./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/trex01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/trex01-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash 17ed4d99148ac6ada38ac6bc04d827b0b0eab6c02993086c8fdb9ca9151ff08c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:18:46,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:18:46,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:18:46,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:18:46,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:18:46,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:18:46,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:18:46,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:18:46,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:18:46,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:18:46,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:18:46,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:18:46,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:18:46,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:18:46,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:18:46,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:18:46,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:18:46,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:18:46,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:18:46,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:18:47,003 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:18:47,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:18:47,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:18:47,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:18:47,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:18:47,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:18:47,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:18:47,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:18:47,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:18:47,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:18:47,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:18:47,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:18:47,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:18:47,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:18:47,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:18:47,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:18:47,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:18:47,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:18:47,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:18:47,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:18:47,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:18:47,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:18:47,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:18:47,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:18:47,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:18:47,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:18:47,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:18:47,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:18:47,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:18:47,068 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:18:47,068 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:18:47,069 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:18:47,069 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:18:47,070 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:18:47,070 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:18:47,070 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:18:47,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:18:47,070 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:18:47,071 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:18:47,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:18:47,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:18:47,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:18:47,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:18:47,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:18:47,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:18:47,072 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:18:47,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:18:47,072 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:18:47,073 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:18:47,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:18:47,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:18:47,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:18:47,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:18:47,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:18:47,076 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:18:47,076 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17ed4d99148ac6ada38ac6bc04d827b0b0eab6c02993086c8fdb9ca9151ff08c [2022-07-22 02:18:47,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:18:47,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:18:47,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:18:47,386 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:18:47,386 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:18:47,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex01-1.c [2022-07-22 02:18:47,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b9b4e15/bf4ee6b755624580af9d424e4a24c559/FLAGe9aaabd1f [2022-07-22 02:18:47,919 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:18:47,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex01-1.c [2022-07-22 02:18:47,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b9b4e15/bf4ee6b755624580af9d424e4a24c559/FLAGe9aaabd1f [2022-07-22 02:18:48,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b9b4e15/bf4ee6b755624580af9d424e4a24c559 [2022-07-22 02:18:48,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:18:48,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:18:48,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:18:48,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:18:48,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:18:48,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc7e3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48, skipping insertion in model container [2022-07-22 02:18:48,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:18:48,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:18:48,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex01-1.c[320,333] [2022-07-22 02:18:48,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:18:48,531 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:18:48,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex01-1.c[320,333] [2022-07-22 02:18:48,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:18:48,582 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:18:48,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48 WrapperNode [2022-07-22 02:18:48,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:18:48,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:18:48,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:18:48,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:18:48,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,627 INFO L137 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 91 [2022-07-22 02:18:48,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:18:48,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:18:48,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:18:48,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:18:48,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:18:48,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:18:48,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:18:48,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:18:48,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (1/1) ... [2022-07-22 02:18:48,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:48,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:48,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:48,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 02:18:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:18:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:18:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:18:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:18:48,790 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:18:48,792 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:18:48,955 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:18:48,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:18:48,962 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-22 02:18:48,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:18:48 BoogieIcfgContainer [2022-07-22 02:18:48,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:18:48,965 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:18:48,965 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:18:48,967 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:18:48,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:18:48,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:18:48" (1/3) ... [2022-07-22 02:18:48,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a06d189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:18:48, skipping insertion in model container [2022-07-22 02:18:48,969 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:18:48,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:48" (2/3) ... [2022-07-22 02:18:48,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a06d189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:18:48, skipping insertion in model container [2022-07-22 02:18:48,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:18:48,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:18:48" (3/3) ... [2022-07-22 02:18:48,971 INFO L354 chiAutomizerObserver]: Analyzing ICFG trex01-1.c [2022-07-22 02:18:49,022 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:18:49,043 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:18:49,054 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:18:49,054 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:18:49,054 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:18:49,054 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:18:49,055 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:18:49,055 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:18:49,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 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) [2022-07-22 02:18:49,081 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-07-22 02:18:49,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:49,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:49,086 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 02:18:49,086 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:18:49,087 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:18:49,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 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) [2022-07-22 02:18:49,091 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-07-22 02:18:49,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:49,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:49,092 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 02:18:49,093 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:18:49,099 INFO L752 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 24#L37true assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 2#L16true assume !!(f_~k~0#1 <= 1073741823); 19#L19-1true [2022-07-22 02:18:49,100 INFO L754 eck$LassoCheckResult]: Loop: 19#L19-1true assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 19#L19-1true [2022-07-22 02:18:49,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:49,112 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2022-07-22 02:18:49,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:49,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963741795] [2022-07-22 02:18:49,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:49,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:49,214 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:49,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:49,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:49,261 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2022-07-22 02:18:49,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:49,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825862795] [2022-07-22 02:18:49,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:49,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:49,274 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:49,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:49,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:49,289 INFO L85 PathProgramCache]: Analyzing trace with hash 28693867, now seen corresponding path program 1 times [2022-07-22 02:18:49,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:49,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905208451] [2022-07-22 02:18:49,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:49,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:49,300 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:49,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:49,571 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:49,573 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:49,573 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:49,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:49,573 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:49,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:49,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:49,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:49,574 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration1_Lasso [2022-07-22 02:18:49,574 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:49,574 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:49,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:49,909 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:49,912 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:49,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:49,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:49,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:49,926 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 [2022-07-22 02:18:49,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:49,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:49,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:49,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:49,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:49,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:49,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 02:18:49,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:49,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:49,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:49,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:49,989 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:49,998 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 [2022-07-22 02:18:50,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 02:18:50,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 02:18:50,056 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 [2022-07-22 02:18:50,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:50,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:50,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:50,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 02:18:50,108 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 [2022-07-22 02:18:50,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:50,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:50,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:50,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 02:18:50,160 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 [2022-07-22 02:18:50,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,227 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 [2022-07-22 02:18:50,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 02:18:50,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,286 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,288 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 [2022-07-22 02:18:50,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 02:18:50,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,342 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,348 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 [2022-07-22 02:18:50,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 02:18:50,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,407 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,412 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 [2022-07-22 02:18:50,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 02:18:50,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,483 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,488 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 [2022-07-22 02:18:50,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 02:18:50,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:50,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:50,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:50,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,537 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,546 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 [2022-07-22 02:18:50,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 02:18:50,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,599 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 02:18:50,602 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 [2022-07-22 02:18:50,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,656 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,662 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 [2022-07-22 02:18:50,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 02:18:50,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,705 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 02:18:50,707 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 [2022-07-22 02:18:50,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,753 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 02:18:50,755 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 [2022-07-22 02:18:50,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:50,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:50,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:50,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,793 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 02:18:50,795 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 [2022-07-22 02:18:50,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:50,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:50,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:50,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,829 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-22 02:18:50,831 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 [2022-07-22 02:18:50,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:50,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:50,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:50,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,889 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-22 02:18:50,891 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 [2022-07-22 02:18:50,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,933 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:50,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-22 02:18:50,937 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 [2022-07-22 02:18:50,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:50,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:50,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:50,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:50,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:50,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:50,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:50,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:50,983 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:51,005 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 [2022-07-22 02:18:51,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:51,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:51,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:51,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:51,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:51,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:51,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-22 02:18:51,042 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:51,062 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-22 02:18:51,062 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 02:18:51,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:51,068 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:51,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-22 02:18:51,071 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:51,100 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:18:51,100 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:51,100 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2022-07-22 02:18:51,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:51,137 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:18:51,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:51,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 02:18:51,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:51,206 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:18:51,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:18:51,236 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-07-22 02:18:51,237 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:51,318 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 26 states have internal predecessors, (41), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 83 states and 111 transitions. Complement of second has 7 states. [2022-07-22 02:18:51,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:18:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 81 transitions. [2022-07-22 02:18:51,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 81 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 02:18:51,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:51,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 81 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 02:18:51,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:51,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 81 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 02:18:51,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:51,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 111 transitions. [2022-07-22 02:18:51,344 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2022-07-22 02:18:51,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 26 states and 34 transitions. [2022-07-22 02:18:51,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-07-22 02:18:51,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-07-22 02:18:51,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2022-07-22 02:18:51,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:18:51,349 INFO L369 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2022-07-22 02:18:51,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:51,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2022-07-22 02:18:51,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2022-07-22 02:18:51,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2022-07-22 02:18:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-07-22 02:18:51,376 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-22 02:18:51,376 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-22 02:18:51,376 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:18:51,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-07-22 02:18:51,377 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-07-22 02:18:51,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:51,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:51,377 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 02:18:51,377 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:18:51,378 INFO L752 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 171#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 180#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 168#L16-1 assume !!(f_~k~0#1 <= 1073741823); 169#L19-4 [2022-07-22 02:18:51,378 INFO L754 eck$LassoCheckResult]: Loop: 169#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 169#L19-4 [2022-07-22 02:18:51,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:51,378 INFO L85 PathProgramCache]: Analyzing trace with hash 927240, now seen corresponding path program 1 times [2022-07-22 02:18:51,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:51,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803112240] [2022-07-22 02:18:51,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:51,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:51,388 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:51,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:51,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:51,408 INFO L85 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2022-07-22 02:18:51,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:51,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753341247] [2022-07-22 02:18:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:51,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:51,415 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:51,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:51,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:51,421 INFO L85 PathProgramCache]: Analyzing trace with hash 28744510, now seen corresponding path program 1 times [2022-07-22 02:18:51,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:51,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232773995] [2022-07-22 02:18:51,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:51,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:51,432 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:51,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:51,568 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:51,568 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:51,568 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:51,568 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:51,568 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:51,568 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:51,568 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:51,568 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:51,568 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration2_Lasso [2022-07-22 02:18:51,569 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:51,569 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:51,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:51,827 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:51,827 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:51,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:51,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:51,829 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:51,831 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 [2022-07-22 02:18:51,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:51,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:51,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:51,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:51,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:51,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:51,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:51,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-22 02:18:51,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:51,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:51,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:51,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:51,877 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:51,884 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 [2022-07-22 02:18:51,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:51,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:51,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:51,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:51,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:51,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:51,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:51,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-22 02:18:51,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:51,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-07-22 02:18:51,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:51,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:51,931 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:51,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-22 02:18:51,933 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 [2022-07-22 02:18:51,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:51,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:51,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:51,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:51,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:51,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:51,967 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:51,977 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-22 02:18:51,977 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-22 02:18:51,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:51,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:51,980 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:51,988 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:51,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-22 02:18:52,012 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:18:52,012 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:52,013 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2022-07-22 02:18:52,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:52,044 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:18:52,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:52,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 02:18:52,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:52,087 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:18:52,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:18:52,088 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-07-22 02:18:52,088 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:52,129 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 44 transitions. Complement of second has 6 states. [2022-07-22 02:18:52,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:18:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-07-22 02:18:52,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 02:18:52,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:52,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 02:18:52,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:52,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 02:18:52,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:52,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 44 transitions. [2022-07-22 02:18:52,133 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2022-07-22 02:18:52,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 27 states and 36 transitions. [2022-07-22 02:18:52,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-07-22 02:18:52,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-07-22 02:18:52,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2022-07-22 02:18:52,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:18:52,134 INFO L369 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2022-07-22 02:18:52,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2022-07-22 02:18:52,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-07-22 02:18:52,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2022-07-22 02:18:52,140 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2022-07-22 02:18:52,140 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2022-07-22 02:18:52,140 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 02:18:52,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2022-07-22 02:18:52,140 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 02:18:52,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:52,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:52,141 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:52,141 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:18:52,141 INFO L752 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 276#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 283#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 267#L16 assume !!(f_~k~0#1 <= 1073741823); 268#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 269#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 270#L6 assume !(0 == __VERIFIER_assert_~cond#1); 277#L6-2 assume { :end_inline___VERIFIER_assert } true; 278#L24-2 [2022-07-22 02:18:52,142 INFO L754 eck$LassoCheckResult]: Loop: 278#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 279#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 278#L24-2 [2022-07-22 02:18:52,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:52,142 INFO L85 PathProgramCache]: Analyzing trace with hash 120463377, now seen corresponding path program 1 times [2022-07-22 02:18:52,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:52,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191691890] [2022-07-22 02:18:52,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:52,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:52,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:18:52,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:18:52,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191691890] [2022-07-22 02:18:52,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191691890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:18:52,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:18:52,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 02:18:52,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537227055] [2022-07-22 02:18:52,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:18:52,214 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 02:18:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:52,215 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 1 times [2022-07-22 02:18:52,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:52,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632552305] [2022-07-22 02:18:52,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:52,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:52,220 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:52,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:52,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:18:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 02:18:52,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 02:18:52,250 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:52,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:18:52,277 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2022-07-22 02:18:52,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 02:18:52,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2022-07-22 02:18:52,279 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 02:18:52,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 26 transitions. [2022-07-22 02:18:52,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-22 02:18:52,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-22 02:18:52,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2022-07-22 02:18:52,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:18:52,280 INFO L369 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-07-22 02:18:52,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2022-07-22 02:18:52,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-07-22 02:18:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 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) [2022-07-22 02:18:52,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-07-22 02:18:52,282 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-07-22 02:18:52,282 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-07-22 02:18:52,282 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 02:18:52,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2022-07-22 02:18:52,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 02:18:52,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:52,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:52,283 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:52,284 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:18:52,284 INFO L752 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 338#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 322#L16 assume !!(f_~k~0#1 <= 1073741823); 323#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 336#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 324#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 325#L6 assume !(0 == __VERIFIER_assert_~cond#1); 330#L6-2 assume { :end_inline___VERIFIER_assert } true; 331#L24-2 [2022-07-22 02:18:52,284 INFO L754 eck$LassoCheckResult]: Loop: 331#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 334#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 331#L24-2 [2022-07-22 02:18:52,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:52,284 INFO L85 PathProgramCache]: Analyzing trace with hash -558941100, now seen corresponding path program 1 times [2022-07-22 02:18:52,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:52,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868615671] [2022-07-22 02:18:52,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:52,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:52,294 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:52,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:52,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:52,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 2 times [2022-07-22 02:18:52,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:52,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271404810] [2022-07-22 02:18:52,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:52,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:52,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:52,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:52,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:52,311 INFO L85 PathProgramCache]: Analyzing trace with hash -271483749, now seen corresponding path program 1 times [2022-07-22 02:18:52,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:52,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067412245] [2022-07-22 02:18:52,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:52,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:52,321 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:52,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:52,557 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:52,558 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:52,558 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:52,558 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:52,558 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:52,558 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:52,558 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:52,558 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:52,559 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration4_Lasso [2022-07-22 02:18:52,559 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:52,559 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:52,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:52,852 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:52,852 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:52,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:52,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:52,857 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:52,868 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 [2022-07-22 02:18:52,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:52,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:52,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:52,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:52,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:52,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:52,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:52,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-22 02:18:52,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:52,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:52,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:52,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:52,914 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:52,920 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 [2022-07-22 02:18:52,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:52,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:52,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:52,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:52,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:52,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:52,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-22 02:18:52,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:52,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:52,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:52,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:52,974 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:52,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-22 02:18:52,976 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 [2022-07-22 02:18:52,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:52,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:52,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:52,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:52,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:52,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:53,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:53,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:53,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:53,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:53,031 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:53,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-22 02:18:53,056 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 [2022-07-22 02:18:53,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:53,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:53,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:53,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:53,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:53,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:53,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:53,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:53,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:53,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:53,108 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:53,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-22 02:18:53,110 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 [2022-07-22 02:18:53,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:53,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:53,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:53,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:53,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:53,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:53,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:53,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-22 02:18:53,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:53,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:53,167 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:53,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-22 02:18:53,170 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 [2022-07-22 02:18:53,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:53,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:53,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:53,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:53,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:53,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:53,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:53,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:53,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:53,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:53,216 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:53,220 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 [2022-07-22 02:18:53,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:53,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:53,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:53,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:53,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:53,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:53,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:53,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-22 02:18:53,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:53,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:53,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:53,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:53,270 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:53,276 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 [2022-07-22 02:18:53,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:53,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:53,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:53,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:53,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:53,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:53,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:53,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-22 02:18:53,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:53,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:53,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:53,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:53,323 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:53,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-22 02:18:53,325 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 [2022-07-22 02:18:53,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:53,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:53,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:53,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:53,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:53,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:53,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:53,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:53,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:53,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:53,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:53,372 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:53,375 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 [2022-07-22 02:18:53,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-22 02:18:53,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:53,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:53,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:53,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:53,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:53,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:53,403 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:53,414 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-07-22 02:18:53,414 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-07-22 02:18:53,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:53,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:53,420 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:53,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:53,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-22 02:18:53,448 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:18:53,448 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:53,449 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2022-07-22 02:18:53,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:53,477 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:18:53,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:53,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:18:53,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:53,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:18:53,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:18:53,563 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:18:53,563 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-22 02:18:53,608 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 27 states and 34 transitions. Complement of second has 6 states. [2022-07-22 02:18:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:18:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-22 02:18:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-07-22 02:18:53,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 02:18:53,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:53,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 02:18:53,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:53,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 4 letters. [2022-07-22 02:18:53,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:53,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2022-07-22 02:18:53,619 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 02:18:53,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 26 states and 33 transitions. [2022-07-22 02:18:53,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-07-22 02:18:53,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-07-22 02:18:53,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2022-07-22 02:18:53,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:18:53,620 INFO L369 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-07-22 02:18:53,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2022-07-22 02:18:53,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-07-22 02:18:53,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:53,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2022-07-22 02:18:53,621 INFO L392 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2022-07-22 02:18:53,621 INFO L374 stractBuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2022-07-22 02:18:53,622 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 02:18:53,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2022-07-22 02:18:53,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 02:18:53,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:53,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:53,622 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:53,622 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:18:53,623 INFO L752 eck$LassoCheckResult]: Stem: 445#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 446#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 459#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 443#L16-1 assume !!(f_~k~0#1 <= 1073741823); 444#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 460#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 461#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 462#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 463#L6-5 assume { :end_inline___VERIFIER_assert } true; 449#L24-5 [2022-07-22 02:18:53,623 INFO L754 eck$LassoCheckResult]: Loop: 449#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 450#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 449#L24-5 [2022-07-22 02:18:53,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-22 02:18:53,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:53,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1032137369, now seen corresponding path program 1 times [2022-07-22 02:18:53,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:53,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169440715] [2022-07-22 02:18:53,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:53,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:53,635 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:53,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:53,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:53,644 INFO L85 PathProgramCache]: Analyzing trace with hash 3944, now seen corresponding path program 1 times [2022-07-22 02:18:53,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:53,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241684773] [2022-07-22 02:18:53,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:53,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:53,648 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:53,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:53,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:53,652 INFO L85 PathProgramCache]: Analyzing trace with hash 253436750, now seen corresponding path program 1 times [2022-07-22 02:18:53,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:53,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936176650] [2022-07-22 02:18:53,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:53,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:53,660 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:53,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:53,862 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:53,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:53,863 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:53,863 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:53,863 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:53,863 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:53,863 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:53,863 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:53,863 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration5_Lasso [2022-07-22 02:18:53,863 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:53,863 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:53,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:53,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:54,133 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:54,133 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:54,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,140 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-22 02:18:54,142 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 [2022-07-22 02:18:54,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:54,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:54,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:54,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:54,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:54,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:54,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:54,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:54,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,184 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,191 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 [2022-07-22 02:18:54,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-22 02:18:54,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:54,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:54,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:54,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:54,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:54,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:54,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:54,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:54,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,240 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-22 02:18:54,252 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 [2022-07-22 02:18:54,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:54,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:54,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:54,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:54,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:54,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:54,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:54,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:54,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-22 02:18:54,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,289 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,292 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 [2022-07-22 02:18:54,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:54,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:54,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:54,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:54,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:54,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:54,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-22 02:18:54,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:54,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:54,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,344 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,347 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 [2022-07-22 02:18:54,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:54,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:54,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:54,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:54,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:54,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:54,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-22 02:18:54,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:54,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:54,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,396 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,399 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 [2022-07-22 02:18:54,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:54,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:54,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:54,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:54,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:54,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:54,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-22 02:18:54,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:54,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-07-22 02:18:54,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,448 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-22 02:18:54,450 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 [2022-07-22 02:18:54,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:54,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:54,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:54,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:54,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:54,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:54,474 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:54,480 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 02:18:54,480 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-07-22 02:18:54,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,484 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,492 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:54,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-22 02:18:54,501 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:18:54,501 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:54,501 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2022-07-22 02:18:54,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-22 02:18:54,520 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:18:54,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:54,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:18:54,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:54,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:18:54,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:54,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:18:54,633 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:18:54,634 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-22 02:18:54,660 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 40 transitions. Complement of second has 6 states. [2022-07-22 02:18:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:18:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-22 02:18:54,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-07-22 02:18:54,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 02:18:54,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:54,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 02:18:54,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:54,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 4 letters. [2022-07-22 02:18:54,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:54,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2022-07-22 02:18:54,662 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 02:18:54,663 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2022-07-22 02:18:54,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-07-22 02:18:54,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-07-22 02:18:54,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2022-07-22 02:18:54,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:18:54,663 INFO L369 hiAutomatonCegarLoop]: Abstraction has 30 states and 39 transitions. [2022-07-22 02:18:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2022-07-22 02:18:54,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2022-07-22 02:18:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 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) [2022-07-22 02:18:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2022-07-22 02:18:54,665 INFO L392 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2022-07-22 02:18:54,665 INFO L374 stractBuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2022-07-22 02:18:54,665 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 02:18:54,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2022-07-22 02:18:54,665 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 02:18:54,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:54,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:54,666 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:54,666 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 02:18:54,666 INFO L752 eck$LassoCheckResult]: Stem: 570#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 571#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 587#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 564#L16 assume !!(f_~k~0#1 <= 1073741823); 565#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 584#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 566#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 567#L6 assume !(0 == __VERIFIER_assert_~cond#1); 572#L6-2 assume { :end_inline___VERIFIER_assert } true; 573#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 583#L24 assume 0 != f_~c~0#1 % 256; 585#L25 [2022-07-22 02:18:54,666 INFO L754 eck$LassoCheckResult]: Loop: 585#L25 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 579#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 580#L24 assume 0 != f_~c~0#1 % 256; 585#L25 [2022-07-22 02:18:54,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:54,666 INFO L85 PathProgramCache]: Analyzing trace with hash -271483753, now seen corresponding path program 1 times [2022-07-22 02:18:54,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:54,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340525729] [2022-07-22 02:18:54,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:54,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:54,674 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:54,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:54,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:54,681 INFO L85 PathProgramCache]: Analyzing trace with hash 76305, now seen corresponding path program 1 times [2022-07-22 02:18:54,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:54,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642149566] [2022-07-22 02:18:54,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:54,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:54,685 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:54,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:54,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:54,688 INFO L85 PathProgramCache]: Analyzing trace with hash -349020741, now seen corresponding path program 1 times [2022-07-22 02:18:54,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:54,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952400438] [2022-07-22 02:18:54,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:54,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:54,697 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:54,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:54,745 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:54,745 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:54,745 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:54,745 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:54,745 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 02:18:54,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:54,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:54,746 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration6_Loop [2022-07-22 02:18:54,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:54,746 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:54,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:54,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:54,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:54,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:54,864 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:54,865 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 02:18:54,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,867 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-22 02:18:54,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:18:54,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:54,884 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:18:54,884 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 02:18:54,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:54,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,901 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-22 02:18:54,903 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:18:54,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:54,920 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:18:54,920 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=128, ULTIMATE.start_f_#t~nondet8#1=128} Honda state: {ULTIMATE.start_f_~y~0#1=128, ULTIMATE.start_f_#t~nondet8#1=128} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 02:18:54,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:54,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,937 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-22 02:18:54,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:18:54,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:54,954 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:18:54,955 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7#1=-216, ULTIMATE.start_f_~c~0#1=-216} Honda state: {ULTIMATE.start_f_#t~nondet7#1=-216, ULTIMATE.start_f_~c~0#1=-216} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 02:18:54,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-07-22 02:18:54,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,971 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-22 02:18:54,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:18:54,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:54,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-22 02:18:54,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:54,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:54,997 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:54,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-22 02:18:54,998 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 02:18:54,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:55,017 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:18:55,017 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-1}, {ULTIMATE.start_f_~z~0#1=0}, {ULTIMATE.start_f_~z~0#1=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2022-07-22 02:18:55,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-07-22 02:18:55,258 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:55,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:55,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:55,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:55,258 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:55,258 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,258 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:55,258 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:55,258 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration6_Lasso [2022-07-22 02:18:55,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:55,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:55,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:55,605 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:55,605 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:55,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,606 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,616 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 [2022-07-22 02:18:55,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:55,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:55,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-22 02:18:55,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-07-22 02:18:55,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,644 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-22 02:18:55,646 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 [2022-07-22 02:18:55,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:55,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:55,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:55,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:55,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,699 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-22 02:18:55,701 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 [2022-07-22 02:18:55,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:55,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:55,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:55,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,729 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-22 02:18:55,731 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 [2022-07-22 02:18:55,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:55,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:55,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-07-22 02:18:55,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,767 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-22 02:18:55,769 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 [2022-07-22 02:18:55,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:55,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:55,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:55,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,795 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-22 02:18:55,797 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 [2022-07-22 02:18:55,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:55,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:55,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:55,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,825 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-22 02:18:55,827 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 [2022-07-22 02:18:55,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:55,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:55,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:55,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:55,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,851 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-22 02:18:55,853 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 [2022-07-22 02:18:55,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:55,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:55,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-07-22 02:18:55,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,879 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-22 02:18:55,881 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 [2022-07-22 02:18:55,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:55,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:55,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:55,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,926 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-22 02:18:55,928 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 [2022-07-22 02:18:55,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:55,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:55,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:55,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-07-22 02:18:55,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:55,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:55,969 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:55,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-22 02:18:55,971 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 [2022-07-22 02:18:55,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:55,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:55,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:55,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:55,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:55,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:55,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,003 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-22 02:18:56,004 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 [2022-07-22 02:18:56,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:56,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:56,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,033 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-22 02:18:56,035 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 [2022-07-22 02:18:56,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:56,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:56,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:56,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-07-22 02:18:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,059 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-22 02:18:56,065 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 [2022-07-22 02:18:56,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:56,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:56,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,122 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,128 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 [2022-07-22 02:18:56,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:56,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:56,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-22 02:18:56,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,173 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,179 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 [2022-07-22 02:18:56,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:56,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:56,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-22 02:18:56,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,236 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,240 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 [2022-07-22 02:18:56,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-22 02:18:56,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:56,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:56,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,294 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,300 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 [2022-07-22 02:18:56,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:56,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:56,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-22 02:18:56,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-07-22 02:18:56,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,343 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-07-22 02:18:56,345 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 [2022-07-22 02:18:56,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:56,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:56,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:56,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,386 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-07-22 02:18:56,388 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 [2022-07-22 02:18:56,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:56,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:56,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,429 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-07-22 02:18:56,432 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 [2022-07-22 02:18:56,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:56,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:56,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-07-22 02:18:56,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,471 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-07-22 02:18:56,478 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 [2022-07-22 02:18:56,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:56,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:56,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:56,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:56,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-07-22 02:18:56,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,508 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-07-22 02:18:56,510 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 [2022-07-22 02:18:56,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:56,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:56,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:56,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:56,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:56,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:56,522 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:56,527 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-22 02:18:56,527 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-22 02:18:56,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,536 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-07-22 02:18:56,538 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:56,545 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:18:56,545 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:56,545 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~d#1, ULTIMATE.start_f_~x~0#1) = -1*ULTIMATE.start_f_~d#1 + 1*ULTIMATE.start_f_~x~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2022-07-22 02:18:56,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-07-22 02:18:56,564 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:18:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:56,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:18:56,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:56,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:18:56,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:18:56,665 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-22 02:18:56,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2022-07-22 02:18:56,701 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) Result 39 states and 51 transitions. Complement of second has 7 states. [2022-07-22 02:18:56,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 02:18:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2022-07-22 02:18:56,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2022-07-22 02:18:56,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 3 letters. [2022-07-22 02:18:56,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:56,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 3 letters. [2022-07-22 02:18:56,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:56,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 6 letters. [2022-07-22 02:18:56,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:56,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 51 transitions. [2022-07-22 02:18:56,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-07-22 02:18:56,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 46 transitions. [2022-07-22 02:18:56,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-07-22 02:18:56,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-07-22 02:18:56,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 46 transitions. [2022-07-22 02:18:56,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:18:56,705 INFO L369 hiAutomatonCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-07-22 02:18:56,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 46 transitions. [2022-07-22 02:18:56,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2022-07-22 02:18:56,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 33 states have internal predecessors, (45), 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) [2022-07-22 02:18:56,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2022-07-22 02:18:56,707 INFO L392 hiAutomatonCegarLoop]: Abstraction has 34 states and 45 transitions. [2022-07-22 02:18:56,707 INFO L374 stractBuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2022-07-22 02:18:56,707 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-22 02:18:56,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 45 transitions. [2022-07-22 02:18:56,707 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-07-22 02:18:56,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:56,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:56,708 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:56,708 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 02:18:56,708 INFO L752 eck$LassoCheckResult]: Stem: 719#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 720#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 736#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 717#L16-1 assume !!(f_~k~0#1 <= 1073741823); 718#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 737#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 738#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 739#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 740#L6-5 assume { :end_inline___VERIFIER_assert } true; 741#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 727#L24-3 assume 0 != f_~c~0#1 % 256; 735#L25-1 [2022-07-22 02:18:56,708 INFO L754 eck$LassoCheckResult]: Loop: 735#L25-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 723#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 724#L24-3 assume 0 != f_~c~0#1 % 256; 735#L25-1 [2022-07-22 02:18:56,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:56,709 INFO L85 PathProgramCache]: Analyzing trace with hash 253436746, now seen corresponding path program 1 times [2022-07-22 02:18:56,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:56,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692823528] [2022-07-22 02:18:56,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:56,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,716 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:56,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:56,723 INFO L85 PathProgramCache]: Analyzing trace with hash 126948, now seen corresponding path program 1 times [2022-07-22 02:18:56,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:56,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909997674] [2022-07-22 02:18:56,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:56,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,726 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:56,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:56,746 INFO L85 PathProgramCache]: Analyzing trace with hash -418309125, now seen corresponding path program 1 times [2022-07-22 02:18:56,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:56,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957092539] [2022-07-22 02:18:56,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:56,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,771 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:56,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:56,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,830 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:56,830 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:56,830 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:56,830 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:56,830 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 02:18:56,830 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,830 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:56,831 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:56,831 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration7_Loop [2022-07-22 02:18:56,831 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:56,831 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:56,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:56,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:56,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:56,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:56,942 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:56,942 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 02:18:56,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,944 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:18:56,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:56,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-07-22 02:18:56,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:56,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:56,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:56,984 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:56,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-07-22 02:18:56,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 02:18:56,988 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:57,016 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:18:57,016 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-1}, {ULTIMATE.start_f_~z~0#1=0}, {ULTIMATE.start_f_~z~0#1=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2022-07-22 02:18:57,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:57,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,043 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-07-22 02:18:57,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:18:57,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:57,064 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:18:57,064 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=64, ULTIMATE.start_f_#t~nondet8#1=64} Honda state: {ULTIMATE.start_f_~y~0#1=64, ULTIMATE.start_f_#t~nondet8#1=64} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 02:18:57,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-07-22 02:18:57,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,081 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-07-22 02:18:57,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:18:57,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:57,095 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:18:57,095 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 02:18:57,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-07-22 02:18:57,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,112 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-07-22 02:18:57,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:18:57,115 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:18:57,131 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:18:57,131 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7#1=225, ULTIMATE.start_f_~c~0#1=225} Honda state: {ULTIMATE.start_f_#t~nondet7#1=225, ULTIMATE.start_f_~c~0#1=225} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 02:18:57,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-07-22 02:18:57,377 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:57,377 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:57,377 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:57,377 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:57,377 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:57,377 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,377 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:57,377 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:57,377 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration7_Lasso [2022-07-22 02:18:57,378 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:57,378 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:57,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:57,686 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:57,686 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:57,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,691 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-07-22 02:18:57,693 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 [2022-07-22 02:18:57,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-07-22 02:18:57,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,719 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-07-22 02:18:57,721 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 [2022-07-22 02:18:57,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-07-22 02:18:57,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,747 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-07-22 02:18:57,750 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 [2022-07-22 02:18:57,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2022-07-22 02:18:57,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,779 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-07-22 02:18:57,784 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 [2022-07-22 02:18:57,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:57,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:57,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:57,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2022-07-22 02:18:57,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,808 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-07-22 02:18:57,810 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 [2022-07-22 02:18:57,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:57,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:57,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:57,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:57,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,834 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-07-22 02:18:57,837 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 [2022-07-22 02:18:57,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-07-22 02:18:57,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,868 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-07-22 02:18:57,870 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 [2022-07-22 02:18:57,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-07-22 02:18:57,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,904 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-07-22 02:18:57,906 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 [2022-07-22 02:18:57,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:57,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,959 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-07-22 02:18:57,961 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 [2022-07-22 02:18:57,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:57,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:57,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-07-22 02:18:57,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:57,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:57,988 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:57,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-07-22 02:18:57,990 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 [2022-07-22 02:18:57,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:57,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:57,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:57,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:57,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:57,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:58,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:58,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:58,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,019 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:58,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-07-22 02:18:58,021 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 [2022-07-22 02:18:58,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:58,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:58,033 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:58,036 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 02:18:58,036 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 02:18:58,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,037 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:58,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-07-22 02:18:58,039 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:58,046 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2022-07-22 02:18:58,046 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:58,046 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0#1) = 1*ULTIMATE.start_f_~x~0#1 + 1 Supporting invariants [1*ULTIMATE.start_f_~x~0#1 >= 0, 1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2022-07-22 02:18:58,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:58,067 INFO L293 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2022-07-22 02:18:58,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:58,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:18:58,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:58,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:18:58,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:18:58,174 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-22 02:18:58,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 45 transitions. cyclomatic complexity: 18 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2022-07-22 02:18:58,209 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 45 transitions. cyclomatic complexity: 18. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) Result 44 states and 58 transitions. Complement of second has 7 states. [2022-07-22 02:18:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 02:18:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2022-07-22 02:18:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2022-07-22 02:18:58,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 3 letters. [2022-07-22 02:18:58,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:58,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 3 letters. [2022-07-22 02:18:58,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:58,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 6 letters. [2022-07-22 02:18:58,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:58,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 58 transitions. [2022-07-22 02:18:58,212 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:18:58,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 40 states and 53 transitions. [2022-07-22 02:18:58,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-07-22 02:18:58,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-07-22 02:18:58,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 53 transitions. [2022-07-22 02:18:58,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:18:58,213 INFO L369 hiAutomatonCegarLoop]: Abstraction has 40 states and 53 transitions. [2022-07-22 02:18:58,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 53 transitions. [2022-07-22 02:18:58,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2022-07-22 02:18:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 38 states have internal predecessors, (52), 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) [2022-07-22 02:18:58,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2022-07-22 02:18:58,215 INFO L392 hiAutomatonCegarLoop]: Abstraction has 39 states and 52 transitions. [2022-07-22 02:18:58,215 INFO L374 stractBuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2022-07-22 02:18:58,215 INFO L287 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-22 02:18:58,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 52 transitions. [2022-07-22 02:18:58,215 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:18:58,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:58,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:58,216 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:58,216 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:18:58,216 INFO L752 eck$LassoCheckResult]: Stem: 888#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 889#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 900#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 876#L16 assume !!(f_~k~0#1 <= 1073741823); 877#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 897#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 878#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 879#L6 assume !(0 == __VERIFIER_assert_~cond#1); 882#L6-2 assume { :end_inline___VERIFIER_assert } true; 883#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 890#L24 assume 0 != f_~c~0#1 % 256; 894#L25 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 895#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 914#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 909#L24-2 [2022-07-22 02:18:58,216 INFO L754 eck$LassoCheckResult]: Loop: 909#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 908#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 909#L24-2 [2022-07-22 02:18:58,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:58,217 INFO L85 PathProgramCache]: Analyzing trace with hash -349020737, now seen corresponding path program 1 times [2022-07-22 02:18:58,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:58,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618482473] [2022-07-22 02:18:58,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:58,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,225 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:58,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:58,233 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 3 times [2022-07-22 02:18:58,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:58,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177457808] [2022-07-22 02:18:58,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:58,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,235 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:58,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:58,238 INFO L85 PathProgramCache]: Analyzing trace with hash -401477818, now seen corresponding path program 2 times [2022-07-22 02:18:58,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:58,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293007524] [2022-07-22 02:18:58,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:58,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,245 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:58,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:58,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:58,581 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:58,581 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:58,581 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:58,581 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:58,581 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:58,581 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,581 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:58,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:58,582 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration8_Lasso [2022-07-22 02:18:58,582 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:58,582 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:58,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:18:58,944 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:58,944 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:58,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:58,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:58,950 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:58,955 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 [2022-07-22 02:18:58,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:58,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:58,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:58,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:58,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:58,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:58,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:58,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-07-22 02:18:58,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-07-22 02:18:59,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,003 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-07-22 02:18:59,005 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 [2022-07-22 02:18:59,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-07-22 02:18:59,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,031 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-07-22 02:18:59,033 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 [2022-07-22 02:18:59,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2022-07-22 02:18:59,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,059 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-07-22 02:18:59,061 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 [2022-07-22 02:18:59,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,089 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-07-22 02:18:59,091 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 [2022-07-22 02:18:59,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:59,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:59,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:59,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2022-07-22 02:18:59,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,116 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-07-22 02:18:59,118 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 [2022-07-22 02:18:59,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,146 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-07-22 02:18:59,148 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 [2022-07-22 02:18:59,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2022-07-22 02:18:59,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,175 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-07-22 02:18:59,177 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 [2022-07-22 02:18:59,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,203 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-07-22 02:18:59,206 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 [2022-07-22 02:18:59,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2022-07-22 02:18:59,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,232 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-07-22 02:18:59,234 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 [2022-07-22 02:18:59,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:59,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:59,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:59,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,273 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-07-22 02:18:59,275 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 [2022-07-22 02:18:59,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,309 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-07-22 02:18:59,311 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 [2022-07-22 02:18:59,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,338 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-07-22 02:18:59,339 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 [2022-07-22 02:18:59,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2022-07-22 02:18:59,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,366 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-07-22 02:18:59,368 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 [2022-07-22 02:18:59,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2022-07-22 02:18:59,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,400 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-07-22 02:18:59,402 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 [2022-07-22 02:18:59,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,428 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-07-22 02:18:59,448 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 [2022-07-22 02:18:59,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2022-07-22 02:18:59,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,475 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-07-22 02:18:59,477 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 [2022-07-22 02:18:59,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,503 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-07-22 02:18:59,505 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 [2022-07-22 02:18:59,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:59,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:59,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:59,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2022-07-22 02:18:59,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,530 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-07-22 02:18:59,532 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 [2022-07-22 02:18:59,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:59,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,586 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-07-22 02:18:59,588 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 [2022-07-22 02:18:59,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:59,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2022-07-22 02:18:59,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,619 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-07-22 02:18:59,622 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 [2022-07-22 02:18:59,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:59,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:59,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:59,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:59,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:59,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:59,635 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:59,640 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 02:18:59,640 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-22 02:18:59,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:59,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:59,641 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:18:59,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-07-22 02:18:59,643 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:59,650 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:18:59,650 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:59,650 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2022-07-22 02:18:59,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2022-07-22 02:18:59,670 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:18:59,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:59,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:18:59,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:59,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:18:59,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:18:59,749 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:18:59,749 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 52 transitions. cyclomatic complexity: 21 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-07-22 02:18:59,777 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 52 transitions. cyclomatic complexity: 21. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 57 states and 74 transitions. Complement of second has 6 states. [2022-07-22 02:18:59,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:18:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-07-22 02:18:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-07-22 02:18:59,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-22 02:18:59,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:59,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-22 02:18:59,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:59,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 4 letters. [2022-07-22 02:18:59,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:59,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 74 transitions. [2022-07-22 02:18:59,780 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:18:59,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 49 states and 64 transitions. [2022-07-22 02:18:59,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-07-22 02:18:59,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-07-22 02:18:59,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 64 transitions. [2022-07-22 02:18:59,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:18:59,781 INFO L369 hiAutomatonCegarLoop]: Abstraction has 49 states and 64 transitions. [2022-07-22 02:18:59,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 64 transitions. [2022-07-22 02:18:59,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2022-07-22 02:18:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 46 states have internal predecessors, (62), 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) [2022-07-22 02:18:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2022-07-22 02:18:59,784 INFO L392 hiAutomatonCegarLoop]: Abstraction has 47 states and 62 transitions. [2022-07-22 02:18:59,784 INFO L374 stractBuchiCegarLoop]: Abstraction has 47 states and 62 transitions. [2022-07-22 02:18:59,784 INFO L287 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-22 02:18:59,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 62 transitions. [2022-07-22 02:18:59,785 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:18:59,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:59,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:59,786 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:59,786 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:18:59,786 INFO L752 eck$LassoCheckResult]: Stem: 1067#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1068#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1081#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 1060#L16-1 assume !!(f_~k~0#1 <= 1073741823); 1061#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 1082#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 1083#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1084#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 1085#L6-5 assume { :end_inline___VERIFIER_assert } true; 1062#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1063#L24-3 assume 0 != f_~c~0#1 % 256; 1079#L25-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 1065#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1066#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1087#L24-5 [2022-07-22 02:18:59,786 INFO L754 eck$LassoCheckResult]: Loop: 1087#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1086#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1087#L24-5 [2022-07-22 02:18:59,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:59,786 INFO L85 PathProgramCache]: Analyzing trace with hash -418309121, now seen corresponding path program 1 times [2022-07-22 02:18:59,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:59,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513812984] [2022-07-22 02:18:59,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:59,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:59,794 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:59,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:59,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:59,832 INFO L85 PathProgramCache]: Analyzing trace with hash 3944, now seen corresponding path program 2 times [2022-07-22 02:18:59,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:59,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078460774] [2022-07-22 02:18:59,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:59,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:59,835 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:59,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:59,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:59,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1731863526, now seen corresponding path program 2 times [2022-07-22 02:18:59,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:59,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030321743] [2022-07-22 02:18:59,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:59,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:59,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2022-07-22 02:18:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:59,847 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:59,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:19:00,173 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:19:00,173 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:19:00,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:19:00,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:19:00,173 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:19:00,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:19:00,177 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:19:00,177 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration9_Lasso [2022-07-22 02:19:00,177 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:19:00,177 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:19:00,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:00,482 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:19:00,482 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:19:00,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,484 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-07-22 02:19:00,492 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 [2022-07-22 02:19:00,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:00,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:00,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:19:00,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2022-07-22 02:19:00,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,520 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-07-22 02:19:00,522 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 [2022-07-22 02:19:00,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:00,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:00,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:19:00,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2022-07-22 02:19:00,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,549 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-07-22 02:19:00,551 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 [2022-07-22 02:19:00,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:00,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:00,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:19:00,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2022-07-22 02:19:00,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,578 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-07-22 02:19:00,580 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 [2022-07-22 02:19:00,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:00,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:00,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:19:00,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2022-07-22 02:19:00,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,606 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-07-22 02:19:00,608 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 [2022-07-22 02:19:00,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:19:00,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:19:00,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:19:00,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:19:00,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2022-07-22 02:19:00,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,632 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-07-22 02:19:00,634 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 [2022-07-22 02:19:00,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:00,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:00,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:19:00,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2022-07-22 02:19:00,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,661 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-07-22 02:19:00,708 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 [2022-07-22 02:19:00,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:00,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:00,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:19:00,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2022-07-22 02:19:00,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,736 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-07-22 02:19:00,738 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 [2022-07-22 02:19:00,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:19:00,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:19:00,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:19:00,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:19:00,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2022-07-22 02:19:00,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,763 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-07-22 02:19:00,765 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 [2022-07-22 02:19:00,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:00,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:00,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:19:00,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2022-07-22 02:19:00,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,834 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-07-22 02:19:00,836 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 [2022-07-22 02:19:00,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:00,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:00,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:00,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:00,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:00,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:00,879 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:19:00,889 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-22 02:19:00,889 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-07-22 02:19:00,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:00,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:00,892 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:00,899 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:19:00,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-07-22 02:19:00,928 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:19:00,928 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:19:00,928 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2022-07-22 02:19:00,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2022-07-22 02:19:00,957 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:19:00,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:00,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:19:00,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:01,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:19:01,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:19:01,050 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:19:01,050 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 62 transitions. cyclomatic complexity: 25 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-07-22 02:19:01,080 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 62 transitions. cyclomatic complexity: 25. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 84 transitions. Complement of second has 6 states. [2022-07-22 02:19:01,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:19:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-07-22 02:19:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-07-22 02:19:01,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-22 02:19:01,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:01,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-22 02:19:01,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:01,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 4 letters. [2022-07-22 02:19:01,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:01,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 84 transitions. [2022-07-22 02:19:01,082 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:19:01,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 57 states and 74 transitions. [2022-07-22 02:19:01,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-07-22 02:19:01,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-07-22 02:19:01,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 74 transitions. [2022-07-22 02:19:01,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:19:01,083 INFO L369 hiAutomatonCegarLoop]: Abstraction has 57 states and 74 transitions. [2022-07-22 02:19:01,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 74 transitions. [2022-07-22 02:19:01,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2022-07-22 02:19:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.309090909090909) internal successors, (72), 54 states have internal predecessors, (72), 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) [2022-07-22 02:19:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 72 transitions. [2022-07-22 02:19:01,086 INFO L392 hiAutomatonCegarLoop]: Abstraction has 55 states and 72 transitions. [2022-07-22 02:19:01,086 INFO L374 stractBuchiCegarLoop]: Abstraction has 55 states and 72 transitions. [2022-07-22 02:19:01,086 INFO L287 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-07-22 02:19:01,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 72 transitions. [2022-07-22 02:19:01,087 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:19:01,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:19:01,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:19:01,087 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:19:01,087 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:19:01,088 INFO L752 eck$LassoCheckResult]: Stem: 1258#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1259#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1278#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 1252#L16 assume !!(f_~k~0#1 <= 1073741823); 1253#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 1271#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 1254#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1255#L6 assume !(0 == __VERIFIER_assert_~cond#1); 1260#L6-2 assume { :end_inline___VERIFIER_assert } true; 1261#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1267#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1302#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1285#L24 assume 0 != f_~c~0#1 % 256; 1286#L25 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 1294#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1293#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1292#L24-2 [2022-07-22 02:19:01,088 INFO L754 eck$LassoCheckResult]: Loop: 1292#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1291#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1292#L24-2 [2022-07-22 02:19:01,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:01,088 INFO L85 PathProgramCache]: Analyzing trace with hash -291491368, now seen corresponding path program 3 times [2022-07-22 02:19:01,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:19:01,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323952968] [2022-07-22 02:19:01,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:19:01,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:19:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:01,098 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:19:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:01,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:19:01,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:01,113 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 4 times [2022-07-22 02:19:01,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:19:01,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675826456] [2022-07-22 02:19:01,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:19:01,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:19:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:01,117 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:19:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:01,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:19:01,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:01,121 INFO L85 PathProgramCache]: Analyzing trace with hash -950329057, now seen corresponding path program 4 times [2022-07-22 02:19:01,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:19:01,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159878050] [2022-07-22 02:19:01,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:19:01,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:19:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:01,136 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:19:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:01,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:19:01,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2022-07-22 02:19:01,521 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:19:01,521 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:19:01,521 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:19:01,521 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:19:01,521 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:19:01,521 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:01,521 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:19:01,521 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:19:01,521 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration10_Lasso [2022-07-22 02:19:01,521 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:19:01,521 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:19:01,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:01,849 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:19:01,850 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:19:01,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:01,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:01,851 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:01,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-07-22 02:19:01,853 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 [2022-07-22 02:19:01,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:01,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:01,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:01,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:01,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:01,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:01,866 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:19:01,878 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 02:19:01,878 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-22 02:19:01,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:01,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:01,883 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:01,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-07-22 02:19:01,884 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:19:01,891 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:19:01,891 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:19:01,891 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2022-07-22 02:19:01,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2022-07-22 02:19:01,911 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:19:01,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:01,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:19:01,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:01,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:19:01,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:19:02,007 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:19:02,007 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:02,038 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Result 63 states and 80 transitions. Complement of second has 6 states. [2022-07-22 02:19:02,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:19:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-07-22 02:19:02,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-22 02:19:02,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:02,040 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 02:19:02,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:02,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:19:02,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:02,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:19:02,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:19:02,133 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:19:02,133 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:02,159 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Result 63 states and 80 transitions. Complement of second has 6 states. [2022-07-22 02:19:02,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:19:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-07-22 02:19:02,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-22 02:19:02,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:02,160 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 02:19:02,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2022-07-22 02:19:02,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:02,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:19:02,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:02,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:19:02,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:19:02,249 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:19:02,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:02,270 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 72 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Result 66 states and 85 transitions. Complement of second has 5 states. [2022-07-22 02:19:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:19:02,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2022-07-22 02:19:02,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-22 02:19:02,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:02,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 18 letters. Loop has 2 letters. [2022-07-22 02:19:02,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:02,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 16 letters. Loop has 4 letters. [2022-07-22 02:19:02,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:02,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 85 transitions. [2022-07-22 02:19:02,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 02:19:02,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 29 states and 37 transitions. [2022-07-22 02:19:02,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-22 02:19:02,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-22 02:19:02,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2022-07-22 02:19:02,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:19:02,274 INFO L369 hiAutomatonCegarLoop]: Abstraction has 29 states and 37 transitions. [2022-07-22 02:19:02,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2022-07-22 02:19:02,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-07-22 02:19:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 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) [2022-07-22 02:19:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2022-07-22 02:19:02,276 INFO L392 hiAutomatonCegarLoop]: Abstraction has 29 states and 37 transitions. [2022-07-22 02:19:02,276 INFO L374 stractBuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2022-07-22 02:19:02,276 INFO L287 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-07-22 02:19:02,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 37 transitions. [2022-07-22 02:19:02,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 02:19:02,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:19:02,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:19:02,278 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:19:02,278 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:19:02,278 INFO L752 eck$LassoCheckResult]: Stem: 1725#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1726#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1735#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 1718#L16-1 assume !!(f_~k~0#1 <= 1073741823); 1719#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 1736#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 1727#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1716#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 1717#L6-5 assume { :end_inline___VERIFIER_assert } true; 1720#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1721#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1744#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1737#L24-3 assume 0 != f_~c~0#1 % 256; 1738#L25-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 1742#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1740#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1732#L24-5 [2022-07-22 02:19:02,278 INFO L754 eck$LassoCheckResult]: Loop: 1732#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1731#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1732#L24-5 [2022-07-22 02:19:02,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:02,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1841849976, now seen corresponding path program 3 times [2022-07-22 02:19:02,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:19:02,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985384655] [2022-07-22 02:19:02,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:19:02,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:19:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:02,285 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:19:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:02,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:19:02,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:02,292 INFO L85 PathProgramCache]: Analyzing trace with hash 3944, now seen corresponding path program 3 times [2022-07-22 02:19:02,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:19:02,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046176894] [2022-07-22 02:19:02,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:19:02,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:19:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:02,294 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:19:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:02,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:19:02,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:02,296 INFO L85 PathProgramCache]: Analyzing trace with hash 491303967, now seen corresponding path program 4 times [2022-07-22 02:19:02,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:19:02,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180817699] [2022-07-22 02:19:02,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:19:02,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:19:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:02,303 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:19:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:19:02,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:19:02,683 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:19:02,683 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:19:02,683 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:19:02,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:19:02,683 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:19:02,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:02,683 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:19:02,683 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:19:02,683 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration11_Lasso [2022-07-22 02:19:02,683 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:19:02,683 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:19:02,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:02,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:19:03,045 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:19:03,045 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:19:03,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:03,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:03,049 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:03,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-07-22 02:19:03,051 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 [2022-07-22 02:19:03,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:19:03,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:19:03,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:19:03,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:19:03,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:19:03,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:19:03,064 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:19:03,068 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 02:19:03,068 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-07-22 02:19:03,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:19:03,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:19:03,070 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:19:03,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-07-22 02:19:03,073 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:19:03,079 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 02:19:03,079 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:19:03,079 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2022-07-22 02:19:03,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2022-07-22 02:19:03,097 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 02:19:03,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:03,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:19:03,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:03,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:19:03,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:03,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:19:03,179 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:19:03,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:03,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Result 37 states and 45 transitions. Complement of second has 6 states. [2022-07-22 02:19:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:19:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-07-22 02:19:03,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-22 02:19:03,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:03,207 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 02:19:03,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:03,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:19:03,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:03,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2022-07-22 02:19:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:03,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:19:03,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:19:03,315 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:19:03,315 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:03,341 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Result 37 states and 45 transitions. Complement of second has 6 states. [2022-07-22 02:19:03,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:19:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-07-22 02:19:03,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-22 02:19:03,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:03,343 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 02:19:03,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:19:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:03,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:19:03,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:19:03,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:19:03,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:19:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:19:03,451 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 02:19:03,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:03,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Result 40 states and 50 transitions. Complement of second has 5 states. [2022-07-22 02:19:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:19:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2022-07-22 02:19:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-07-22 02:19:03,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-22 02:19:03,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:03,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 18 letters. Loop has 2 letters. [2022-07-22 02:19:03,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:03,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 4 letters. [2022-07-22 02:19:03,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:19:03,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2022-07-22 02:19:03,474 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:19:03,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2022-07-22 02:19:03,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 02:19:03,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 02:19:03,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 02:19:03,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:19:03,474 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:19:03,474 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:19:03,474 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:19:03,474 INFO L287 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-07-22 02:19:03,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 02:19:03,475 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:19:03,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 02:19:03,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:19:03 BoogieIcfgContainer [2022-07-22 02:19:03,480 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:19:03,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:19:03,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:19:03,481 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:19:03,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:18:48" (3/4) ... [2022-07-22 02:19:03,485 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 02:19:03,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:19:03,485 INFO L158 Benchmark]: Toolchain (without parser) took 15142.77ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 29.8MB in the beginning and 34.9MB in the end (delta: -5.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-07-22 02:19:03,486 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:19:03,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.97ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.7MB in the beginning and 46.9MB in the end (delta: -17.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-07-22 02:19:03,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.22ms. Allocated memory is still 62.9MB. Free memory was 46.9MB in the beginning and 45.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:19:03,487 INFO L158 Benchmark]: Boogie Preprocessor took 36.61ms. Allocated memory is still 62.9MB. Free memory was 45.2MB in the beginning and 44.2MB in the end (delta: 943.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:19:03,487 INFO L158 Benchmark]: RCFGBuilder took 298.56ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 34.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 02:19:03,487 INFO L158 Benchmark]: BuchiAutomizer took 14515.63ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 34.0MB in the beginning and 35.6MB in the end (delta: -1.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-07-22 02:19:03,488 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 75.5MB. Free memory was 35.6MB in the beginning and 34.9MB in the end (delta: 683.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:19:03,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.97ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.7MB in the beginning and 46.9MB in the end (delta: -17.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.22ms. Allocated memory is still 62.9MB. Free memory was 46.9MB in the beginning and 45.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.61ms. Allocated memory is still 62.9MB. Free memory was 45.2MB in the beginning and 44.2MB in the end (delta: 943.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.56ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 34.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 14515.63ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 34.0MB in the beginning and 35.6MB in the end (delta: -1.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 75.5MB. Free memory was 35.6MB in the beginning and 34.9MB in the end (delta: 683.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (1 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function k + -1 * z and consists of 5 locations. One deterministic module has affine ranking function k + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x + -1 * d and consists of 5 locations. One deterministic module has affine ranking function x + 1 and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 12.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 20 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 497 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 497 mSDsluCounter, 411 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 119 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 292 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN1 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital106 mio100 ax100 hnf100 lsp24 ukn91 mio100 lsp100 div326 bol100 ite100 ukn100 eq146 hnf95 smp42 dnf100 smp100 tf101 neg98 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 02:19:03,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE