./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5317dae 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/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 9200f4b7c01ae534db411c2832d0714b6eaa58a9d668730c8aeb9497dccadca2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:30:41,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:30:41,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:30:41,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:30:41,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:30:41,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:30:42,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:30:42,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:30:42,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:30:42,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:30:42,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:30:42,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:30:42,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:30:42,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:30:42,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:30:42,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:30:42,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:30:42,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:30:42,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:30:42,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:30:42,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:30:42,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:30:42,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:30:42,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:30:42,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:30:42,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:30:42,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:30:42,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:30:42,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:30:42,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:30:42,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:30:42,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:30:42,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:30:42,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:30:42,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:30:42,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:30:42,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:30:42,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:30:42,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:30:42,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:30:42,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:30:42,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-16 04:30:42,057 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:30:42,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:30:42,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:30:42,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:30:42,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:30:42,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:30:42,059 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:30:42,059 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-16 04:30:42,059 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-16 04:30:42,060 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-16 04:30:42,060 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-16 04:30:42,060 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-16 04:30:42,060 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-16 04:30:42,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:30:42,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:30:42,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:30:42,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:30:42,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-16 04:30:42,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-16 04:30:42,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-16 04:30:42,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:30:42,062 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-16 04:30:42,062 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:30:42,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-16 04:30:42,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:30:42,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:30:42,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:30:42,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:30:42,063 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-16 04:30:42,063 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9200f4b7c01ae534db411c2832d0714b6eaa58a9d668730c8aeb9497dccadca2 [2023-02-16 04:30:42,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:30:42,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:30:42,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:30:42,286 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:30:42,286 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:30:42,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2023-02-16 04:30:43,218 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:30:43,409 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:30:43,409 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2023-02-16 04:30:43,413 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1266c99e8/1998d89b0f4345878046847f99abfd2f/FLAG9e3a53e4b [2023-02-16 04:30:43,428 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1266c99e8/1998d89b0f4345878046847f99abfd2f [2023-02-16 04:30:43,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:30:43,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:30:43,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:30:43,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:30:43,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:30:43,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae3f87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43, skipping insertion in model container [2023-02-16 04:30:43,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:30:43,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:30:43,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:30:43,530 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:30:43,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:30:43,545 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:30:43,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43 WrapperNode [2023-02-16 04:30:43,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:30:43,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:30:43,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:30:43,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:30:43,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,562 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2023-02-16 04:30:43,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:30:43,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:30:43,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:30:43,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:30:43,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:30:43,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:30:43,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:30:43,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:30:43,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (1/1) ... [2023-02-16 04:30:43,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:43,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:43,594 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) [2023-02-16 04:30:43,599 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 [2023-02-16 04:30:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:30:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:30:43,663 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:30:43,665 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:30:43,729 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:30:43,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:30:43,733 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-16 04:30:43,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:30:43 BoogieIcfgContainer [2023-02-16 04:30:43,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:30:43,735 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-16 04:30:43,735 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-16 04:30:43,737 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-16 04:30:43,738 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:30:43,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.02 04:30:43" (1/3) ... [2023-02-16 04:30:43,739 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@270a9640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:30:43, skipping insertion in model container [2023-02-16 04:30:43,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:30:43,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:43" (2/3) ... [2023-02-16 04:30:43,739 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@270a9640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:30:43, skipping insertion in model container [2023-02-16 04:30:43,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:30:43,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:30:43" (3/3) ... [2023-02-16 04:30:43,740 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-loops.c [2023-02-16 04:30:43,774 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-16 04:30:43,774 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-16 04:30:43,774 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-16 04:30:43,775 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-16 04:30:43,775 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-16 04:30:43,775 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-16 04:30:43,775 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-16 04:30:43,775 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-16 04:30:43,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:30:43,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-16 04:30:43,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:43,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:43,792 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-16 04:30:43,792 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-16 04:30:43,793 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-16 04:30:43,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:30:43,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-16 04:30:43,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:43,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:43,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-16 04:30:43,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-16 04:30:43,799 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~n~0#1; 4#L18true assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 2#L19-2true [2023-02-16 04:30:43,800 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 7#L21true assume !(main_~y~0#1 < main_~x~0#1); 11#L21-1true main_~x~0#1 := main_~x~0#1 - 1; 2#L19-2true [2023-02-16 04:30:43,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:43,803 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-02-16 04:30:43,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:43,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361366656] [2023-02-16 04:30:43,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:43,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:43,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:43,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:43,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:43,893 INFO L85 PathProgramCache]: Analyzing trace with hash 44239, now seen corresponding path program 1 times [2023-02-16 04:30:43,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:43,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919944667] [2023-02-16 04:30:43,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:43,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:43,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:43,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:43,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:43,925 INFO L85 PathProgramCache]: Analyzing trace with hash 889514126, now seen corresponding path program 1 times [2023-02-16 04:30:43,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:43,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655663035] [2023-02-16 04:30:43,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:43,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:43,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:43,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:44,016 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:44,017 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:44,017 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:44,017 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:44,017 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:30:44,017 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,017 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:44,017 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:44,018 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration1_Loop [2023-02-16 04:30:44,018 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:44,018 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:44,029 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,124 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:44,125 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:30:44,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,129 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) [2023-02-16 04:30:44,132 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 [2023-02-16 04:30:44,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:44,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:44,167 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:44,167 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:44,173 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 [2023-02-16 04:30:44,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,174 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) [2023-02-16 04:30:44,176 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 [2023-02-16 04:30:44,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:44,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:44,200 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:44,201 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:44,215 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 [2023-02-16 04:30:44,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,216 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) [2023-02-16 04:30:44,218 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 [2023-02-16 04:30:44,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:44,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:44,253 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 [2023-02-16 04:30:44,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,255 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) [2023-02-16 04:30:44,261 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 [2023-02-16 04:30:44,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:30:44,264 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:44,301 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:30:44,308 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 [2023-02-16 04:30:44,309 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:44,309 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:44,309 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:44,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:44,309 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:30:44,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:44,309 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:44,309 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration1_Loop [2023-02-16 04:30:44,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:44,309 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:44,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,401 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:44,404 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:30:44,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,406 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) [2023-02-16 04:30:44,408 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 [2023-02-16 04:30:44,409 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 [2023-02-16 04:30:44,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:44,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:44,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:44,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:44,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:44,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:44,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:44,438 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 [2023-02-16 04:30:44,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,442 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) [2023-02-16 04:30:44,445 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 [2023-02-16 04:30:44,446 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 [2023-02-16 04:30:44,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:44,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:44,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:44,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:44,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:44,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:44,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:44,483 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 [2023-02-16 04:30:44,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,491 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) [2023-02-16 04:30:44,492 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 [2023-02-16 04:30:44,494 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 [2023-02-16 04:30:44,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:44,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:44,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:44,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:44,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:44,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:44,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:44,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:30:44,518 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-16 04:30:44,518 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-16 04:30:44,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,565 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) [2023-02-16 04:30:44,566 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 [2023-02-16 04:30:44,568 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:30:44,568 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-16 04:30:44,568 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:30:44,569 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-02-16 04:30:44,572 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 [2023-02-16 04:30:44,575 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-16 04:30:44,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:44,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:30:44,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:44,616 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:30:44,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:44,660 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-16 04:30:44,662 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:30:44,691 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 45 transitions. Complement of second has 7 states. [2023-02-16 04:30:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-16 04:30:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:30:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2023-02-16 04:30:44,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 3 letters. [2023-02-16 04:30:44,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:44,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 3 letters. [2023-02-16 04:30:44,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:44,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 6 letters. [2023-02-16 04:30:44,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:44,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2023-02-16 04:30:44,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-16 04:30:44,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 10 states and 14 transitions. [2023-02-16 04:30:44,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-16 04:30:44,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-02-16 04:30:44,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2023-02-16 04:30:44,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:30:44,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2023-02-16 04:30:44,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2023-02-16 04:30:44,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-02-16 04:30:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:30:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2023-02-16 04:30:44,720 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2023-02-16 04:30:44,721 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2023-02-16 04:30:44,721 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-16 04:30:44,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2023-02-16 04:30:44,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-16 04:30:44,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:44,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:44,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-16 04:30:44,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-16 04:30:44,723 INFO L748 eck$LassoCheckResult]: Stem: 94#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 95#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~n~0#1; 90#L18 assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 86#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 87#L21 assume main_~y~0#1 < main_~x~0#1; 91#L22-2 [2023-02-16 04:30:44,723 INFO L750 eck$LassoCheckResult]: Loop: 91#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 91#L22-2 [2023-02-16 04:30:44,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:44,724 INFO L85 PathProgramCache]: Analyzing trace with hash 28693989, now seen corresponding path program 1 times [2023-02-16 04:30:44,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:44,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411547217] [2023-02-16 04:30:44,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:44,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:44,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:44,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:44,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:44,742 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2023-02-16 04:30:44,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:44,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434028407] [2023-02-16 04:30:44,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:44,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:44,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:44,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:44,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:44,757 INFO L85 PathProgramCache]: Analyzing trace with hash 889513685, now seen corresponding path program 1 times [2023-02-16 04:30:44,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:44,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210423920] [2023-02-16 04:30:44,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:44,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:44,766 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:44,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:44,804 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:44,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:44,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:44,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:44,804 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:30:44,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:44,804 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:44,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration2_Lasso [2023-02-16 04:30:44,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:44,805 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:44,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:44,881 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:44,881 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:30:44,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,883 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) [2023-02-16 04:30:44,885 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 [2023-02-16 04:30:44,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:44,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:44,908 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:44,908 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:44,913 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 [2023-02-16 04:30:44,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,915 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) [2023-02-16 04:30:44,917 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 [2023-02-16 04:30:44,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:44,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:44,940 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:44,940 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:44,945 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 [2023-02-16 04:30:44,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,947 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) [2023-02-16 04:30:44,949 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 [2023-02-16 04:30:44,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:44,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:44,987 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 [2023-02-16 04:30:44,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:44,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:44,988 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) [2023-02-16 04:30:44,989 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 [2023-02-16 04:30:44,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:30:44,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:58,018 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-16 04:30:58,054 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 [2023-02-16 04:30:58,055 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:58,055 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:58,055 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:58,055 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:58,055 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:30:58,055 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,055 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:58,055 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:58,055 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration2_Lasso [2023-02-16 04:30:58,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:58,055 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:58,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,070 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,078 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,140 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:58,141 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:30:58,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,142 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) [2023-02-16 04:30:58,144 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 [2023-02-16 04:30:58,146 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 [2023-02-16 04:30:58,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:58,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:58,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:58,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:58,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:58,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:58,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:58,175 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 [2023-02-16 04:30:58,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,176 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) [2023-02-16 04:30:58,182 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 [2023-02-16 04:30:58,183 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 [2023-02-16 04:30:58,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:58,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:58,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:58,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:58,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:58,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:58,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:58,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:58,197 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 [2023-02-16 04:30:58,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,198 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) [2023-02-16 04:30:58,199 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 [2023-02-16 04:30:58,201 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 [2023-02-16 04:30:58,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:58,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:58,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:58,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:58,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:58,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:58,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:58,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:58,222 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 [2023-02-16 04:30:58,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,224 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) [2023-02-16 04:30:58,227 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 [2023-02-16 04:30:58,228 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 [2023-02-16 04:30:58,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:58,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:58,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:58,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:58,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:58,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:58,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:58,244 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 [2023-02-16 04:30:58,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,245 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) [2023-02-16 04:30:58,247 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 [2023-02-16 04:30:58,248 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 [2023-02-16 04:30:58,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:58,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:58,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:58,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:58,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:58,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:58,275 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:30:58,281 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-02-16 04:30:58,281 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-16 04:30:58,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,284 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) [2023-02-16 04:30:58,285 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 [2023-02-16 04:30:58,286 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:30:58,298 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:30:58,298 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:30:58,298 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2023-02-16 04:30:58,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-02-16 04:30:58,314 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:30:58,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:58,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:30:58,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:58,350 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:30:58,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:58,351 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-02-16 04:30:58,351 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:30:58,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 29 transitions. Complement of second has 6 states. [2023-02-16 04:30:58,373 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 [2023-02-16 04:30:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:30:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-02-16 04:30:58,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-16 04:30:58,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:58,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 1 letters. [2023-02-16 04:30:58,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:58,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-16 04:30:58,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:58,375 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 29 transitions. [2023-02-16 04:30:58,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-16 04:30:58,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2023-02-16 04:30:58,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-16 04:30:58,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-02-16 04:30:58,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2023-02-16 04:30:58,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:30:58,376 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-02-16 04:30:58,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2023-02-16 04:30:58,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 13. [2023-02-16 04:30:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-02-16 04:30:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-02-16 04:30:58,378 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-02-16 04:30:58,378 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-02-16 04:30:58,378 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-16 04:30:58,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2023-02-16 04:30:58,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-16 04:30:58,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:58,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:58,379 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:30:58,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-16 04:30:58,379 INFO L748 eck$LassoCheckResult]: Stem: 174#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 175#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~n~0#1; 168#L18 assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 165#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 166#L21 assume main_~y~0#1 < main_~x~0#1; 172#L22-2 assume !(main_~y~0#1 < main_~x~0#1); 173#L21-1 main_~x~0#1 := main_~x~0#1 - 1; 176#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 169#L21 assume main_~y~0#1 < main_~x~0#1; 170#L22-2 [2023-02-16 04:30:58,379 INFO L750 eck$LassoCheckResult]: Loop: 170#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 170#L22-2 [2023-02-16 04:30:58,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:58,380 INFO L85 PathProgramCache]: Analyzing trace with hash -446053903, now seen corresponding path program 1 times [2023-02-16 04:30:58,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:58,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880989366] [2023-02-16 04:30:58,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:58,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:58,435 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 [2023-02-16 04:30:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:58,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:30:58,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880989366] [2023-02-16 04:30:58,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880989366] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:30:58,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:30:58,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:30:58,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132318428] [2023-02-16 04:30:58,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:30:58,455 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-16 04:30:58,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 2 times [2023-02-16 04:30:58,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:58,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984633943] [2023-02-16 04:30:58,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:58,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:58,457 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 [2023-02-16 04:30:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:58,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:30:58,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:30:58,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:30:58,473 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-02-16 04:30:58,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:30:58,483 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2023-02-16 04:30:58,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2023-02-16 04:30:58,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-16 04:30:58,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2023-02-16 04:30:58,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-16 04:30:58,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-02-16 04:30:58,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2023-02-16 04:30:58,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:30:58,485 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-02-16 04:30:58,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2023-02-16 04:30:58,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-02-16 04:30:58,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:30:58,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2023-02-16 04:30:58,486 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2023-02-16 04:30:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:30:58,487 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2023-02-16 04:30:58,487 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-16 04:30:58,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2023-02-16 04:30:58,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-16 04:30:58,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:58,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:58,488 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-02-16 04:30:58,488 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-16 04:30:58,488 INFO L748 eck$LassoCheckResult]: Stem: 208#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 209#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~n~0#1; 202#L18 assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 199#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 200#L21 assume main_~y~0#1 < main_~x~0#1; 206#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 210#L22-2 assume !(main_~y~0#1 < main_~x~0#1); 207#L21-1 main_~x~0#1 := main_~x~0#1 - 1; 211#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 203#L21 assume main_~y~0#1 < main_~x~0#1; 204#L22-2 [2023-02-16 04:30:58,488 INFO L750 eck$LassoCheckResult]: Loop: 204#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 204#L22-2 [2023-02-16 04:30:58,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:58,489 INFO L85 PathProgramCache]: Analyzing trace with hash -941171999, now seen corresponding path program 1 times [2023-02-16 04:30:58,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:58,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089103518] [2023-02-16 04:30:58,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:58,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:58,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:30:58,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089103518] [2023-02-16 04:30:58,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089103518] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:30:58,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915613004] [2023-02-16 04:30:58,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:58,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:30:58,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,570 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:30:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:58,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 04:30:58,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:58,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-02-16 04:30:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:58,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:30:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:58,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915613004] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:30:58,673 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:30:58,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2023-02-16 04:30:58,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081714079] [2023-02-16 04:30:58,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:30:58,674 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-16 04:30:58,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:58,674 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 3 times [2023-02-16 04:30:58,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:58,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404741617] [2023-02-16 04:30:58,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:58,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:58,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:30:58,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-16 04:30:58,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-02-16 04:30:58,695 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:30:58,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:30:58,754 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2023-02-16 04:30:58,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2023-02-16 04:30:58,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-16 04:30:58,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 15 states and 17 transitions. [2023-02-16 04:30:58,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-02-16 04:30:58,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-16 04:30:58,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2023-02-16 04:30:58,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:30:58,756 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-02-16 04:30:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2023-02-16 04:30:58,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2023-02-16 04:30:58,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 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) [2023-02-16 04:30:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2023-02-16 04:30:58,757 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2023-02-16 04:30:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-16 04:30:58,758 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2023-02-16 04:30:58,758 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-16 04:30:58,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2023-02-16 04:30:58,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-16 04:30:58,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:58,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:58,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:30:58,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-16 04:30:58,759 INFO L748 eck$LassoCheckResult]: Stem: 321#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 322#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~n~0#1; 318#L18 assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 314#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 315#L21 assume main_~y~0#1 < main_~x~0#1; 320#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 323#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 325#L22-2 assume !(main_~y~0#1 < main_~x~0#1); 324#L21-1 main_~x~0#1 := main_~x~0#1 - 1; 316#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 317#L21 assume main_~y~0#1 < main_~x~0#1; 319#L22-2 [2023-02-16 04:30:58,759 INFO L750 eck$LassoCheckResult]: Loop: 319#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 319#L22-2 [2023-02-16 04:30:58,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:58,759 INFO L85 PathProgramCache]: Analyzing trace with hash 890036209, now seen corresponding path program 2 times [2023-02-16 04:30:58,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:58,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092223269] [2023-02-16 04:30:58,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:58,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:58,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:58,768 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 4 times [2023-02-16 04:30:58,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:58,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637838344] [2023-02-16 04:30:58,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:58,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:58,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:58,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1821318729, now seen corresponding path program 3 times [2023-02-16 04:30:58,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:58,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131740951] [2023-02-16 04:30:58,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:58,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:58,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:58,821 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:58,821 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:58,821 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:58,821 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:58,822 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:30:58,822 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,822 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:58,822 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:58,822 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration5_Lasso [2023-02-16 04:30:58,822 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:58,822 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:58,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:58,881 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:58,882 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:30:58,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,883 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) [2023-02-16 04:30:58,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:58,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:58,899 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 [2023-02-16 04:30:58,907 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:58,908 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:58,911 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 [2023-02-16 04:30:58,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,912 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) [2023-02-16 04:30:58,914 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 [2023-02-16 04:30:58,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:58,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:58,937 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:58,937 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:58,943 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 [2023-02-16 04:30:58,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,945 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) [2023-02-16 04:30:58,946 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 [2023-02-16 04:30:58,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:58,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:58,969 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:58,969 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:58,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-02-16 04:30:58,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,973 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) [2023-02-16 04:30:58,975 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 [2023-02-16 04:30:58,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:58,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:58,985 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:58,985 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:58,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-16 04:30:58,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:58,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:58,997 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) [2023-02-16 04:30:58,999 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 [2023-02-16 04:30:59,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:59,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:59,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-02-16 04:30:59,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:59,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:59,026 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) [2023-02-16 04:30:59,027 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 [2023-02-16 04:30:59,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:30:59,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:59,108 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:30:59,114 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 [2023-02-16 04:30:59,114 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:59,114 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:59,114 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:59,114 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:59,114 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:30:59,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:59,114 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:59,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:59,115 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration5_Lasso [2023-02-16 04:30:59,115 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:59,115 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:59,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:59,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:59,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:59,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:59,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:59,126 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:59,173 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:59,173 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:30:59,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:59,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:59,174 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) [2023-02-16 04:30:59,176 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 [2023-02-16 04:30:59,178 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 [2023-02-16 04:30:59,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:59,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:59,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:59,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:59,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:59,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:59,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:59,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:59,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-02-16 04:30:59,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:59,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:59,200 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) [2023-02-16 04:30:59,201 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 [2023-02-16 04:30:59,204 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 [2023-02-16 04:30:59,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:59,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:59,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:59,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:59,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:59,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:59,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:59,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:59,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-02-16 04:30:59,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:59,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:59,216 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) [2023-02-16 04:30:59,218 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 [2023-02-16 04:30:59,219 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 [2023-02-16 04:30:59,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:59,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:59,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:59,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:59,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:59,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:59,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:59,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:59,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-02-16 04:30:59,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:59,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:59,233 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) [2023-02-16 04:30:59,234 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 [2023-02-16 04:30:59,236 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 [2023-02-16 04:30:59,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:59,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:59,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:59,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:59,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:59,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:59,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:59,275 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 [2023-02-16 04:30:59,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:59,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:59,276 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) [2023-02-16 04:30:59,278 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 [2023-02-16 04:30:59,280 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 [2023-02-16 04:30:59,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:59,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:59,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:59,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:59,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:59,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:59,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:59,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-02-16 04:30:59,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:59,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:59,309 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) [2023-02-16 04:30:59,311 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 [2023-02-16 04:30:59,313 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 [2023-02-16 04:30:59,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:59,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:59,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:59,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:59,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:59,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:59,339 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:30:59,343 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-02-16 04:30:59,343 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-16 04:30:59,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:59,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:59,344 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) [2023-02-16 04:30:59,346 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 [2023-02-16 04:30:59,348 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:30:59,369 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:30:59,369 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:30:59,369 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2023-02-16 04:30:59,380 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 [2023-02-16 04:30:59,382 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:30:59,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:59,422 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 [2023-02-16 04:30:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:59,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:30:59,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:59,449 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:30:59,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:59,449 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-02-16 04:30:59,450 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-02-16 04:30:59,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 20 states and 24 transitions. Complement of second has 6 states. [2023-02-16 04:30:59,469 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 [2023-02-16 04:30:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-02-16 04:30:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2023-02-16 04:30:59,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 1 letters. [2023-02-16 04:30:59,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:59,470 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:30:59,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:59,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:30:59,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:59,504 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:30:59,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:59,505 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 1 loop predicates [2023-02-16 04:30:59,505 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-02-16 04:30:59,519 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 20 states and 24 transitions. Complement of second has 6 states. [2023-02-16 04:30:59,520 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 [2023-02-16 04:30:59,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-02-16 04:30:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2023-02-16 04:30:59,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 1 letters. [2023-02-16 04:30:59,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:59,520 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:30:59,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:59,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:30:59,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:59,553 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:30:59,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:59,553 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-02-16 04:30:59,553 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-02-16 04:30:59,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 15 states and 17 transitions. Complement of second has 5 states. [2023-02-16 04:30:59,572 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 [2023-02-16 04:30:59,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-02-16 04:30:59,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-02-16 04:30:59,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 1 letters. [2023-02-16 04:30:59,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:59,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 1 letters. [2023-02-16 04:30:59,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:59,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2023-02-16 04:30:59,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:59,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2023-02-16 04:30:59,574 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-16 04:30:59,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2023-02-16 04:30:59,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-16 04:30:59,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-16 04:30:59,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-16 04:30:59,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:30:59,574 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:30:59,574 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:30:59,574 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:30:59,574 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-02-16 04:30:59,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-16 04:30:59,574 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-16 04:30:59,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-16 04:30:59,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.02 04:30:59 BoogieIcfgContainer [2023-02-16 04:30:59,579 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-16 04:30:59,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:30:59,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:30:59,580 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:30:59,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:30:43" (3/4) ... [2023-02-16 04:30:59,582 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-16 04:30:59,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:30:59,583 INFO L158 Benchmark]: Toolchain (without parser) took 16151.64ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 93.2MB in the end (delta: 19.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-02-16 04:30:59,583 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:30:59,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 111.89ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 103.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:30:59,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.34ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:30:59,584 INFO L158 Benchmark]: Boogie Preprocessor took 10.49ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.9MB in the end (delta: 779.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:30:59,584 INFO L158 Benchmark]: RCFGBuilder took 160.12ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 91.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:30:59,584 INFO L158 Benchmark]: BuchiAutomizer took 15844.48ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 93.2MB in the end (delta: -1.3MB). Peak memory consumption was 762.0kB. Max. memory is 16.1GB. [2023-02-16 04:30:59,584 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 142.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:30:59,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 111.89ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 103.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.34ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 10.49ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.9MB in the end (delta: 779.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 160.12ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 91.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 15844.48ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 93.2MB in the end (delta: -1.3MB). Peak memory consumption was 762.0kB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 142.6MB. Free memory is still 93.2MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * x + 1 and consists of 5 locations. One deterministic module has affine ranking function x + -1 * y and consists of 4 locations. One nondeterministic module has affine ranking function x + -1 * y and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 15.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 42 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN2 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf92 smp100 dnf100 smp100 tf102 neg97 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 13.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-16 04:30:59,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-02-16 04:30:59,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE