./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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-wcet2.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 f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 03:06:30,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 03:06:30,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 03:06:30,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 03:06:30,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 03:06:30,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 03:06:30,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 03:06:30,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 03:06:30,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 03:06:30,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 03:06:30,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 03:06:30,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 03:06:30,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 03:06:30,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 03:06:30,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 03:06:30,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 03:06:30,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 03:06:30,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 03:06:30,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 03:06:30,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 03:06:30,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 03:06:30,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 03:06:30,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 03:06:30,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 03:06:30,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 03:06:30,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 03:06:30,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 03:06:30,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 03:06:30,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 03:06:30,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 03:06:30,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 03:06:30,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 03:06:30,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 03:06:30,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 03:06:30,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 03:06:30,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 03:06:30,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 03:06:30,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 03:06:30,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 03:06:30,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 03:06:30,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 03:06:30,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-14 03:06:30,941 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 03:06:30,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 03:06:30,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 03:06:30,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 03:06:30,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 03:06:30,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 03:06:30,943 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 03:06:30,943 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-14 03:06:30,943 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-14 03:06:30,943 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-14 03:06:30,944 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-14 03:06:30,944 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-14 03:06:30,944 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-14 03:06:30,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 03:06:30,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 03:06:30,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 03:06:30,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 03:06:30,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-14 03:06:30,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-14 03:06:30,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-14 03:06:30,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 03:06:30,945 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-14 03:06:30,945 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 03:06:30,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-14 03:06:30,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 03:06:30,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 03:06:30,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 03:06:30,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 03:06:30,946 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-14 03:06:30,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 [2023-02-14 03:06:31,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 03:06:31,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 03:06:31,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 03:06:31,173 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 03:06:31,173 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 03:06:31,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2023-02-14 03:06:32,069 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 03:06:32,212 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 03:06:32,212 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2023-02-14 03:06:32,216 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd788cea3/df03b5c9a7ab4377b810a68b3fc05848/FLAG71ae57f1d [2023-02-14 03:06:32,229 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd788cea3/df03b5c9a7ab4377b810a68b3fc05848 [2023-02-14 03:06:32,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 03:06:32,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 03:06:32,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 03:06:32,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 03:06:32,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 03:06:32,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221aebd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32, skipping insertion in model container [2023-02-14 03:06:32,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 03:06:32,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 03:06:32,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 03:06:32,360 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 03:06:32,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 03:06:32,378 INFO L208 MainTranslator]: Completed translation [2023-02-14 03:06:32,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32 WrapperNode [2023-02-14 03:06:32,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 03:06:32,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 03:06:32,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 03:06:32,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 03:06:32,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,398 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-14 03:06:32,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 03:06:32,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 03:06:32,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 03:06:32,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 03:06:32,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,410 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 03:06:32,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 03:06:32,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 03:06:32,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 03:06:32,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (1/1) ... [2023-02-14 03:06:32,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:32,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:32,437 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) [2023-02-14 03:06:32,440 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 [2023-02-14 03:06:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 03:06:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 03:06:32,513 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 03:06:32,514 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 03:06:32,575 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 03:06:32,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 03:06:32,579 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-14 03:06:32,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:06:32 BoogieIcfgContainer [2023-02-14 03:06:32,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 03:06:32,581 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-14 03:06:32,581 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-14 03:06:32,584 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-14 03:06:32,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-14 03:06:32,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.02 03:06:32" (1/3) ... [2023-02-14 03:06:32,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f5077d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.02 03:06:32, skipping insertion in model container [2023-02-14 03:06:32,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-14 03:06:32,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:06:32" (2/3) ... [2023-02-14 03:06:32,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f5077d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.02 03:06:32, skipping insertion in model container [2023-02-14 03:06:32,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-14 03:06:32,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:06:32" (3/3) ... [2023-02-14 03:06:32,586 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2023-02-14 03:06:32,622 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-14 03:06:32,622 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-14 03:06:32,623 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-14 03:06:32,623 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-14 03:06:32,623 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-14 03:06:32,623 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-14 03:06:32,623 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-14 03:06:32,623 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-14 03:06:32,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:32,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-14 03:06:32,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:06:32,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:06:32,639 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-14 03:06:32,639 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-14 03:06:32,639 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-14 03:06:32,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:32,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-14 03:06:32,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:06:32,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:06:32,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-14 03:06:32,640 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-14 03:06:32,645 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L17-2true [2023-02-14 03:06:32,645 INFO L750 eck$LassoCheckResult]: Loop: 4#L17-2true assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 2#L19-2true assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 9#L19-3true main_~i~0#1 := 1 + main_~i~0#1; 4#L17-2true [2023-02-14 03:06:32,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:32,649 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-02-14 03:06:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:32,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085010458] [2023-02-14 03:06:32,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:32,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:32,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:32,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:32,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:32,711 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2023-02-14 03:06:32,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:32,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199376468] [2023-02-14 03:06:32,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:32,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:32,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:32,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:32,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:32,726 INFO L85 PathProgramCache]: Analyzing trace with hash 28699886, now seen corresponding path program 1 times [2023-02-14 03:06:32,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:32,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008504793] [2023-02-14 03:06:32,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:32,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:32,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:32,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:32,801 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:32,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:32,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:32,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:32,802 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-14 03:06:32,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:32,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:32,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:32,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration1_Loop [2023-02-14 03:06:32,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:32,802 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:32,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:32,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:32,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:32,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:32,882 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:32,882 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-14 03:06:32,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:32,886 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) [2023-02-14 03:06:32,889 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 [2023-02-14 03:06:32,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:32,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:32,920 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-14 03:06:32,920 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: [] [2023-02-14 03:06:32,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-02-14 03:06:32,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:32,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:32,926 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) [2023-02-14 03:06:32,928 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 [2023-02-14 03:06:32,929 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:32,929 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:32,949 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-14 03:06:32,949 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: [] [2023-02-14 03:06:32,954 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 [2023-02-14 03:06:32,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:32,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:32,955 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) [2023-02-14 03:06:32,963 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 [2023-02-14 03:06:32,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:32,970 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:32,983 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 [2023-02-14 03:06:32,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:32,984 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) [2023-02-14 03:06:32,985 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 [2023-02-14 03:06:32,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-14 03:06:32,988 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:33,005 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-14 03:06:33,008 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 [2023-02-14 03:06:33,008 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:33,008 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:33,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:33,008 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:33,008 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-14 03:06:33,008 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,008 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:33,009 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:33,009 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration1_Loop [2023-02-14 03:06:33,009 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:33,009 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:33,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,093 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:33,096 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-14 03:06:33,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,098 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) [2023-02-14 03:06:33,099 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 [2023-02-14 03:06:33,101 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 [2023-02-14 03:06:33,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:33,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:33,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:33,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:33,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-14 03:06:33,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-14 03:06:33,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:06:33,129 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 [2023-02-14 03:06:33,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,131 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) [2023-02-14 03:06:33,133 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 [2023-02-14 03:06:33,134 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 [2023-02-14 03:06:33,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:33,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:33,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:33,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:33,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-14 03:06:33,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-14 03:06:33,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:06:33,155 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 [2023-02-14 03:06:33,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,157 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) [2023-02-14 03:06:33,159 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 [2023-02-14 03:06:33,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-14 03:06:33,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:33,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:06:33,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:33,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:33,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:33,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-14 03:06:33,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:06:33,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:06:33,187 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 [2023-02-14 03:06:33,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,188 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) [2023-02-14 03:06:33,190 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 [2023-02-14 03:06:33,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-14 03:06:33,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:33,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:06:33,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:33,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:33,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:33,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-14 03:06:33,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:06:33,216 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-14 03:06:33,219 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-14 03:06:33,220 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-14 03:06:33,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,267 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) [2023-02-14 03:06:33,267 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 [2023-02-14 03:06:33,271 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-14 03:06:33,271 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-14 03:06:33,271 INFO L513 LassoAnalysis]: Proved termination. [2023-02-14 03:06:33,271 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 5 Supporting invariants [] [2023-02-14 03:06:33,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-14 03:06:33,277 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-14 03:06:33,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:33,303 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:06:33,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:33,315 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 03:06:33,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:33,358 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 [2023-02-14 03:06:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:33,399 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-02-14 03:06:33,400 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:33,460 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 49 transitions. Complement of second has 9 states. [2023-02-14 03:06:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-02-14 03:06:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2023-02-14 03:06:33,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 3 letters. [2023-02-14 03:06:33,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:33,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 5 letters. Loop has 3 letters. [2023-02-14 03:06:33,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:33,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 6 letters. [2023-02-14 03:06:33,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:33,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 49 transitions. [2023-02-14 03:06:33,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-14 03:06:33,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 14 states and 19 transitions. [2023-02-14 03:06:33,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-14 03:06:33,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-14 03:06:33,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2023-02-14 03:06:33,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-14 03:06:33,473 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-02-14 03:06:33,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2023-02-14 03:06:33,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-02-14 03:06:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-02-14 03:06:33,488 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-02-14 03:06:33,488 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-02-14 03:06:33,489 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-14 03:06:33,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-02-14 03:06:33,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-14 03:06:33,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:06:33,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:06:33,490 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-14 03:06:33,490 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-02-14 03:06:33,491 INFO L748 eck$LassoCheckResult]: Stem: 93#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 94#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 95#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 86#L19-2 [2023-02-14 03:06:33,491 INFO L750 eck$LassoCheckResult]: Loop: 86#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 87#L19-2 assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 96#L19-3 main_~i~0#1 := 1 + main_~i~0#1; 91#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 86#L19-2 [2023-02-14 03:06:33,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:33,497 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-02-14 03:06:33,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:33,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745885756] [2023-02-14 03:06:33,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:33,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:33,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:33,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:33,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:33,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1537394, now seen corresponding path program 1 times [2023-02-14 03:06:33,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:33,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281573898] [2023-02-14 03:06:33,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:33,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:33,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:33,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:33,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:33,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1810841241, now seen corresponding path program 1 times [2023-02-14 03:06:33,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:33,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329251855] [2023-02-14 03:06:33,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:33,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:33,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 03:06:33,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329251855] [2023-02-14 03:06:33,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329251855] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 03:06:33,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157718340] [2023-02-14 03:06:33,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:33,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 03:06:33,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,570 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 03:06:33,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-14 03:06:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:33,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 03:06:33,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:33,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 03:06:33,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:33,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157718340] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 03:06:33,643 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 03:06:33,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-02-14 03:06:33,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428487073] [2023-02-14 03:06:33,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 03:06:33,681 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:33,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:33,682 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:33,682 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:33,682 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-14 03:06:33,682 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,682 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:33,682 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:33,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration2_Loop [2023-02-14 03:06:33,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:33,683 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:33,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,693 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,699 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,732 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:33,732 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-14 03:06:33,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,734 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) [2023-02-14 03:06:33,736 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 [2023-02-14 03:06:33,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:33,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:33,759 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-14 03:06:33,759 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: [] [2023-02-14 03:06:33,761 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 [2023-02-14 03:06:33,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,763 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) [2023-02-14 03:06:33,763 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 [2023-02-14 03:06:33,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:33,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:33,776 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 [2023-02-14 03:06:33,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,778 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) [2023-02-14 03:06:33,779 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 [2023-02-14 03:06:33,781 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-14 03:06:33,781 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:33,797 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-14 03:06:33,802 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 [2023-02-14 03:06:33,804 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:33,805 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:33,805 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:33,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:33,805 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-14 03:06:33,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:33,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:33,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration2_Loop [2023-02-14 03:06:33,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:33,805 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:33,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:33,869 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:33,869 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-14 03:06:33,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,870 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) [2023-02-14 03:06:33,873 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 [2023-02-14 03:06:33,874 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 [2023-02-14 03:06:33,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:33,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:06:33,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:33,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:33,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:33,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-14 03:06:33,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:06:33,887 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-14 03:06:33,890 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-14 03:06:33,890 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-14 03:06:33,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:33,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:33,892 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) [2023-02-14 03:06:33,894 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 [2023-02-14 03:06:33,895 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-14 03:06:33,895 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-14 03:06:33,895 INFO L513 LassoAnalysis]: Proved termination. [2023-02-14 03:06:33,895 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-02-14 03:06:33,900 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 [2023-02-14 03:06:33,900 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-14 03:06:33,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:33,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:06:33,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:33,925 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 03:06:33,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:33,947 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-02-14 03:06:33,947 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:33,974 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 9 states. [2023-02-14 03:06:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-02-14 03:06:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:33,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2023-02-14 03:06:33,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2023-02-14 03:06:33,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:33,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2023-02-14 03:06:33,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:33,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2023-02-14 03:06:33,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:33,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-02-14 03:06:33,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-14 03:06:33,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 26 states and 36 transitions. [2023-02-14 03:06:33,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-02-14 03:06:33,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-02-14 03:06:33,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2023-02-14 03:06:33,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-14 03:06:33,978 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 36 transitions. [2023-02-14 03:06:33,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2023-02-14 03:06:33,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2023-02-14 03:06:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2023-02-14 03:06:33,980 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2023-02-14 03:06:33,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 03:06:33,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 03:06:33,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-14 03:06:33,982 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 03:06:34,015 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2023-02-14 03:06:34,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2023-02-14 03:06:34,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-02-14 03:06:34,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2023-02-14 03:06:34,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-02-14 03:06:34,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-02-14 03:06:34,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2023-02-14 03:06:34,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-14 03:06:34,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2023-02-14 03:06:34,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2023-02-14 03:06:34,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2023-02-14 03:06:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2023-02-14 03:06:34,021 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-02-14 03:06:34,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 03:06:34,023 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-02-14 03:06:34,023 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-14 03:06:34,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2023-02-14 03:06:34,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-02-14 03:06:34,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:06:34,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:06:34,025 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-14 03:06:34,025 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 1, 1, 1] [2023-02-14 03:06:34,026 INFO L748 eck$LassoCheckResult]: Stem: 277#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 278#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 279#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 270#L19-2 [2023-02-14 03:06:34,026 INFO L750 eck$LassoCheckResult]: Loop: 270#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 271#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 285#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 284#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 283#L19-2 assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 280#L19-3 main_~i~0#1 := 1 + main_~i~0#1; 274#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 270#L19-2 [2023-02-14 03:06:34,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,027 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2023-02-14 03:06:34,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:34,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199960322] [2023-02-14 03:06:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:34,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1390285212, now seen corresponding path program 2 times [2023-02-14 03:06:34,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:34,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053028235] [2023-02-14 03:06:34,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:34,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:34,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2036023261, now seen corresponding path program 2 times [2023-02-14 03:06:34,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:34,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742625319] [2023-02-14 03:06:34,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:34,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:34,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 03:06:34,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742625319] [2023-02-14 03:06:34,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742625319] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 03:06:34,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589556448] [2023-02-14 03:06:34,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 03:06:34,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 03:06:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,137 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 03:06:34,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-02-14 03:06:34,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 03:06:34,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 03:06:34,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-14 03:06:34,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:34,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 03:06:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:34,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589556448] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 03:06:34,255 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 03:06:34,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2023-02-14 03:06:34,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615659793] [2023-02-14 03:06:34,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 03:06:34,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-14 03:06:34,321 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:34,321 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:34,321 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:34,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:34,321 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-14 03:06:34,322 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,322 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:34,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:34,322 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration3_Loop [2023-02-14 03:06:34,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:34,322 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:34,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,332 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,370 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:34,371 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-14 03:06:34,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,372 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) [2023-02-14 03:06:34,379 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 [2023-02-14 03:06:34,379 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:34,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:34,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-02-14 03:06:34,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,403 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) [2023-02-14 03:06:34,406 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 [2023-02-14 03:06:34,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-14 03:06:34,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:34,428 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-14 03:06:34,433 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 [2023-02-14 03:06:34,434 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:34,434 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:34,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:34,434 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:34,434 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-14 03:06:34,434 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,434 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:34,434 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:34,434 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration3_Loop [2023-02-14 03:06:34,434 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:34,434 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:34,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,446 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,479 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:34,479 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-14 03:06:34,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,480 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-14 03:06:34,487 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 [2023-02-14 03:06:34,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-14 03:06:34,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:34,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:06:34,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:34,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:34,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:34,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-14 03:06:34,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:06:34,496 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-14 03:06:34,501 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-14 03:06:34,501 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-14 03:06:34,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,503 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) [2023-02-14 03:06:34,504 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 [2023-02-14 03:06:34,505 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-14 03:06:34,505 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-14 03:06:34,505 INFO L513 LassoAnalysis]: Proved termination. [2023-02-14 03:06:34,505 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 7 Supporting invariants [] [2023-02-14 03:06:34,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-14 03:06:34,511 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-14 03:06:34,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:34,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:06:34,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:34,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 03:06:34,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-14 03:06:34,548 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 [2023-02-14 03:06:34,548 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,561 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 42 transitions. Complement of second has 6 states. [2023-02-14 03:06:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-14 03:06:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-02-14 03:06:34,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 7 letters. [2023-02-14 03:06:34,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:34,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 10 letters. Loop has 7 letters. [2023-02-14 03:06:34,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:34,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 14 letters. [2023-02-14 03:06:34,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:34,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2023-02-14 03:06:34,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-14 03:06:34,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 31 transitions. [2023-02-14 03:06:34,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-14 03:06:34,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-14 03:06:34,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2023-02-14 03:06:34,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-14 03:06:34,565 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 31 transitions. [2023-02-14 03:06:34,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2023-02-14 03:06:34,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2023-02-14 03:06:34,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2023-02-14 03:06:34,566 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2023-02-14 03:06:34,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 03:06:34,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 03:06:34,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2023-02-14 03:06:34,567 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. Second operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 03:06:34,592 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2023-02-14 03:06:34,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 49 transitions. [2023-02-14 03:06:34,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-14 03:06:34,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 49 transitions. [2023-02-14 03:06:34,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-02-14 03:06:34,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-02-14 03:06:34,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 49 transitions. [2023-02-14 03:06:34,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-14 03:06:34,593 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 49 transitions. [2023-02-14 03:06:34,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 49 transitions. [2023-02-14 03:06:34,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2023-02-14 03:06:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2023-02-14 03:06:34,595 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 40 transitions. [2023-02-14 03:06:34,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-14 03:06:34,596 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2023-02-14 03:06:34,596 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-14 03:06:34,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2023-02-14 03:06:34,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-14 03:06:34,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:06:34,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:06:34,597 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-14 03:06:34,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-14 03:06:34,597 INFO L748 eck$LassoCheckResult]: Stem: 511#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 507#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 509#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 504#L19-2 [2023-02-14 03:06:34,597 INFO L750 eck$LassoCheckResult]: Loop: 504#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 504#L19-2 [2023-02-14 03:06:34,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,598 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2023-02-14 03:06:34,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:34,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079729768] [2023-02-14 03:06:34,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:34,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:34,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,606 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2023-02-14 03:06:34,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:34,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593173310] [2023-02-14 03:06:34,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:34,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:34,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,614 INFO L85 PathProgramCache]: Analyzing trace with hash 28699944, now seen corresponding path program 2 times [2023-02-14 03:06:34,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:34,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144062344] [2023-02-14 03:06:34,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:34,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:34,633 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:34,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:34,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:34,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:34,633 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-14 03:06:34,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:34,633 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:34,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration4_Loop [2023-02-14 03:06:34,633 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:34,633 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:34,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,663 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:34,663 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-14 03:06:34,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,673 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) [2023-02-14 03:06:34,675 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 [2023-02-14 03:06:34,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:34,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:34,697 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-14 03:06:34,698 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-14 03:06:34,703 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 [2023-02-14 03:06:34,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,704 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) [2023-02-14 03:06:34,706 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 [2023-02-14 03:06:34,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:34,707 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:34,728 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-14 03:06:34,728 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-14 03:06:34,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-14 03:06:34,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,735 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) [2023-02-14 03:06:34,737 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 [2023-02-14 03:06:34,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:34,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:34,750 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 [2023-02-14 03:06:34,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,751 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) [2023-02-14 03:06:34,751 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 [2023-02-14 03:06:34,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-14 03:06:34,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:34,768 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-14 03:06:34,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-14 03:06:34,773 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:34,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:34,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:34,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:34,774 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-14 03:06:34,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:34,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:34,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration4_Loop [2023-02-14 03:06:34,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:34,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:34,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,788 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:34,815 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:34,815 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-14 03:06:34,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,817 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) [2023-02-14 03:06:34,819 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 [2023-02-14 03:06:34,820 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 [2023-02-14 03:06:34,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:34,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:34,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:34,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:34,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-14 03:06:34,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-14 03:06:34,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:06:34,852 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 [2023-02-14 03:06:34,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,854 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) [2023-02-14 03:06:34,856 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 [2023-02-14 03:06:34,857 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 [2023-02-14 03:06:34,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:34,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:34,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:34,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:34,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-14 03:06:34,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-14 03:06:34,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:06:34,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-14 03:06:34,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,898 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) [2023-02-14 03:06:34,902 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 [2023-02-14 03:06:34,905 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 [2023-02-14 03:06:34,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:34,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:06:34,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:34,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:34,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:34,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-14 03:06:34,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:06:34,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-14 03:06:34,926 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-14 03:06:34,926 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-14 03:06:34,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:34,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:34,929 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) [2023-02-14 03:06:34,931 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 [2023-02-14 03:06:34,932 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-14 03:06:34,932 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-14 03:06:34,932 INFO L513 LassoAnalysis]: Proved termination. [2023-02-14 03:06:34,932 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 19 Supporting invariants [] [2023-02-14 03:06:34,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-14 03:06:34,942 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-14 03:06:34,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:34,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:06:34,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:34,961 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 03:06:34,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:34,962 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-14 03:06:34,962 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 10 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,968 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 10. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 79 transitions. Complement of second has 5 states. [2023-02-14 03:06:34,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-14 03:06:34,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-02-14 03:06:34,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-14 03:06:34,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:34,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-14 03:06:34,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:34,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-14 03:06:34,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:34,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 79 transitions. [2023-02-14 03:06:34,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-14 03:06:34,971 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 61 states and 72 transitions. [2023-02-14 03:06:34,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-14 03:06:34,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-02-14 03:06:34,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 72 transitions. [2023-02-14 03:06:34,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-14 03:06:34,971 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 72 transitions. [2023-02-14 03:06:34,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 72 transitions. [2023-02-14 03:06:34,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 37. [2023-02-14 03:06:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 36 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2023-02-14 03:06:34,973 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2023-02-14 03:06:34,973 INFO L428 stractBuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2023-02-14 03:06:34,973 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-14 03:06:34,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 46 transitions. [2023-02-14 03:06:34,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-14 03:06:34,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:06:34,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:06:34,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 2, 1, 1, 1, 1] [2023-02-14 03:06:34,974 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-14 03:06:34,974 INFO L748 eck$LassoCheckResult]: Stem: 645#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 646#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 641#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 638#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 639#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 640#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 673#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 671#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 669#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 667#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 665#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 663#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 661#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 659#L19-2 assume !(main_~i~0#1 > 2 && main_~j~0#1 <= 9); 647#L19-3 main_~i~0#1 := 1 + main_~i~0#1; 648#L17-2 assume !!(main_~i~0#1 < 5);main_~j~0#1 := 0; 649#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 650#L19-2 [2023-02-14 03:06:34,974 INFO L750 eck$LassoCheckResult]: Loop: 650#L19-2 assume !!(main_~i~0#1 > 2 && main_~j~0#1 <= 9);main_~j~0#1 := 1 + main_~j~0#1; 650#L19-2 [2023-02-14 03:06:34,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,974 INFO L85 PathProgramCache]: Analyzing trace with hash -178305705, now seen corresponding path program 3 times [2023-02-14 03:06:34,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:34,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143819877] [2023-02-14 03:06:34,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:34,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:34,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:34,996 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 2 times [2023-02-14 03:06:34,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:34,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112809714] [2023-02-14 03:06:34,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:34,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:34,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:35,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:35,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:35,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1232509539, now seen corresponding path program 4 times [2023-02-14 03:06:35,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:06:35,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998288247] [2023-02-14 03:06:35,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:06:35,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:06:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:35,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:06:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:06:35,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:06:35,040 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:35,040 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:35,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:35,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:35,041 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-14 03:06:35,041 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:35,041 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:35,041 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:35,041 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration5_Loop [2023-02-14 03:06:35,041 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:35,041 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:35,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:35,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:35,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:35,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:35,068 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:35,068 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-14 03:06:35,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:35,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:35,070 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) [2023-02-14 03:06:35,072 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 [2023-02-14 03:06:35,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:06:35,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:35,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-02-14 03:06:35,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:35,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:35,098 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) [2023-02-14 03:06:35,100 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 [2023-02-14 03:06:35,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-14 03:06:35,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:06:35,123 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-14 03:06:35,125 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 [2023-02-14 03:06:35,125 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:06:35,126 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:06:35,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:06:35,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:06:35,126 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-14 03:06:35,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:35,126 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:06:35,126 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:06:35,126 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-wcet2.c_Iteration5_Loop [2023-02-14 03:06:35,126 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:06:35,126 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:06:35,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:35,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:35,132 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:35,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:06:35,154 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:06:35,154 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-14 03:06:35,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:35,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:35,156 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) [2023-02-14 03:06:35,158 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 [2023-02-14 03:06:35,159 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 [2023-02-14 03:06:35,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:06:35,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:06:35,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:06:35,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:06:35,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:06:35,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-14 03:06:35,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:06:35,180 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-14 03:06:35,183 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-14 03:06:35,183 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-14 03:06:35,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:06:35,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:06:35,191 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) [2023-02-14 03:06:35,192 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 [2023-02-14 03:06:35,192 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-14 03:06:35,192 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-14 03:06:35,193 INFO L513 LassoAnalysis]: Proved termination. [2023-02-14 03:06:35,193 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 19 Supporting invariants [] [2023-02-14 03:06:35,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-02-14 03:06:35,196 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-14 03:06:35,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:35,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:06:35,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:35,233 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 03:06:35,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:35,234 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-14 03:06:35,234 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:35,242 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 76 transitions. Complement of second has 5 states. [2023-02-14 03:06:35,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-14 03:06:35,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-02-14 03:06:35,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 17 letters. Loop has 1 letters. [2023-02-14 03:06:35,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:35,243 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-14 03:06:35,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:35,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:06:35,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:35,276 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 03:06:35,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:35,277 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-14 03:06:35,277 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:35,284 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 76 transitions. Complement of second has 5 states. [2023-02-14 03:06:35,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-14 03:06:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-02-14 03:06:35,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 17 letters. Loop has 1 letters. [2023-02-14 03:06:35,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:35,285 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-14 03:06:35,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:06:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:35,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:06:35,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:06:35,326 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 03:06:35,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:06:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:06:35,327 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-14 03:06:35,327 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:35,337 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 51 transitions. Complement of second has 4 states. [2023-02-14 03:06:35,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-14 03:06:35,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:06:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2023-02-14 03:06:35,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 17 letters. Loop has 1 letters. [2023-02-14 03:06:35,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:35,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 18 letters. Loop has 1 letters. [2023-02-14 03:06:35,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:35,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 17 letters. Loop has 2 letters. [2023-02-14 03:06:35,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:06:35,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 51 transitions. [2023-02-14 03:06:35,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-14 03:06:35,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 0 states and 0 transitions. [2023-02-14 03:06:35,345 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-14 03:06:35,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-14 03:06:35,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-14 03:06:35,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-14 03:06:35,346 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 03:06:35,346 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 03:06:35,346 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 03:06:35,346 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-02-14 03:06:35,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-14 03:06:35,346 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-14 03:06:35,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-14 03:06:35,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.02 03:06:35 BoogieIcfgContainer [2023-02-14 03:06:35,354 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-14 03:06:35,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 03:06:35,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 03:06:35,355 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 03:06:35,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:06:32" (3/4) ... [2023-02-14 03:06:35,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-14 03:06:35,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 03:06:35,358 INFO L158 Benchmark]: Toolchain (without parser) took 3126.45ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 50.0MB in the end (delta: 75.3MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2023-02-14 03:06:35,358 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:06:35,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.14ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 116.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 03:06:35,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.40ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 114.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 03:06:35,359 INFO L158 Benchmark]: Boogie Preprocessor took 12.74ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 113.9MB in the end (delta: 828.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:06:35,359 INFO L158 Benchmark]: RCFGBuilder took 167.87ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 105.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 03:06:35,360 INFO L158 Benchmark]: BuchiAutomizer took 2773.00ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 51.0MB in the end (delta: 54.5MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-02-14 03:06:35,360 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 165.7MB. Free memory was 51.0MB in the beginning and 50.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:06:35,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 146.14ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 116.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.40ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 114.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.74ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 113.9MB in the end (delta: 828.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 167.87ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 105.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2773.00ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 51.0MB in the end (delta: 54.5MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 165.7MB. Free memory was 51.0MB in the beginning and 50.0MB in the end (delta: 1.0MB). 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 7 terminating modules (2 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * i + 5 and consists of 6 locations. One deterministic module has affine ranking function j and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 7 and consists of 4 locations. One deterministic module has affine ranking function -2 * j + 19 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * j + 19 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 6 iterations. TraceHistogramMax:11. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 44 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 10/11 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 55 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax174 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp93 dnf100 smp100 tf113 neg96 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-14 03:06:35,386 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 [2023-02-14 03:06:35,386 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 [2023-02-14 03:06:35,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-14 03:06:35,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-02-14 03:06:35,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-02-14 03:06:36,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE