./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.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_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/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_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/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_6b3ac598-4136-477b-9b60-b8bb406bb024/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 f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:33:47,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:33:47,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:33:47,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:33:47,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:33:47,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:33:47,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:33:47,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:33:47,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:33:47,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:33:47,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:33:47,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:33:47,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:33:47,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:33:47,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:33:47,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:33:47,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:33:47,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:33:47,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:33:47,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:33:47,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:33:47,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:33:47,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:33:47,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:33:47,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:33:47,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:33:47,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:33:47,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:33:47,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:33:47,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:33:47,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:33:47,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:33:47,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:33:47,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:33:47,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:33:47,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:33:47,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:33:47,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:33:47,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:33:47,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:33:47,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:33:47,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-07 01:33:47,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:33:47,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:33:47,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:33:47,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:33:47,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:33:47,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:33:47,915 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:33:47,915 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 01:33:47,915 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 01:33:47,915 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 01:33:47,915 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 01:33:47,915 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 01:33:47,915 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 01:33:47,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:33:47,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 01:33:47,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:33:47,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:33:47,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 01:33:47,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 01:33:47,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 01:33:47,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:33:47,917 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 01:33:47,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:33:47,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 01:33:47,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:33:47,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:33:47,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:33:47,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:33:47,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:33:47,918 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 01:33:47,918 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_6b3ac598-4136-477b-9b60-b8bb406bb024/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 [2021-12-07 01:33:48,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:33:48,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:33:48,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:33:48,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:33:48,138 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:33:48,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-12-07 01:33:48,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/data/eb1ee5431/3e661ed5ffcd47af8a7b45cd812388d9/FLAG855c6cade [2021-12-07 01:33:48,529 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:33:48,530 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-12-07 01:33:48,534 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/data/eb1ee5431/3e661ed5ffcd47af8a7b45cd812388d9/FLAG855c6cade [2021-12-07 01:33:48,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/data/eb1ee5431/3e661ed5ffcd47af8a7b45cd812388d9 [2021-12-07 01:33:48,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:33:48,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:33:48,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:33:48,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:33:48,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:33:48,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b509fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48, skipping insertion in model container [2021-12-07 01:33:48,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:33:48,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:33:48,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:33:48,683 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:33:48,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:33:48,703 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:33:48,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48 WrapperNode [2021-12-07 01:33:48,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:33:48,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:33:48,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:33:48,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:33:48,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,732 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-07 01:33:48,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:33:48,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:33:48,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:33:48,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:33:48,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:33:48,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:33:48,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:33:48,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:33:48,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (1/1) ... [2021-12-07 01:33:48,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:48,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:48,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:48,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 01:33:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:33:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:33:48,856 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:33:48,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:33:48,898 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:33:48,903 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:33:48,903 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:33:48,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:33:48 BoogieIcfgContainer [2021-12-07 01:33:48,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:33:48,906 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 01:33:48,906 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 01:33:48,908 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 01:33:48,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:33:48,909 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:33:48" (1/3) ... [2021-12-07 01:33:48,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30ca57cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:33:48, skipping insertion in model container [2021-12-07 01:33:48,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:33:48,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:48" (2/3) ... [2021-12-07 01:33:48,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30ca57cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:33:48, skipping insertion in model container [2021-12-07 01:33:48,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:33:48,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:33:48" (3/3) ... [2021-12-07 01:33:48,911 INFO L388 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-12-07 01:33:48,944 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 01:33:48,944 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 01:33:48,945 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 01:33:48,945 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 01:33:48,945 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 01:33:48,945 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 01:33:48,945 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 01:33:48,945 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 01:33:48,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-12-07 01:33:48,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 01:33:48,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:33:48,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:33:48,975 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 01:33:48,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 01:33:48,976 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 01:33:48,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-12-07 01:33:48,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 01:33:48,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:33:48,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:33:48,977 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 01:33:48,977 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 01:33:48,982 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#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_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L17-2true [2021-12-07 01:33:48,982 INFO L793 eck$LassoCheckResult]: Loop: 5#L17-2true assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 3#L19-2true assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 10#L19-3true main_~i~0#1 := 1 + main_~i~0#1; 5#L17-2true [2021-12-07 01:33:48,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-07 01:33:48,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:48,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534829554] [2021-12-07 01:33:48,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:48,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,065 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,081 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:49,084 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2021-12-07 01:33:49,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:49,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619264703] [2021-12-07 01:33:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:49,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,094 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,099 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:49,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:49,100 INFO L85 PathProgramCache]: Analyzing trace with hash 28699886, now seen corresponding path program 1 times [2021-12-07 01:33:49,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:49,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980205575] [2021-12-07 01:33:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:49,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,107 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:49,169 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:49,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:49,170 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:49,170 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:49,170 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 01:33:49,170 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,170 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:49,170 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:49,170 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration1_Loop [2021-12-07 01:33:49,170 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:49,170 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:49,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:49,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:49,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:49,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:49,262 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:49,263 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 01:33:49,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 01:33:49,268 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:49,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:49,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 01:33:49,290 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: [] [2021-12-07 01:33:49,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:33:49,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 01:33:49,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:49,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:49,339 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 01:33:49,339 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: [] [2021-12-07 01:33:49,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 01:33:49,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,359 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 01:33:49,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:49,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:49,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 01:33:49,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,393 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 01:33:49,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 01:33:49,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:49,434 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 01:33:49,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 01:33:49,437 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:49,437 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:49,437 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:49,437 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:49,437 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:33:49,438 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,438 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:49,438 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:49,438 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration1_Loop [2021-12-07 01:33:49,438 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:49,438 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:49,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:49,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:49,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:49,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:49,482 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:49,486 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:33:49,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 01:33:49,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:49,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:49,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:49,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:49,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:49,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:33:49,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:33:49,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:33:49,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 01:33:49,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,529 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 01:33:49,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:49,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:49,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:49,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:49,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:49,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:33:49,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:33:49,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:33:49,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 01:33:49,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,571 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 01:33:49,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:49,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:49,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:33:49,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:49,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:49,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:49,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:33:49,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:33:49,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:33:49,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 01:33:49,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,605 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 01:33:49,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:49,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:49,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:33:49,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:49,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:49,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:49,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:33:49,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:33:49,617 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:33:49,620 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 01:33:49,620 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 01:33:49,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:49,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,622 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 01:33:49,667 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:33:49,667 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 01:33:49,667 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:33:49,668 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 5 Supporting invariants [] [2021-12-07 01:33:49,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 01:33:49,706 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 01:33:49,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:49,736 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:33:49,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:49,749 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:33:49,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:49,822 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-07 01:33:49,823 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-12-07 01:33:49,869 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 49 transitions. Complement of second has 9 states. [2021-12-07 01:33:49,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-07 01:33:49,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-12-07 01:33:49,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2021-12-07 01:33:49,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 3 letters. [2021-12-07 01:33:49,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:49,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-07 01:33:49,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:49,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-07 01:33:49,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:49,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 49 transitions. [2021-12-07 01:33:49,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 01:33:49,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 14 states and 19 transitions. [2021-12-07 01:33:49,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-07 01:33:49,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-07 01:33:49,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2021-12-07 01:33:49,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:33:49,883 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-12-07 01:33:49,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2021-12-07 01:33:49,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2021-12-07 01:33:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-12-07 01:33:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-12-07 01:33:49,901 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-12-07 01:33:49,901 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-12-07 01:33:49,901 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 01:33:49,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2021-12-07 01:33:49,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 01:33:49,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:33:49,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:33:49,902 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-07 01:33:49,902 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 01:33:49,902 INFO L791 eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 95#L-1 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_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 96#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 87#L19-2 [2021-12-07 01:33:49,902 INFO L793 eck$LassoCheckResult]: Loop: 87#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 88#L19-2 assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 97#L19-3 main_~i~0#1 := 1 + main_~i~0#1; 92#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 87#L19-2 [2021-12-07 01:33:49,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:49,903 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-12-07 01:33:49,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:49,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85066692] [2021-12-07 01:33:49,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:49,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,906 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:49,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:49,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1537394, now seen corresponding path program 1 times [2021-12-07 01:33:49,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:49,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955558670] [2021-12-07 01:33:49,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:49,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,914 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:49,918 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:49,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:49,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1810841241, now seen corresponding path program 1 times [2021-12-07 01:33:49,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:49,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106762003] [2021-12-07 01:33:49,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:49,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:49,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:49,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:49,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106762003] [2021-12-07 01:33:49,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106762003] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:33:49,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51159797] [2021-12-07 01:33:49,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:49,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:33:49,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:49,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 01:33:49,967 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:33:49,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-07 01:33:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:49,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:33:49,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:50,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:33:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:50,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51159797] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:33:50,040 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:33:50,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-07 01:33:50,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161748484] [2021-12-07 01:33:50,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:33:50,079 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:50,080 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:50,080 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:50,080 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:50,080 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 01:33:50,080 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,080 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:50,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:50,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration2_Loop [2021-12-07 01:33:50,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:50,080 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:50,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,127 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:50,127 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 01:33:50,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,129 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 01:33:50,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:50,130 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:50,147 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 01:33:50,147 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 01:33:50,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-07 01:33:50,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,167 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 01:33:50,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:50,168 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:50,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-07 01:33:50,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,196 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 01:33:50,197 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 01:33:50,197 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:50,206 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 01:33:50,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-07 01:33:50,225 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:50,225 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:50,225 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:50,225 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:50,225 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:33:50,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:50,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:50,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration2_Loop [2021-12-07 01:33:50,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:50,225 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:50,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,260 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:50,260 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:33:50,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,261 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 01:33:50,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:50,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:50,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:33:50,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:50,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:50,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:50,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:33:50,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:33:50,272 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:33:50,275 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 01:33:50,275 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-07 01:33:50,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,276 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-07 01:33:50,277 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:33:50,277 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 01:33:50,277 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:33:50,277 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2021-12-07 01:33:50,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-07 01:33:50,296 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 01:33:50,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:50,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:33:50,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:50,313 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 01:33:50,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:50,335 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-07 01:33:50,335 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:33:50,364 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 9 states. [2021-12-07 01:33:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-07 01:33:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:33:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2021-12-07 01:33:50,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-07 01:33:50,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:50,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-07 01:33:50,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:50,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2021-12-07 01:33:50,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:50,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2021-12-07 01:33:50,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-07 01:33:50,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 26 states and 36 transitions. [2021-12-07 01:33:50,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-07 01:33:50,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-07 01:33:50,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2021-12-07 01:33:50,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:33:50,369 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-12-07 01:33:50,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2021-12-07 01:33:50,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2021-12-07 01:33:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 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) [2021-12-07 01:33:50,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2021-12-07 01:33:50,371 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2021-12-07 01:33:50,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:50,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:33:50,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:33:50,374 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-12-07 01:33:50,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:50,393 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2021-12-07 01:33:50,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:33:50,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2021-12-07 01:33:50,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-07 01:33:50,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2021-12-07 01:33:50,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-07 01:33:50,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-07 01:33:50,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2021-12-07 01:33:50,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:33:50,396 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-12-07 01:33:50,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2021-12-07 01:33:50,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2021-12-07 01:33:50,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 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) [2021-12-07 01:33:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2021-12-07 01:33:50,398 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-12-07 01:33:50,398 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-12-07 01:33:50,398 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-07 01:33:50,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2021-12-07 01:33:50,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-07 01:33:50,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:33:50,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:33:50,399 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-07 01:33:50,399 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 1, 1, 1] [2021-12-07 01:33:50,399 INFO L791 eck$LassoCheckResult]: Stem: 279#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 280#L-1 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_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 281#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 272#L19-2 [2021-12-07 01:33:50,399 INFO L793 eck$LassoCheckResult]: Loop: 272#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 273#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 287#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 286#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 285#L19-2 assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 282#L19-3 main_~i~0#1 := 1 + main_~i~0#1; 276#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 272#L19-2 [2021-12-07 01:33:50,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:50,399 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2021-12-07 01:33:50,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:50,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142946926] [2021-12-07 01:33:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:50,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,403 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,405 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:50,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:50,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1390285212, now seen corresponding path program 2 times [2021-12-07 01:33:50,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:50,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159136430] [2021-12-07 01:33:50,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:50,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,412 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:50,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:50,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2036023261, now seen corresponding path program 2 times [2021-12-07 01:33:50,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:50,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529672757] [2021-12-07 01:33:50,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:50,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:50,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:50,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529672757] [2021-12-07 01:33:50,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529672757] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:33:50,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147743999] [2021-12-07 01:33:50,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:33:50,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:33:50,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,464 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-07 01:33:50,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 01:33:50,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:33:50,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 01:33:50,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:50,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:33:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:50,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147743999] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:33:50,599 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:33:50,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2021-12-07 01:33:50,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918398594] [2021-12-07 01:33:50,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:33:50,636 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:50,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:50,637 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:50,637 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:50,637 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 01:33:50,637 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,637 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:50,637 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:50,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration3_Loop [2021-12-07 01:33:50,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:50,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:50,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,672 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:50,672 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 01:33:50,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,673 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-07 01:33:50,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:50,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:50,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-07 01:33:50,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,701 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-07 01:33:50,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 01:33:50,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:50,733 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 01:33:50,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-07 01:33:50,735 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:50,736 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:50,736 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:50,736 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:50,736 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:33:50,736 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:50,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:50,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration3_Loop [2021-12-07 01:33:50,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:50,736 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:50,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,767 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:50,767 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:33:50,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,768 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-07 01:33:50,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:50,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:50,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:33:50,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:50,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:50,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:50,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:33:50,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:33:50,781 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:33:50,783 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 01:33:50,783 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 01:33:50,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,784 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-07 01:33:50,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:33:50,789 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 01:33:50,789 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:33:50,789 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 7 Supporting invariants [] [2021-12-07 01:33:50,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-07 01:33:50,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-07 01:33:50,808 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 01:33:50,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:50,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:33:50,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:50,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:33:50,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-07 01:33:50,843 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 01:33:50,843 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-12-07 01:33:50,857 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 42 transitions. Complement of second has 6 states. [2021-12-07 01:33:50,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-07 01:33:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-12-07 01:33:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2021-12-07 01:33:50,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 7 letters. [2021-12-07 01:33:50,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:50,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 10 letters. Loop has 7 letters. [2021-12-07 01:33:50,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:50,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 14 letters. [2021-12-07 01:33:50,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:50,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2021-12-07 01:33:50,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-07 01:33:50,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 31 transitions. [2021-12-07 01:33:50,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-07 01:33:50,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-07 01:33:50,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2021-12-07 01:33:50,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:33:50,861 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-12-07 01:33:50,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2021-12-07 01:33:50,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2021-12-07 01:33:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 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) [2021-12-07 01:33:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-12-07 01:33:50,864 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-12-07 01:33:50,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:50,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:33:50,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:33:50,865 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. Second operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2021-12-07 01:33:50,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:50,891 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2021-12-07 01:33:50,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:33:50,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 49 transitions. [2021-12-07 01:33:50,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-07 01:33:50,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 49 transitions. [2021-12-07 01:33:50,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-07 01:33:50,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-07 01:33:50,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 49 transitions. [2021-12-07 01:33:50,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:33:50,893 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 49 transitions. [2021-12-07 01:33:50,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 49 transitions. [2021-12-07 01:33:50,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2021-12-07 01:33:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 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) [2021-12-07 01:33:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-12-07 01:33:50,895 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-12-07 01:33:50,896 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-12-07 01:33:50,896 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-07 01:33:50,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-12-07 01:33:50,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-07 01:33:50,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:33:50,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:33:50,896 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-07 01:33:50,897 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-07 01:33:50,897 INFO L791 eck$LassoCheckResult]: Stem: 514#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 515#L-1 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_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 510#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 511#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 507#L19-2 [2021-12-07 01:33:50,897 INFO L793 eck$LassoCheckResult]: Loop: 507#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 507#L19-2 [2021-12-07 01:33:50,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:50,897 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2021-12-07 01:33:50,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:50,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054751721] [2021-12-07 01:33:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:50,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,900 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:50,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:50,903 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2021-12-07 01:33:50,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:50,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227291614] [2021-12-07 01:33:50,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:50,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,905 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,907 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:50,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:50,907 INFO L85 PathProgramCache]: Analyzing trace with hash 28699944, now seen corresponding path program 2 times [2021-12-07 01:33:50,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:50,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278564960] [2021-12-07 01:33:50,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:50,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,910 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:50,913 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:50,921 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:50,921 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:50,921 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:50,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:50,921 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 01:33:50,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:50,922 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:50,922 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration4_Loop [2021-12-07 01:33:50,922 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:50,922 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:50,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:50,943 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:50,944 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 01:33:50,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,944 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-07 01:33:50,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:50,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:50,958 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 01:33:50,958 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 01:33:50,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-07 01:33:50,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:50,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:50,978 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:50,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-07 01:33:50,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:50,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:50,991 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 01:33:50,991 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 01:33:51,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-07 01:33:51,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,010 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-07 01:33:51,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:51,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:51,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-07 01:33:51,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,040 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-07 01:33:51,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 01:33:51,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:51,071 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 01:33:51,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-07 01:33:51,073 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:51,074 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:51,074 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:51,074 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:51,074 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:33:51,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:51,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:51,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration4_Loop [2021-12-07 01:33:51,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:51,074 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:51,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,095 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:51,095 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:33:51,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,096 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-07 01:33:51,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:51,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:51,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:51,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:51,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:51,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:33:51,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:33:51,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:33:51,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-07 01:33:51,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,129 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-07 01:33:51,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:51,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:51,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:51,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:51,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:51,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:33:51,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:33:51,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:33:51,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-07 01:33:51,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,159 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-07 01:33:51,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:51,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:51,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:33:51,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:51,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:51,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:51,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:33:51,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:33:51,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:33:51,173 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 01:33:51,173 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 01:33:51,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,174 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-07 01:33:51,175 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:33:51,175 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 01:33:51,175 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:33:51,175 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 19 Supporting invariants [] [2021-12-07 01:33:51,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-07 01:33:51,193 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 01:33:51,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:51,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:33:51,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:51,206 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:33:51,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:51,207 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-07 01:33:51,207 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 10 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-12-07 01:33:51,213 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 10. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 79 transitions. Complement of second has 5 states. [2021-12-07 01:33:51,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 01:33:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-12-07 01:33:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2021-12-07 01:33:51,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 1 letters. [2021-12-07 01:33:51,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:51,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 1 letters. [2021-12-07 01:33:51,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:51,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-07 01:33:51,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:51,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 79 transitions. [2021-12-07 01:33:51,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-07 01:33:51,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 61 states and 72 transitions. [2021-12-07 01:33:51,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-07 01:33:51,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-07 01:33:51,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 72 transitions. [2021-12-07 01:33:51,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:33:51,217 INFO L681 BuchiCegarLoop]: Abstraction has 61 states and 72 transitions. [2021-12-07 01:33:51,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 72 transitions. [2021-12-07 01:33:51,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 37. [2021-12-07 01:33:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 36 states have internal predecessors, (46), 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) [2021-12-07 01:33:51,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2021-12-07 01:33:51,220 INFO L704 BuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2021-12-07 01:33:51,220 INFO L587 BuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2021-12-07 01:33:51,220 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-07 01:33:51,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 46 transitions. [2021-12-07 01:33:51,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-07 01:33:51,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:33:51,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:33:51,221 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [11, 2, 1, 1, 1, 1] [2021-12-07 01:33:51,221 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-07 01:33:51,221 INFO L791 eck$LassoCheckResult]: Stem: 649#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 650#L-1 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_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 645#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 642#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 643#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 644#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 677#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 675#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 673#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 671#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 669#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 667#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 665#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 663#L19-2 assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 651#L19-3 main_~i~0#1 := 1 + main_~i~0#1; 652#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 653#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 654#L19-2 [2021-12-07 01:33:51,221 INFO L793 eck$LassoCheckResult]: Loop: 654#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 654#L19-2 [2021-12-07 01:33:51,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:51,221 INFO L85 PathProgramCache]: Analyzing trace with hash -178305705, now seen corresponding path program 3 times [2021-12-07 01:33:51,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:51,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277732597] [2021-12-07 01:33:51,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:51,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:51,230 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:51,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:51,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:51,239 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 2 times [2021-12-07 01:33:51,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:51,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099363067] [2021-12-07 01:33:51,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:51,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:51,242 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:51,243 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:51,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:51,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1232509539, now seen corresponding path program 4 times [2021-12-07 01:33:51,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:51,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617523081] [2021-12-07 01:33:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:51,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:51,252 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:33:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:33:51,261 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:33:51,271 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:51,272 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:51,272 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:51,272 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:51,272 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 01:33:51,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:51,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:51,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration5_Loop [2021-12-07 01:33:51,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:51,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:51,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,294 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:51,294 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 01:33:51,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,295 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-07 01:33:51,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:33:51,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:51,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-07 01:33:51,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,322 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-07 01:33:51,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 01:33:51,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:33:51,355 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 01:33:51,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-07 01:33:51,357 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:33:51,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:33:51,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:33:51,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:33:51,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:33:51,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:33:51,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:33:51,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration5_Loop [2021-12-07 01:33:51,357 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:33:51,357 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:33:51,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:33:51,377 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:33:51,377 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:33:51,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,378 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-07 01:33:51,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:33:51,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:33:51,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:33:51,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:33:51,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:33:51,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:33:51,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:33:51,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:33:51,388 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:33:51,389 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 01:33:51,389 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 01:33:51,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:33:51,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:51,391 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:51,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-07 01:33:51,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:33:51,393 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 01:33:51,394 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:33:51,394 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 19 Supporting invariants [] [2021-12-07 01:33:51,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-07 01:33:51,412 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 01:33:51,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:51,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:33:51,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:51,443 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:33:51,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:51,443 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-07 01:33:51,444 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-12-07 01:33:51,450 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 76 transitions. Complement of second has 5 states. [2021-12-07 01:33:51,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 01:33:51,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-12-07 01:33:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2021-12-07 01:33:51,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 17 letters. Loop has 1 letters. [2021-12-07 01:33:51,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:51,451 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 01:33:51,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:51,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:33:51,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:51,480 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:33:51,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:51,481 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-07 01:33:51,481 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-12-07 01:33:51,486 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 76 transitions. Complement of second has 5 states. [2021-12-07 01:33:51,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 01:33:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-12-07 01:33:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2021-12-07 01:33:51,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 17 letters. Loop has 1 letters. [2021-12-07 01:33:51,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:51,487 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 01:33:51,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:51,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:33:51,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:51,519 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:33:51,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:51,520 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-07 01:33:51,520 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-12-07 01:33:51,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 51 transitions. Complement of second has 4 states. [2021-12-07 01:33:51,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 01:33:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-12-07 01:33:51,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-12-07 01:33:51,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 17 letters. Loop has 1 letters. [2021-12-07 01:33:51,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:51,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 18 letters. Loop has 1 letters. [2021-12-07 01:33:51,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:51,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 17 letters. Loop has 2 letters. [2021-12-07 01:33:51,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:33:51,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 51 transitions. [2021-12-07 01:33:51,529 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:33:51,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 0 states and 0 transitions. [2021-12-07 01:33:51,529 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 01:33:51,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 01:33:51,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 01:33:51,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:33:51,529 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:33:51,529 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:33:51,529 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:33:51,529 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-07 01:33:51,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:33:51,529 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:33:51,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 01:33:51,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:33:51 BoogieIcfgContainer [2021-12-07 01:33:51,534 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 01:33:51,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:33:51,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:33:51,535 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:33:51,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:33:48" (3/4) ... [2021-12-07 01:33:51,537 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 01:33:51,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:33:51,537 INFO L158 Benchmark]: Toolchain (without parser) took 2990.82ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 48.2MB in the beginning and 56.4MB in the end (delta: -8.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-12-07 01:33:51,538 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:33:51,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.39ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 48.0MB in the beginning and 124.2MB in the end (delta: -76.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 01:33:51,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.01ms. Allocated memory is still 146.8MB. Free memory was 124.2MB in the beginning and 123.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:33:51,538 INFO L158 Benchmark]: Boogie Preprocessor took 16.83ms. Allocated memory is still 146.8MB. Free memory was 123.0MB in the beginning and 122.2MB in the end (delta: 742.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:33:51,539 INFO L158 Benchmark]: RCFGBuilder took 153.94ms. Allocated memory is still 146.8MB. Free memory was 122.2MB in the beginning and 113.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 01:33:51,539 INFO L158 Benchmark]: BuchiAutomizer took 2628.54ms. Allocated memory is still 146.8MB. Free memory was 113.9MB in the beginning and 57.5MB in the end (delta: 56.4MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2021-12-07 01:33:51,539 INFO L158 Benchmark]: Witness Printer took 2.45ms. Allocated memory is still 146.8MB. Free memory was 57.5MB in the beginning and 56.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:33:51,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.39ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 48.0MB in the beginning and 124.2MB in the end (delta: -76.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.01ms. Allocated memory is still 146.8MB. Free memory was 124.2MB in the beginning and 123.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.83ms. Allocated memory is still 146.8MB. Free memory was 123.0MB in the beginning and 122.2MB in the end (delta: 742.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 153.94ms. Allocated memory is still 146.8MB. Free memory was 122.2MB in the beginning and 113.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2628.54ms. Allocated memory is still 146.8MB. Free memory was 113.9MB in the beginning and 57.5MB in the end (delta: 56.4MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Witness Printer took 2.45ms. Allocated memory is still 146.8MB. Free memory was 57.5MB in the beginning and 56.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (2 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * i + 5 and consists of 6 locations. One deterministic module has affine ranking function j and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 7 and consists of 4 locations. One deterministic module has affine ranking function -2 * j + 19 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * j + 19 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 6 iterations. TraceHistogramMax:11. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 44 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 37 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 10/11 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 55 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax177 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp91 dnf100 smp100 tf113 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-07 01:33:51,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-07 01:33:51,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-07 01:33:52,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-07 01:33:52,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-07 01:33:52,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-07 01:33:52,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3ac598-4136-477b-9b60-b8bb406bb024/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE