3 [2021-12-06 18:04:51,435 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:04:51,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/sv-benchmarks/c/termination-crafted/Mysore-3.c [2021-12-06 18:04:51,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/data/b3eea521a/256f7fb95eef47bcbc3f484bc67a2d1f/FLAGa89a3b5c3 [2021-12-06 18:04:51,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/data/b3eea521a/256f7fb95eef47bcbc3f484bc67a2d1f [2021-12-06 18:04:51,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:04:51,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:04:51,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:04:51,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:04:51,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:04:51,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fe23c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51, skipping insertion in model container [2021-12-06 18:04:51,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:04:51,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:04:51,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:04:51,586 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:04:51,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:04:51,603 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:04:51,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51 WrapperNode [2021-12-06 18:04:51,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:04:51,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:04:51,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:04:51,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:04:51,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,626 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-12-06 18:04:51,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:04:51,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:04:51,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:04:51,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:04:51,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:04:51,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:04:51,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:04:51,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:04:51,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (1/1) ... [2021-12-06 18:04:51,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:04:51,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:04:51,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:04:51,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 18:04:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:04:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:04:51,741 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:04:51,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:04:51,799 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:04:51,804 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:04:51,804 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:04:51,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:04:51 BoogieIcfgContainer [2021-12-06 18:04:51,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:04:51,806 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 18:04:51,806 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 18:04:51,809 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 18:04:51,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:04:51,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 06:04:51" (1/3) ... [2021-12-06 18:04:51,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df9247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:04:51, skipping insertion in model container [2021-12-06 18:04:51,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:04:51,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:04:51" (2/3) ... [2021-12-06 18:04:51,811 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df9247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:04:51, skipping insertion in model container [2021-12-06 18:04:51,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:04:51,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:04:51" (3/3) ... [2021-12-06 18:04:51,812 INFO L388 chiAutomizerObserver]: Analyzing ICFG Mysore-3.c [2021-12-06 18:04:51,846 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 18:04:51,846 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 18:04:51,847 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 18:04:51,847 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 18:04:51,847 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 18:04:51,847 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 18:04:51,847 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 18:04:51,847 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 18:04:51,857 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) [2021-12-06 18:04:51,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 18:04:51,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:04:51,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:04:51,874 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 18:04:51,874 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 18:04:51,875 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 18:04:51,875 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) [2021-12-06 18:04:51,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 18:04:51,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:04:51,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:04:51,876 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 18:04:51,876 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 18:04:51,881 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 [2021-12-06 18:04:51,881 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 [2021-12-06 18:04:51,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:51,885 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2021-12-06 18:04:51,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:04:51,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109612611] [2021-12-06 18:04:51,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:51,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:04:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:04:51,951 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:04:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:04:51,965 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:04:51,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:51,967 INFO L85 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2021-12-06 18:04:51,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:04:51,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473364935] [2021-12-06 18:04:51,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:51,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:04:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:04:51,975 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:04:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:04:51,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:04:51,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:51,981 INFO L85 PathProgramCache]: Analyzing trace with hash 889571281, now seen corresponding path program 1 times [2021-12-06 18:04:51,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:04:51,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355590181] [2021-12-06 18:04:51,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:51,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:04:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:04:51,989 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:04:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:04:51,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:04:52,044 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:04:52,045 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:04:52,045 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:04:52,045 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:04:52,045 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:04:52,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:04:52,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:04:52,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:04:52,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-3.c_Iteration1_Loop [2021-12-06 18:04:52,045 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:04:52,046 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:04:52,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:04:52,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:04:52,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:04:52,127 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:04:52,127 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:04:52,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:04:52,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:04:52,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:04:52,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 18:04:52,131 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:04:52,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:04:52,148 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:04:52,149 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: [] [2021-12-06 18:04:52,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:04:52,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:04:52,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:04:52,169 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:04:52,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 18:04:52,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:04:52,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:04:52,185 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:04:52,185 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: [] [2021-12-06 18:04:52,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 18:04:52,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:04:52,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:04:52,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:04:52,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 18:04:52,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:04:52,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:04:52,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 18:04:52,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:04:52,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:04:52,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:04:52,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 18:04:52,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:04:52,236 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:04:52,323 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:04:52,324 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] [2021-12-06 18:04:52,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 18:04:52,375 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:04:52,375 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:04:52,375 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:04:52,375 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:04:52,375 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:04:52,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:04:52,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:04:52,376 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:04:52,376 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-3.c_Iteration1_Lasso [2021-12-06 18:04:52,376 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:04:52,376 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:04:52,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:04:52,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:04:52,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:04:52,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:04:52,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:04:52,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:04:52,441 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:04:52,441 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:04:52,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:04:52,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:04:52,442 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:04:52,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 18:04:52,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:04:52,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:04:52,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 18:04:52,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:04:52,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:04:52,472 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:04:52,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 18:04:52,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:04:52,474 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:05:01,851 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:05:01,851 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] [2021-12-06 18:05:01,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 18:05:01,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:05:01,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:01,874 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:05:01,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 18:05:01,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:05:01,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:05:01,889 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:05:01,889 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: [] [2021-12-06 18:05:01,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 18:05:01,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:05:01,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:01,908 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:05:01,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 18:05:01,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:05:01,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:05:01,917 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:05:01,917 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: [] [2021-12-06 18:05:01,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 18:05:01,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:05:01,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:01,937 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:05:01,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 18:05:01,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:05:01,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:05:01,947 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:05:01,947 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: [] [2021-12-06 18:05:01,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 18:05:01,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:05:01,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:01,966 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:05:01,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 18:05:01,968 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:05:01,968 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:05:01,980 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:05:01,980 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: [] [2021-12-06 18:05:01,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 18:05:01,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:05:01,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:02,000 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:05:02,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 18:05:02,002 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:05:02,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:05:02,010 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:05:02,010 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: [] [2021-12-06 18:05:02,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 18:05:02,035 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-12-06 18:05:02,036 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-12-06 18:05:02,036 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-12-06 18:05:02,036 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-12-06 18:05:02,037 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-12-06 18:05:02,037 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-12-06 18:05:02,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 06:05:02 BoogieIcfgContainer [2021-12-06 18:05:02,043 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 18:05:02,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:05:02,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:05:02,044 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:05:02,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:04:51" (3/4) ... [2021-12-06 18:05:02,046 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-06 18:05:02,067 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 18:05:02,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:05:02,068 INFO L158 Benchmark]: Toolchain (without parser) took 10613.09ms. Allocated memory is still 134.2MB. Free memory was 102.8MB in the beginning and 53.6MB in the end (delta: 49.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2021-12-06 18:05:02,068 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 79.7MB. Free memory is still 34.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:05:02,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.06ms. Allocated memory is still 134.2MB. Free memory was 102.8MB in the beginning and 110.9MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 18:05:02,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.46ms. Allocated memory is still 134.2MB. Free memory was 110.9MB in the beginning and 109.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:05:02,069 INFO L158 Benchmark]: Boogie Preprocessor took 11.68ms. Allocated memory is still 134.2MB. Free memory was 109.3MB in the beginning and 108.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:05:02,070 INFO L158 Benchmark]: RCFGBuilder took 166.92ms. Allocated memory is still 134.2MB. Free memory was 108.2MB in the beginning and 99.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 18:05:02,070 INFO L158 Benchmark]: BuchiAutomizer took 10236.97ms. Allocated memory is still 134.2MB. Free memory was 99.8MB in the beginning and 55.0MB in the end (delta: 44.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-12-06 18:05:02,070 INFO L158 Benchmark]: Witness Printer took 23.27ms. Allocated memory is still 134.2MB. Free memory was 55.0MB in the beginning and 53.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:05:02,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 79.7MB. Free memory is still 34.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.06ms. Allocated memory is still 134.2MB. Free memory was 102.8MB in the beginning and 110.9MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.46ms. Allocated memory is still 134.2MB. Free memory was 110.9MB in the beginning and 109.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.68ms. Allocated memory is still 134.2MB. Free memory was 109.3MB in the beginning and 108.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 166.92ms. Allocated memory is still 134.2MB. Free memory was 108.2MB in the beginning and 99.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 10236.97ms. Allocated memory is still 134.2MB. Free memory was 99.8MB in the beginning and 55.0MB in the end (delta: 44.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 23.27ms. Allocated memory is still 134.2MB. Free memory was 55.0MB in the beginning and 53.6MB in the end (delta: 1.4MB). 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 10.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 10.1s. 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: 9.6s - 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. [2021-12-06 18:05:02,077 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-12-06 18:05:02,077 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-12-06 18:05:02,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-12-06 18:05:02,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-12-06 18:05:02,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-12-06 18:05:02,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-12-06 18:05:02,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-12-06 18:05:02,079 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-12-06 18:05:02,079 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-12-06 18:05:02,079 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-12-06 18:05:02,079 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-12-06 18:05:02,079 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@734dd8c5=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d06fc6b=0, c=0} State at position 1 is {x=49153, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@734dd8c5=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d06fc6b=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@734dd8c5=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d06fc6b=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! [2021-12-06 18:05:02,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13da48a-30c6-40b3-aad1-ab0101bb8527/bin/uautomizer-DrprNOufMa/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)