./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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-memory-alloca/b.14-alloca.i -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 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 03:19:24,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:19:24,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:19:24,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:19:24,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:19:24,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:19:24,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:19:24,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:19:24,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:19:24,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:19:24,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:19:24,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:19:24,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:19:24,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:19:24,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:19:24,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:19:24,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:19:24,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:19:24,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:19:24,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:19:24,603 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:19:24,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:19:24,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:19:24,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:19:24,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:19:24,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:19:24,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:19:24,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:19:24,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:19:24,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:19:24,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:19:24,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:19:24,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:19:24,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:19:24,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:19:24,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:19:24,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:19:24,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:19:24,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:19:24,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:19:24,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:19:24,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:19:24,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-13 03:19:24,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:19:24,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:19:24,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:19:24,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:19:24,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:19:24,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:19:24,653 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:19:24,653 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:19:24,653 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:19:24,654 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:19:24,654 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:19:24,655 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:19:24,655 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:19:24,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:19:24,655 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:19:24,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:19:24,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:19:24,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:19:24,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:19:24,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:19:24,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:19:24,656 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:19:24,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:19:24,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:19:24,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:19:24,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:19:24,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:19:24,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:19:24,658 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:19:24,659 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a [2022-07-13 03:19:24,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:19:24,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:19:24,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:19:24,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:19:24,897 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:19:24,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2022-07-13 03:19:24,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88352eb27/3f409d119fe648389c72902d817e6c19/FLAG28482ac1f [2022-07-13 03:19:25,349 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:19:25,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2022-07-13 03:19:25,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88352eb27/3f409d119fe648389c72902d817e6c19/FLAG28482ac1f [2022-07-13 03:19:25,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88352eb27/3f409d119fe648389c72902d817e6c19 [2022-07-13 03:19:25,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:19:25,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:19:25,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:19:25,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:19:25,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:19:25,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:19:25" (1/1) ... [2022-07-13 03:19:25,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dce7ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:25, skipping insertion in model container [2022-07-13 03:19:25,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:19:25" (1/1) ... [2022-07-13 03:19:25,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:19:25,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:19:25,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:19:25,997 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:19:26,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:19:26,058 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:19:26,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26 WrapperNode [2022-07-13 03:19:26,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:19:26,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:19:26,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:19:26,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:19:26,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,113 INFO L137 Inliner]: procedures = 111, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2022-07-13 03:19:26,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:19:26,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:19:26,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:19:26,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:19:26,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:19:26,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:19:26,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:19:26,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:19:26,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (1/1) ... [2022-07-13 03:19:26,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:26,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:26,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:26,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 03:19:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 03:19:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 03:19:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 03:19:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 03:19:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:19:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:19:26,312 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:19:26,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:19:26,503 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:19:26,508 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:19:26,508 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 03:19:26,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:19:26 BoogieIcfgContainer [2022-07-13 03:19:26,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:19:26,511 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:19:26,511 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:19:26,514 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:19:26,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:19:26,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:19:25" (1/3) ... [2022-07-13 03:19:26,516 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dd393cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:19:26, skipping insertion in model container [2022-07-13 03:19:26,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:19:26,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:19:26" (2/3) ... [2022-07-13 03:19:26,516 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dd393cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:19:26, skipping insertion in model container [2022-07-13 03:19:26,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:19:26,517 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:19:26" (3/3) ... [2022-07-13 03:19:26,518 INFO L354 chiAutomizerObserver]: Analyzing ICFG b.14-alloca.i [2022-07-13 03:19:26,572 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:19:26,572 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:19:26,572 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:19:26,572 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:19:26,573 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:19:26,573 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:19:26,573 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:19:26,573 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:19:26,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:26,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:19:26,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:26,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:26,603 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 03:19:26,603 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:19:26,603 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 03:19:26,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:26,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:19:26,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:26,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:26,605 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 03:19:26,605 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:19:26,610 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 2#L556-4true [2022-07-13 03:19:26,610 INFO L754 eck$LassoCheckResult]: Loop: 2#L556-4true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 12#L555-1true assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 6#L555-3true assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 7#L556-3true assume !true; 2#L556-4true [2022-07-13 03:19:26,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:26,615 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-13 03:19:26,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:26,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275084499] [2022-07-13 03:19:26,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:26,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:26,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:26,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:26,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:26,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1142256, now seen corresponding path program 1 times [2022-07-13 03:19:26,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:26,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59104888] [2022-07-13 03:19:26,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:26,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:26,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:19:26,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59104888] [2022-07-13 03:19:26,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59104888] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 03:19:26,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 03:19:26,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-13 03:19:26,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760134130] [2022-07-13 03:19:26,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 03:19:26,926 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 03:19:26,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:19:26,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 03:19:26,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 03:19:26,957 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:26,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:19:26,962 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-07-13 03:19:26,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 03:19:26,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2022-07-13 03:19:26,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:19:26,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 9 transitions. [2022-07-13 03:19:26,970 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-07-13 03:19:26,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-07-13 03:19:26,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2022-07-13 03:19:26,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:19:26,971 INFO L369 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-07-13 03:19:26,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2022-07-13 03:19:26,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-13 03:19:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:26,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-07-13 03:19:26,987 INFO L392 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-07-13 03:19:26,987 INFO L374 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-07-13 03:19:26,987 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 03:19:26,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2022-07-13 03:19:26,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:19:26,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:26,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:26,988 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 03:19:26,989 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-13 03:19:26,989 INFO L752 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 35#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 32#L556-4 [2022-07-13 03:19:26,989 INFO L754 eck$LassoCheckResult]: Loop: 32#L556-4 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 33#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 36#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 37#L556-3 call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 38#L556-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 32#L556-4 [2022-07-13 03:19:26,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:26,990 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-07-13 03:19:26,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:26,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201238290] [2022-07-13 03:19:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:26,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:27,017 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:27,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:27,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:27,044 INFO L85 PathProgramCache]: Analyzing trace with hash 35409745, now seen corresponding path program 1 times [2022-07-13 03:19:27,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:27,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828192684] [2022-07-13 03:19:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:27,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:27,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:19:27,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828192684] [2022-07-13 03:19:27,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828192684] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 03:19:27,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 03:19:27,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 03:19:27,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687909943] [2022-07-13 03:19:27,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 03:19:27,158 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 03:19:27,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:19:27,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 03:19:27,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 03:19:27,161 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:27,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:19:27,241 INFO L93 Difference]: Finished difference Result 9 states and 11 transitions. [2022-07-13 03:19:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 03:19:27,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2022-07-13 03:19:27,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-13 03:19:27,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 11 transitions. [2022-07-13 03:19:27,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-13 03:19:27,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-13 03:19:27,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-07-13 03:19:27,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:19:27,245 INFO L369 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-07-13 03:19:27,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-07-13 03:19:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-07-13 03:19:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2022-07-13 03:19:27,247 INFO L392 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-07-13 03:19:27,248 INFO L374 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-07-13 03:19:27,248 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 03:19:27,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2022-07-13 03:19:27,249 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-13 03:19:27,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:27,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:27,250 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 03:19:27,250 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2022-07-13 03:19:27,250 INFO L752 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 66#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 63#L556-4 [2022-07-13 03:19:27,250 INFO L754 eck$LassoCheckResult]: Loop: 63#L556-4 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 64#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 67#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 68#L556-3 call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 69#L556-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 70#L556-3 call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 71#L556-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 63#L556-4 [2022-07-13 03:19:27,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:27,251 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2022-07-13 03:19:27,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:27,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005659294] [2022-07-13 03:19:27,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:27,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:27,279 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:27,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:27,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:27,304 INFO L85 PathProgramCache]: Analyzing trace with hash -330970762, now seen corresponding path program 1 times [2022-07-13 03:19:27,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:27,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780013537] [2022-07-13 03:19:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:27,374 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:27,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:27,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:27,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1215326068, now seen corresponding path program 1 times [2022-07-13 03:19:27,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:27,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434596114] [2022-07-13 03:19:27,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:27,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:27,471 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:27,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:28,493 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:19:28,494 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:19:28,494 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:19:28,494 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:19:28,495 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:19:28,495 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:28,495 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:19:28,495 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:19:28,495 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.14-alloca.i_Iteration3_Lasso [2022-07-13 03:19:28,495 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:19:28,496 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:19:28,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:28,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:28,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:28,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:28,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:28,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:28,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:28,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:29,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:19:29,457 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:19:29,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:29,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:29,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:29,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-13 03:19:29,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:29,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-13 03:19:29,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:29,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:29,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:29,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-13 03:19:29,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,573 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-13 03:19:29,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:29,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:29,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:29,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-13 03:19:29,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-13 03:19:29,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:29,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:29,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:29,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:29,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,678 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-13 03:19:29,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:29,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:29,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:29,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,744 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-13 03:19:29,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:29,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:29,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:29,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-13 03:19:29,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,772 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-13 03:19:29,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:29,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:29,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:29,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:29,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,804 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-13 03:19:29,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:29,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:29,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,853 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 [2022-07-13 03:19:29,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,855 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-13 03:19:29,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:29,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:29,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:29,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,892 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-13 03:19:29,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:29,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:29,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-13 03:19:29,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,929 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-13 03:19:29,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:29,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:29,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:29,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:29,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:29,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:29,971 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:29,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-13 03:19:29,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:29,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:29,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:29,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:29,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:29,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:29,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:30,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:30,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:30,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:30,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:30,045 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:30,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-13 03:19:30,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:30,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:30,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:30,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:30,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:30,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:30,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:30,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:30,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:30,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:30,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:30,107 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:30,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-13 03:19:30,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:30,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:30,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:30,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:30,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:30,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:30,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:30,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:19:30,210 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-07-13 03:19:30,210 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-07-13 03:19:30,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:30,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:30,264 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:30,274 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:19:30,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-13 03:19:30,293 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:19:30,293 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:19:30,294 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 Supporting invariants [] [2022-07-13 03:19:30,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:30,393 INFO L293 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2022-07-13 03:19:30,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:30,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:19:30,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:30,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 03:19:30,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:30,529 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-13 03:19:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:30,566 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-07-13 03:19:30,567 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:30,668 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 10 states. [2022-07-13 03:19:30,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-07-13 03:19:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2022-07-13 03:19:30,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 7 letters. [2022-07-13 03:19:30,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:30,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 9 letters. Loop has 7 letters. [2022-07-13 03:19:30,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:30,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 14 letters. [2022-07-13 03:19:30,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:30,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2022-07-13 03:19:30,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:19:30,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2022-07-13 03:19:30,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-07-13 03:19:30,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-13 03:19:30,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-07-13 03:19:30,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 03:19:30,683 INFO L369 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-07-13 03:19:30,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-07-13 03:19:30,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2022-07-13 03:19:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2022-07-13 03:19:30,686 INFO L392 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-07-13 03:19:30,686 INFO L374 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-07-13 03:19:30,686 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-13 03:19:30,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2022-07-13 03:19:30,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:19:30,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:30,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:30,687 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 03:19:30,687 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:19:30,688 INFO L752 eck$LassoCheckResult]: Stem: 249#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 250#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 245#L556-4 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 247#L555-1 assume !test_fun_#t~short8#1; 251#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 252#L556-3 [2022-07-13 03:19:30,688 INFO L754 eck$LassoCheckResult]: Loop: 252#L556-3 call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 255#L556-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 252#L556-3 [2022-07-13 03:19:30,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:30,688 INFO L85 PathProgramCache]: Analyzing trace with hash 28695850, now seen corresponding path program 1 times [2022-07-13 03:19:30,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:30,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291127075] [2022-07-13 03:19:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:30,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:30,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:19:30,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291127075] [2022-07-13 03:19:30,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291127075] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 03:19:30,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 03:19:30,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 03:19:30,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898821735] [2022-07-13 03:19:30,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 03:19:30,742 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 03:19:30,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:30,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2022-07-13 03:19:30,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:30,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363426696] [2022-07-13 03:19:30,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:30,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:30,762 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:30,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:30,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:19:30,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 03:19:30,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 03:19:30,870 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:19:30,879 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2022-07-13 03:19:30,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 03:19:30,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-07-13 03:19:30,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:19:30,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 17 transitions. [2022-07-13 03:19:30,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-07-13 03:19:30,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-07-13 03:19:30,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-07-13 03:19:30,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 03:19:30,882 INFO L369 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-07-13 03:19:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-07-13 03:19:30,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-07-13 03:19:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-07-13 03:19:30,883 INFO L392 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-07-13 03:19:30,883 INFO L374 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-07-13 03:19:30,883 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-13 03:19:30,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2022-07-13 03:19:30,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:19:30,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:30,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:30,884 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 03:19:30,884 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:19:30,884 INFO L752 eck$LassoCheckResult]: Stem: 285#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 286#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 281#L556-4 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 283#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 287#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 288#L556-3 [2022-07-13 03:19:30,884 INFO L754 eck$LassoCheckResult]: Loop: 288#L556-3 call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 291#L556-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 288#L556-3 [2022-07-13 03:19:30,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2022-07-13 03:19:30,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:30,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096600573] [2022-07-13 03:19:30,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:30,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:30,931 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:30,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:30,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:30,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 2 times [2022-07-13 03:19:30,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:30,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797743662] [2022-07-13 03:19:30,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:30,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:30,992 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:31,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:31,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:31,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849233, now seen corresponding path program 1 times [2022-07-13 03:19:31,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:31,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115325436] [2022-07-13 03:19:31,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:31,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:31,026 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:31,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:31,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:31,625 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:19:31,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:19:31,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:19:31,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:19:31,625 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:19:31,625 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:31,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:19:31,625 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:19:31,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.14-alloca.i_Iteration5_Lasso [2022-07-13 03:19:31,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:19:31,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:19:31,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:31,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:32,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:32,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:32,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:32,547 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:19:32,547 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:19:32,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,552 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-13 03:19:32,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:32,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,607 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-13 03:19:32,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:32,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,659 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-13 03:19:32,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:32,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,686 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-13 03:19:32,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-07-13 03:19:32,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,714 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-13 03:19:32,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:32,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:32,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-07-13 03:19:32,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,745 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-13 03:19:32,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-13 03:19:32,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,771 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-13 03:19:32,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:32,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:32,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:32,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,799 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-13 03:19:32,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-07-13 03:19:32,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,827 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-13 03:19:32,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-13 03:19:32,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,872 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-13 03:19:32,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:32,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,901 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-13 03:19:32,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-07-13 03:19:32,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,927 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-13 03:19:32,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:32,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:32,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:32,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:32,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:32,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:32,977 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:32,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:32,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:32,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:32,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:32,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:32,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:32,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:32,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:32,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-13 03:19:33,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:33,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-13 03:19:33,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:33,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:33,032 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:33,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-13 03:19:33,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:33,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:33,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:33,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:33,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:33,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:33,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:33,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:33,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:33,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:33,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:33,078 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:33,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-13 03:19:33,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:33,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:33,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:33,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:33,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:33,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:33,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:33,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:33,114 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 [2022-07-13 03:19:33,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:33,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:33,115 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:33,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-13 03:19:33,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:33,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:33,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:33,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:33,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:33,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:33,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:33,144 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:19:33,158 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-07-13 03:19:33,159 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-07-13 03:19:33,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:33,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:33,160 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:33,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-13 03:19:33,162 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:19:33,169 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-13 03:19:33,169 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:19:33,169 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2 >= 0] [2022-07-13 03:19:33,185 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 [2022-07-13 03:19:33,267 INFO L293 tatePredicateManager]: 22 out of 25 supporting invariants were superfluous and have been removed [2022-07-13 03:19:33,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:33,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-13 03:19:33,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:33,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:33,466 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-07-13 03:19:33,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-07-13 03:19:33,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-13 03:19:33,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:33,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:33,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 03:19:33,730 INFO L356 Elim1Store]: treesize reduction 77, result has 9.4 percent of original size [2022-07-13 03:19:33,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 182 treesize of output 194 [2022-07-13 03:19:33,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-13 03:19:33,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-13 03:19:33,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-13 03:19:33,888 INFO L356 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2022-07-13 03:19:33,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 33 [2022-07-13 03:19:33,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-07-13 03:19:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:34,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-13 03:19:34,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:34,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:34,626 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-07-13 03:19:34,626 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:34,628 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 14 states and 17 transitions. Complement of second has 2 states. [2022-07-13 03:19:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-07-13 03:19:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:34,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-07-13 03:19:34,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-13 03:19:34,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:34,629 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 03:19:34,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:34,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-13 03:19:34,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:34,788 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-07-13 03:19:34,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-07-13 03:19:34,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-13 03:19:34,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:34,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:35,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:35,179 INFO L356 Elim1Store]: treesize reduction 24, result has 25.0 percent of original size [2022-07-13 03:19:35,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 123 [2022-07-13 03:19:35,199 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-13 03:19:35,206 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-13 03:19:35,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2022-07-13 03:19:35,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:35,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 152 [2022-07-13 03:19:35,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-07-13 03:19:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:35,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-13 03:19:35,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:35,778 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-07-13 03:19:35,778 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:35,780 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 14 states and 17 transitions. Complement of second has 2 states. [2022-07-13 03:19:35,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-07-13 03:19:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-07-13 03:19:35,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-13 03:19:35,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:35,781 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 03:19:35,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:35,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-13 03:19:35,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:35,906 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-07-13 03:19:35,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-07-13 03:19:35,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-13 03:19:35,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:35,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:36,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 03:19:36,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 03:19:36,399 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-13 03:19:36,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 78 [2022-07-13 03:19:36,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-07-13 03:19:36,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-13 03:19:36,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 03:19:36,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:36,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:36,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 33 [2022-07-13 03:19:36,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-07-13 03:19:36,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-07-13 03:19:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:36,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-13 03:19:36,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:37,023 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-07-13 03:19:37,023 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:37,045 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 16 states and 19 transitions. Complement of second has 2 states. [2022-07-13 03:19:37,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-13 03:19:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 9 transitions. [2022-07-13 03:19:37,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-13 03:19:37,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:37,047 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 03:19:37,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:37,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-13 03:19:37,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:37,185 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-07-13 03:19:37,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-07-13 03:19:37,199 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-13 03:19:37,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:37,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 03:19:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 03:19:37,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:37,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:37,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 21 [2022-07-13 03:19:37,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-13 03:19:37,457 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-13 03:19:37,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 03:19:37,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 03:19:37,473 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-13 03:19:37,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 157 treesize of output 108 [2022-07-13 03:19:37,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-07-13 03:19:37,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-07-13 03:19:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:38,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-13 03:19:38,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:38,214 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-07-13 03:19:38,214 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:38,216 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 14 states and 17 transitions. Complement of second has 2 states. [2022-07-13 03:19:38,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-07-13 03:19:38,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-07-13 03:19:38,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-13 03:19:38,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:38,217 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 03:19:38,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:38,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-13 03:19:38,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:38,367 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-07-13 03:19:38,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-07-13 03:19:38,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-13 03:19:38,389 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:38,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-13 03:19:38,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:38,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:38,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2022-07-13 03:19:38,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-13 03:19:38,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:38,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:19:38,524 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-07-13 03:19:38,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 97 treesize of output 96 [2022-07-13 03:19:38,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-13 03:19:38,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-13 03:19:38,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 15 [2022-07-13 03:19:38,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-07-13 03:19:38,707 INFO L356 Elim1Store]: treesize reduction 113, result has 29.8 percent of original size [2022-07-13 03:19:38,708 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 313 treesize of output 293 [2022-07-13 03:19:38,788 INFO L356 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-07-13 03:19:38,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 16 [2022-07-13 03:19:38,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 204 [2022-07-13 03:19:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:39,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-13 03:19:39,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:39,267 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-07-13 03:19:39,268 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:39,294 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 17 states and 20 transitions. Complement of second has 5 states 4 powerset states1 rank states. The highest rank that occured is 1 [2022-07-13 03:19:39,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-13 03:19:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-07-13 03:19:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2022-07-13 03:19:39,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-13 03:19:39,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:39,295 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 03:19:39,296 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiAndReportRankingFunction(AbstractBuchiCegarLoop.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-13 03:19:39,298 INFO L158 Benchmark]: Toolchain (without parser) took 13560.55ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 62.9MB in the beginning and 120.3MB in the end (delta: -57.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-07-13 03:19:39,298 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:19:39,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.67ms. Allocated memory is still 98.6MB. Free memory was 62.7MB in the beginning and 66.6MB in the end (delta: -3.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 03:19:39,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.97ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 64.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:19:39,299 INFO L158 Benchmark]: Boogie Preprocessor took 45.55ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 63.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:19:39,299 INFO L158 Benchmark]: RCFGBuilder took 348.63ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 52.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 03:19:39,299 INFO L158 Benchmark]: BuchiAutomizer took 12786.60ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 52.2MB in the beginning and 120.3MB in the end (delta: -68.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-07-13 03:19:39,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.67ms. Allocated memory is still 98.6MB. Free memory was 62.7MB in the beginning and 66.6MB in the end (delta: -3.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.97ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 64.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.55ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 63.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.63ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 52.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 12786.60ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 52.2MB in the beginning and 120.3MB in the end (delta: -68.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-13 03:19:39,333 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient