./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/WhilePart.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/WhilePart.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC --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 0243e777c754f4d015f916e05482f6a7188e03cf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:20:35,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:35,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:35,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:35,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:35,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:35,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:35,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:35,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:35,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:35,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:35,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:35,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:35,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:35,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:35,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:35,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:35,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:35,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:35,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:35,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:35,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:35,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:35,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:35,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:35,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:35,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:35,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:35,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:35,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:35,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:35,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:35,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:35,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:35,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:35,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:35,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:35,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:35,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:35,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:35,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:35,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:20:35,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:35,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:35,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:35,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:35,833 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:35,834 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:20:35,834 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:20:35,834 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:20:35,834 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:20:35,835 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:20:35,836 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:20:35,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:35,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:20:35,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:35,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:35,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:20:35,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:20:35,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:20:35,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:35,838 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:20:35,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:35,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:20:35,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:35,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:35,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:35,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:35,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:35,841 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:20:35,841 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_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0243e777c754f4d015f916e05482f6a7188e03cf [2021-10-11 00:20:36,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:36,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:36,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:36,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:36,207 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:36,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-restricted-15/WhilePart.c [2021-10-11 00:20:36,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/data/5a3777c67/50a4d1d4b2514b9fbb45ceeee9523ae1/FLAG9cc66d353 [2021-10-11 00:20:36,735 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:36,736 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/sv-benchmarks/c/termination-restricted-15/WhilePart.c [2021-10-11 00:20:36,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/data/5a3777c67/50a4d1d4b2514b9fbb45ceeee9523ae1/FLAG9cc66d353 [2021-10-11 00:20:37,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/data/5a3777c67/50a4d1d4b2514b9fbb45ceeee9523ae1 [2021-10-11 00:20:37,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:37,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:37,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:37,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:37,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:37,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8e24ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37, skipping insertion in model container [2021-10-11 00:20:37,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:37,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:37,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:37,309 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:37,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:37,373 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:37,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37 WrapperNode [2021-10-11 00:20:37,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:37,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:37,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:37,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:37,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:37,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:37,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:37,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:37,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:37,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:37,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:37,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:37,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:37,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:37,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:37,746 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:20:37,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:37 BoogieIcfgContainer [2021-10-11 00:20:37,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:37,751 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:20:37,752 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:20:37,756 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:20:37,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:37,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:20:37" (1/3) ... [2021-10-11 00:20:37,761 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@155d22ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:37, skipping insertion in model container [2021-10-11 00:20:37,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:37,762 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (2/3) ... [2021-10-11 00:20:37,763 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@155d22ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:37, skipping insertion in model container [2021-10-11 00:20:37,763 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:37,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:37" (3/3) ... [2021-10-11 00:20:37,765 INFO L389 chiAutomizerObserver]: Analyzing ICFG WhilePart.c [2021-10-11 00:20:37,851 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:20:37,851 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:20:37,851 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:20:37,851 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:37,852 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:37,852 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:20:37,852 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:37,852 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:20:37,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2021-10-11 00:20:37,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:20:37,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:37,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:37,900 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:20:37,900 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:20:37,900 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:20:37,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2021-10-11 00:20:37,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:20:37,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:37,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:37,902 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:20:37,902 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:20:37,910 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L10-2true [2021-10-11 00:20:37,911 INFO L796 eck$LassoCheckResult]: Loop: 8#L10-2true assume !!(main_~i~0 > 5); 4#L10true assume main_~i~0 < 10;main_~i~0 := main_~i~0 - 1; 8#L10-2true [2021-10-11 00:20:37,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:37,918 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-11 00:20:37,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:37,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158893367] [2021-10-11 00:20:37,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:38,007 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:38,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:38,028 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:38,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:38,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-11 00:20:38,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:38,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510495649] [2021-10-11 00:20:38,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:38,044 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:38,049 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:38,051 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:38,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:38,053 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-11 00:20:38,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:38,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438988955] [2021-10-11 00:20:38,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:38,062 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:38,068 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:38,070 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:38,236 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:20:38,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:20:38,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:20:38,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:20:38,238 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:20:38,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:20:38,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:20:38,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: WhilePart.c_Iteration1_Loop [2021-10-11 00:20:38,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:20:38,239 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:20:38,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:38,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:38,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:38,438 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:20:38,439 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:20:38,449 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,473 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:20:38,473 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: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:20:38,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:20:38,529 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:20:38,529 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: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:20:38,581 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:20:38,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:20:38,692 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:20:38,714 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:20:38,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:20:38,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:20:38,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:20:38,715 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:20:38,715 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,715 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:20:38,715 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:20:38,716 INFO L133 ssoRankerPreferences]: Filename of dumped script: WhilePart.c_Iteration1_Loop [2021-10-11 00:20:38,716 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:20:38,716 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:20:38,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:38,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:38,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:20:38,840 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:20:38,845 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:20:38,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:38,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:20:38,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:38,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:38,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:38,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:38,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:20:38,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:38,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:20:39,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:20:39,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:39,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:39,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:39,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:39,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:39,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:39,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:39,048 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:20:39,054 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:20:39,055 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:39,083 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:20:39,084 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:20:39,084 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:20:39,084 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-11 00:20:39,120 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:20:39,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:39,152 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:20:39,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:39,163 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:20:39,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:39,218 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 [2021-10-11 00:20:39,220 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2021-10-11 00:20:39,287 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 20 states and 28 transitions. Complement of second has 7 states. [2021-10-11 00:20:39,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-11 00:20:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:20:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-11 00:20:39,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-11 00:20:39,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:39,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-11 00:20:39,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:39,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-11 00:20:39,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:39,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2021-10-11 00:20:39,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:20:39,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions. [2021-10-11 00:20:39,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-11 00:20:39,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-10-11 00:20:39,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-10-11 00:20:39,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-11 00:20:39,306 INFO L692 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-10-11 00:20:39,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-10-11 00:20:39,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-10-11 00:20:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-11 00:20:39,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-11 00:20:39,331 INFO L715 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-11 00:20:39,331 INFO L595 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-11 00:20:39,331 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:20:39,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-10-11 00:20:39,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:20:39,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:39,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:39,333 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:20:39,333 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:20:39,333 INFO L794 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 69#L10-2 assume !!(main_~i~0 > 5); 63#L10 [2021-10-11 00:20:39,333 INFO L796 eck$LassoCheckResult]: Loop: 63#L10 assume !(main_~i~0 < 10); 64#L10-2 assume !!(main_~i~0 > 5); 63#L10 [2021-10-11 00:20:39,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:39,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-11 00:20:39,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:39,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344642336] [2021-10-11 00:20:39,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:39,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:39,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:39,345 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:39,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:39,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2021-10-11 00:20:39,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:39,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453948276] [2021-10-11 00:20:39,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:39,354 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:39,357 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:39,358 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:39,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:39,359 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2021-10-11 00:20:39,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:39,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415541322] [2021-10-11 00:20:39,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:39,366 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:39,369 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:39,371 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:39,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:20:39 BoogieIcfgContainer [2021-10-11 00:20:39,417 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:20:39,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:39,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:39,418 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:39,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:37" (3/4) ... [2021-10-11 00:20:39,422 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-11 00:20:39,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f0e536-c555-4340-bed3-b2824d1395eb/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:20:39,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:39,455 INFO L168 Benchmark]: Toolchain (without parser) took 2342.95 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 48.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,456 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:39,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.52 ms. Allocated memory is still 94.4 MB. Free memory was 54.3 MB in the beginning and 71.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.68 ms. Allocated memory is still 94.4 MB. Free memory was 71.5 MB in the beginning and 70.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:39,458 INFO L168 Benchmark]: Boogie Preprocessor took 21.07 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 69.4 MB in the end (delta: 737.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,460 INFO L168 Benchmark]: RCFGBuilder took 316.39 ms. Allocated memory is still 94.4 MB. Free memory was 69.4 MB in the beginning and 61.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,461 INFO L168 Benchmark]: BuchiAutomizer took 1665.71 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 61.3 MB in the beginning and 50.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 44.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,462 INFO L168 Benchmark]: Witness Printer took 35.49 ms. Allocated memory is still 125.8 MB. Free memory was 50.6 MB in the beginning and 48.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:39,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 262.52 ms. Allocated memory is still 94.4 MB. Free memory was 54.3 MB in the beginning and 71.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.68 ms. Allocated memory is still 94.4 MB. Free memory was 71.5 MB in the beginning and 70.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.07 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 69.4 MB in the end (delta: 737.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 316.39 ms. Allocated memory is still 94.4 MB. Free memory was 69.4 MB in the beginning and 61.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1665.71 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 61.3 MB in the beginning and 50.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 44.2 MB. Max. memory is 16.1 GB. * Witness Printer took 35.49 ms. Allocated memory is still 125.8 MB. Free memory was 50.6 MB in the beginning and 48.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 5 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 7 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@309f2a45=0, \result=0, i=10} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i > 5 Loop: [L10] COND FALSE !(i < 10) [L9] COND TRUE i > 5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...