./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G --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 9200f4b7c01ae534db411c2832d0714b6eaa58a9d668730c8aeb9497dccadca2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:08:57,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:08:57,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:08:57,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:08:57,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:08:57,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:08:57,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:08:57,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:08:57,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:08:57,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:08:57,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:08:57,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:08:57,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:08:57,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:08:57,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:08:57,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:08:57,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:08:57,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:08:57,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:08:57,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:08:57,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:08:57,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:08:57,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:08:57,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:08:57,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:08:57,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:08:57,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:08:57,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:08:57,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:08:57,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:08:57,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:08:57,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:08:57,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:08:57,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:08:57,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:08:57,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:08:57,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:08:57,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:08:57,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:08:57,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:08:57,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:08:57,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 14:08:57,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:08:57,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:08:57,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:08:57,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:08:57,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:08:57,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:08:57,354 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:08:57,355 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:08:57,355 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:08:57,355 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:08:57,356 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:08:57,357 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:08:57,357 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:08:57,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:08:57,357 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:08:57,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:08:57,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:08:57,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:08:57,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:08:57,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:08:57,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:08:57,359 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:08:57,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:08:57,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:08:57,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:08:57,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:08:57,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:08:57,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:08:57,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:08:57,363 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:08:57,363 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_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9200f4b7c01ae534db411c2832d0714b6eaa58a9d668730c8aeb9497dccadca2 [2021-11-23 14:08:57,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:08:57,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:08:57,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:08:57,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:08:57,713 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:08:57,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2021-11-23 14:08:57,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/data/164b6dfc8/76a0ab0133894136bdfef1f5dab553be/FLAGb7d99af81 [2021-11-23 14:08:58,271 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:08:58,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2021-11-23 14:08:58,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/data/164b6dfc8/76a0ab0133894136bdfef1f5dab553be/FLAGb7d99af81 [2021-11-23 14:08:58,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/data/164b6dfc8/76a0ab0133894136bdfef1f5dab553be [2021-11-23 14:08:58,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:08:58,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:08:58,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:08:58,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:08:58,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:08:58,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfb20c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58, skipping insertion in model container [2021-11-23 14:08:58,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:08:58,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:08:58,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:08:58,906 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:08:58,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:08:58,934 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:08:58,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58 WrapperNode [2021-11-23 14:08:58,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:08:58,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:08:58,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:08:58,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:08:58,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,968 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2021-11-23 14:08:58,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:08:58,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:08:58,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:08:58,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:08:58,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:58,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:08:58,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:08:58,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:08:58,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:08:58,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (1/1) ... [2021-11-23 14:08:59,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:08:59,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:08:59,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:08:59,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:08:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:08:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:08:59,177 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:08:59,180 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:08:59,313 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:08:59,323 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:08:59,324 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 14:08:59,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:08:59 BoogieIcfgContainer [2021-11-23 14:08:59,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:08:59,330 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:08:59,331 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:08:59,335 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:08:59,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:08:59,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:08:58" (1/3) ... [2021-11-23 14:08:59,339 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1659ee66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:08:59, skipping insertion in model container [2021-11-23 14:08:59,339 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:08:59,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:58" (2/3) ... [2021-11-23 14:08:59,340 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1659ee66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:08:59, skipping insertion in model container [2021-11-23 14:08:59,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:08:59,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:08:59" (3/3) ... [2021-11-23 14:08:59,343 INFO L388 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-loops.c [2021-11-23 14:08:59,423 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:08:59,423 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:08:59,423 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:08:59,424 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:08:59,424 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:08:59,424 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:08:59,424 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:08:59,424 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:08:59,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2021-11-23 14:08:59,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-23 14:08:59,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:08:59,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:08:59,472 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 14:08:59,472 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:08:59,472 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:08:59,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2021-11-23 14:08:59,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-23 14:08:59,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:08:59,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:08:59,475 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 14:08:59,475 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:08:59,484 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~n~0#1; 5#L18true assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 3#L19-2true [2021-11-23 14:08:59,484 INFO L793 eck$LassoCheckResult]: Loop: 3#L19-2true assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 8#L21true assume !(main_~y~0#1 < main_~x~0#1); 12#L21-1true main_~x~0#1 := main_~x~0#1 - 1; 3#L19-2true [2021-11-23 14:08:59,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:08:59,491 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-23 14:08:59,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:08:59,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195331691] [2021-11-23 14:08:59,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:08:59,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:08:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:08:59,601 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:08:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:08:59,622 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:08:59,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:08:59,625 INFO L85 PathProgramCache]: Analyzing trace with hash 44239, now seen corresponding path program 1 times [2021-11-23 14:08:59,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:08:59,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166297844] [2021-11-23 14:08:59,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:08:59,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:08:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:08:59,644 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:08:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:08:59,652 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:08:59,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:08:59,654 INFO L85 PathProgramCache]: Analyzing trace with hash 889514126, now seen corresponding path program 1 times [2021-11-23 14:08:59,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:08:59,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265707025] [2021-11-23 14:08:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:08:59,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:08:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:08:59,665 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:08:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:08:59,682 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:08:59,827 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:08:59,841 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:08:59,841 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:08:59,842 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:08:59,842 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 14:08:59,842 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:08:59,842 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:08:59,842 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:08:59,842 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration1_Loop [2021-11-23 14:08:59,843 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:08:59,843 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:08:59,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:08:59,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:08:59,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:00,052 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:09:00,053 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 14:09:00,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:00,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:00,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:00,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:09:00,065 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:00,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 14:09:00,097 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:09:00,097 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 14:09:00,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:00,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:00,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:00,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:00,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 14:09:00,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:09:00,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:00,160 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:09:00,160 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 14:09:00,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:00,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:00,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:00,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:00,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 14:09:00,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:09:00,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:00,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:00,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:00,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:00,243 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:00,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 14:09:00,258 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:00,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 14:09:00,316 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 14:09:00,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-23 14:09:00,320 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:09:00,320 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:09:00,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:09:00,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:09:00,321 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:09:00,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:00,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:09:00,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:09:00,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration1_Loop [2021-11-23 14:09:00,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:09:00,322 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:09:00,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:00,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:00,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:00,416 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:09:00,421 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:09:00,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:00,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:00,437 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:00,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 14:09:00,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:09:00,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:09:00,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:09:00,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:09:00,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:09:00,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:09:00,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:09:00,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:09:00,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-23 14:09:00,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:00,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:00,552 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:00,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 14:09:00,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:09:00,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:09:00,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:09:00,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:09:00,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:09:00,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:09:00,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:09:00,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:09:00,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:00,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:00,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:00,625 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:00,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 14:09:00,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:09:00,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:09:00,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:09:00,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:09:00,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:09:00,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:09:00,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:09:00,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:09:00,667 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:09:00,672 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-23 14:09:00,672 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-23 14:09:00,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:00,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:00,674 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:00,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 14:09:00,676 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:09:00,676 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 14:09:00,677 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:09:00,677 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2021-11-23 14:09:00,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:00,701 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 14:09:00,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:09:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:09:00,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:09:00,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:09:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:09:00,795 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:09:00,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:09:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:09:00,883 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 [2021-11-23 14:09:00,885 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:09:00,941 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 45 transitions. Complement of second has 7 states. [2021-11-23 14:09:00,946 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 [2021-11-23 14:09:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:09:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-11-23 14:09:00,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-23 14:09:00,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:09:00,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-23 14:09:00,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:09:00,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-23 14:09:00,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:09:00,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2021-11-23 14:09:00,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 14:09:00,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 10 states and 14 transitions. [2021-11-23 14:09:00,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-11-23 14:09:00,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-11-23 14:09:00,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2021-11-23 14:09:00,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:09:00,965 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2021-11-23 14:09:00,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2021-11-23 14:09:00,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-23 14:09:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:09:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2021-11-23 14:09:00,988 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2021-11-23 14:09:00,988 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2021-11-23 14:09:00,988 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 14:09:00,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2021-11-23 14:09:00,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 14:09:00,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:09:00,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:09:00,990 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-23 14:09:00,990 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 14:09:00,990 INFO L791 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 93#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_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~n~0#1; 91#L18 assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 87#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 89#L21 assume main_~y~0#1 < main_~x~0#1; 94#L22-2 [2021-11-23 14:09:00,990 INFO L793 eck$LassoCheckResult]: Loop: 94#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 94#L22-2 [2021-11-23 14:09:00,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:09:00,991 INFO L85 PathProgramCache]: Analyzing trace with hash 28693989, now seen corresponding path program 1 times [2021-11-23 14:09:00,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:09:00,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446823850] [2021-11-23 14:09:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:09:00,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:09:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:00,998 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:09:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:01,004 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:09:01,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:09:01,005 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2021-11-23 14:09:01,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:09:01,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960331106] [2021-11-23 14:09:01,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:09:01,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:09:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:01,010 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:09:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:01,014 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:09:01,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:09:01,015 INFO L85 PathProgramCache]: Analyzing trace with hash 889513685, now seen corresponding path program 1 times [2021-11-23 14:09:01,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:09:01,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251935878] [2021-11-23 14:09:01,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:09:01,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:09:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:01,023 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:09:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:01,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:09:01,122 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:09:01,122 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:09:01,122 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:09:01,122 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:09:01,123 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 14:09:01,123 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:01,123 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:09:01,123 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:09:01,123 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration2_Lasso [2021-11-23 14:09:01,123 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:09:01,123 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:09:01,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:01,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:01,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:01,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:01,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:01,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:01,250 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:09:01,250 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 14:09:01,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:01,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:01,253 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:01,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:09:01,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:01,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 14:09:01,304 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:09:01,305 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: [] [2021-11-23 14:09:01,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:01,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:01,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:01,337 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:01,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 14:09:01,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:09:01,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:01,352 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:09:01,352 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 14:09:01,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-11-23 14:09:01,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:01,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:01,382 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:01,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 14:09:01,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:09:01,383 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:01,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:01,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:01,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:01,471 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:01,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 14:09:01,478 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:01,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4057243f-ad08-4c18-a0df-ca96d1504de7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process