./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 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-recursive-malloc/rec_malloc_ex11.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 a88778e925af9c1a64b7e94f7ff093b6408bd8b2e5fbc09d91ee3e64112df49e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:06:20,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:06:20,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:06:20,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:06:20,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:06:20,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:06:20,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:06:20,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:06:20,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:06:20,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:06:20,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:06:20,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:06:20,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:06:20,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:06:20,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:06:20,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:06:20,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:06:20,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:06:20,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:06:20,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:06:20,545 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:06:20,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:06:20,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:06:20,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:06:20,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:06:20,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:06:20,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:06:20,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:06:20,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:06:20,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:06:20,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:06:20,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:06:20,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:06:20,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:06:20,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:06:20,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:06:20,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:06:20,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:06:20,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:06:20,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:06:20,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:06:20,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:06:20,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 15:06:20,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:06:20,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:06:20,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:06:20,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:06:20,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:06:20,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:06:20,581 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:06:20,581 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:06:20,581 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:06:20,581 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:06:20,582 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:06:20,582 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:06:20,582 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:06:20,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:06:20,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:06:20,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:06:20,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:06:20,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:06:20,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:06:20,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:06:20,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:06:20,584 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:06:20,584 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:06:20,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:06:20,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:06:20,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:06:20,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:06:20,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:06:20,585 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:06:20,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88778e925af9c1a64b7e94f7ff093b6408bd8b2e5fbc09d91ee3e64112df49e [2022-07-14 15:06:20,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:06:20,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:06:20,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:06:20,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:06:20,815 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:06:20,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2022-07-14 15:06:20,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c9f8697/b53f737fbad64e2d9ca56feab4e5dc35/FLAG5dc037680 [2022-07-14 15:06:21,235 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:06:21,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2022-07-14 15:06:21,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c9f8697/b53f737fbad64e2d9ca56feab4e5dc35/FLAG5dc037680 [2022-07-14 15:06:21,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c9f8697/b53f737fbad64e2d9ca56feab4e5dc35 [2022-07-14 15:06:21,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:06:21,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:06:21,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:06:21,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:06:21,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:06:21,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecad0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21, skipping insertion in model container [2022-07-14 15:06:21,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:06:21,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:06:21,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:06:21,417 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:06:21,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:06:21,436 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:06:21,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21 WrapperNode [2022-07-14 15:06:21,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:06:21,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:06:21,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:06:21,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:06:21,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,464 INFO L137 Inliner]: procedures = 11, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-07-14 15:06:21,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:06:21,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:06:21,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:06:21,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:06:21,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:06:21,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:06:21,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:06:21,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:06:21,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:21,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:21,509 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) [2022-07-14 15:06:21,521 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 [2022-07-14 15:06:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:06:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2022-07-14 15:06:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2022-07-14 15:06:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 15:06:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:06:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:06:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 15:06:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 15:06:21,586 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:06:21,587 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:06:21,684 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:06:21,688 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:06:21,688 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 15:06:21,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:06:21 BoogieIcfgContainer [2022-07-14 15:06:21,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:06:21,690 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:06:21,690 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:06:21,693 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:06:21,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:06:21,693 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:06:21" (1/3) ... [2022-07-14 15:06:21,694 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f4e306c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:06:21, skipping insertion in model container [2022-07-14 15:06:21,694 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:06:21,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (2/3) ... [2022-07-14 15:06:21,694 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f4e306c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:06:21, skipping insertion in model container [2022-07-14 15:06:21,694 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:06:21,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:06:21" (3/3) ... [2022-07-14 15:06:21,695 INFO L354 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11.i [2022-07-14 15:06:21,726 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:06:21,727 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:06:21,727 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:06:21,727 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:06:21,727 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:06:21,727 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:06:21,727 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:06:21,727 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:06:21,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:21,741 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-14 15:06:21,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:06:21,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:06:21,746 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:06:21,746 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:06:21,746 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:06:21,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:21,747 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-14 15:06:21,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:06:21,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:06:21,748 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:06:21,748 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:06:21,752 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 13#L28-3true [2022-07-14 15:06:21,752 INFO L754 eck$LassoCheckResult]: Loop: 13#L28-3true call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 11#L28-1true assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 7#L32true assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 8#L36true call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 12#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 10#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 17#recFINALtrue assume true; 15#recEXITtrue >#44#return; 14#L36-1true assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 9#L36-3true call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 13#L28-3true [2022-07-14 15:06:21,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:21,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2022-07-14 15:06:21,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:21,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95471232] [2022-07-14 15:06:21,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:21,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:21,837 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:21,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:21,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:21,857 INFO L85 PathProgramCache]: Analyzing trace with hash -2107477180, now seen corresponding path program 1 times [2022-07-14 15:06:21,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:21,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368543779] [2022-07-14 15:06:21,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 15:06:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:06:22,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:06:22,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368543779] [2022-07-14 15:06:22,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368543779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:06:22,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:06:22,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 15:06:22,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680468678] [2022-07-14 15:06:22,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:06:22,074 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 15:06:22,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:06:22,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 15:06:22,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 15:06:22,096 INFO L87 Difference]: Start difference. First operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 15:06:22,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:06:22,218 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-07-14 15:06:22,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 15:06:22,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2022-07-14 15:06:22,223 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-14 15:06:22,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 19 transitions. [2022-07-14 15:06:22,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-07-14 15:06:22,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-07-14 15:06:22,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-07-14 15:06:22,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:06:22,228 INFO L369 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-07-14 15:06:22,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-07-14 15:06:22,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-07-14 15:06:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-14 15:06:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-07-14 15:06:22,251 INFO L392 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-07-14 15:06:22,251 INFO L374 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-07-14 15:06:22,251 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:06:22,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-07-14 15:06:22,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-14 15:06:22,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:06:22,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:06:22,256 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:06:22,256 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:06:22,257 INFO L752 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 58#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 64#L28-3 [2022-07-14 15:06:22,257 INFO L754 eck$LassoCheckResult]: Loop: 64#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 69#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 65#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 60#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 63#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 67#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 61#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 63#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 67#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 68#recFINAL assume true; 70#recEXIT >#42#return; 59#L19-1 #res := #t~ret5;havoc #t~ret5; 62#recFINAL assume true; 72#recEXIT >#44#return; 71#L36-1 assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 66#L36-3 call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 64#L28-3 [2022-07-14 15:06:22,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:22,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2022-07-14 15:06:22,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:22,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27772376] [2022-07-14 15:06:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:22,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:22,270 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:22,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:22,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:22,277 INFO L85 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 1 times [2022-07-14 15:06:22,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:22,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897785770] [2022-07-14 15:06:22,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:22,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:22,321 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:22,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:22,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:22,354 INFO L85 PathProgramCache]: Analyzing trace with hash -645910274, now seen corresponding path program 1 times [2022-07-14 15:06:22,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:22,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688559148] [2022-07-14 15:06:22,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:22,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:22,419 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:22,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:23,522 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:06:23,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:06:23,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:06:23,525 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:06:23,525 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:06:23,525 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:23,525 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:06:23,525 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:06:23,525 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration2_Lasso [2022-07-14 15:06:23,525 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:06:23,525 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:06:23,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:06:23,935 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:06:23,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:23,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:23,948 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) [2022-07-14 15:06:23,960 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 [2022-07-14 15:06:23,960 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 [2022-07-14 15:06:23,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:23,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:23,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:23,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:23,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:23,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:23,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:23,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,018 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 [2022-07-14 15:06:24,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,028 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) [2022-07-14 15:06:24,046 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 [2022-07-14 15:06:24,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,054 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-14 15:06:24,054 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-07-14 15:06:24,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,080 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 [2022-07-14 15:06:24,127 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2022-07-14 15:06:24,127 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-07-14 15:06:24,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:24,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,202 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) [2022-07-14 15:06:24,204 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 [2022-07-14 15:06:24,205 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 [2022-07-14 15:06:24,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:24,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:24,251 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:06:24,279 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-14 15:06:24,279 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-14 15:06:24,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,287 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) [2022-07-14 15:06:24,313 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:06:24,322 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 [2022-07-14 15:06:24,337 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 15:06:24,337 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:06:24,337 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1 Supporting invariants [] [2022-07-14 15:06:24,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:24,365 INFO L293 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-07-14 15:06:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:24,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 15:06:24,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:24,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjunts are in the unsatisfiable core [2022-07-14 15:06:24,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:24,498 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 [2022-07-14 15:06:24,514 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-14 15:06:24,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-14 15:06:24,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2022-07-14 15:06:24,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-07-14 15:06:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-14 15:06:24,591 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2022-07-14 15:06:24,592 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:24,689 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 62 states and 73 transitions. Complement of second has 17 states. [2022-07-14 15:06:24,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-07-14 15:06:24,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2022-07-14 15:06:24,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 16 letters. [2022-07-14 15:06:24,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:24,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 18 letters. Loop has 16 letters. [2022-07-14 15:06:24,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:24,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 32 letters. [2022-07-14 15:06:24,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:24,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 73 transitions. [2022-07-14 15:06:24,697 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-07-14 15:06:24,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 56 states and 67 transitions. [2022-07-14 15:06:24,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2022-07-14 15:06:24,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2022-07-14 15:06:24,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2022-07-14 15:06:24,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 15:06:24,699 INFO L369 hiAutomatonCegarLoop]: Abstraction has 56 states and 67 transitions. [2022-07-14 15:06:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2022-07-14 15:06:24,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2022-07-14 15:06:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 8 states have call successors, (8), 5 states have call predecessors, (8), 6 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-07-14 15:06:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2022-07-14 15:06:24,703 INFO L392 hiAutomatonCegarLoop]: Abstraction has 51 states and 60 transitions. [2022-07-14 15:06:24,703 INFO L374 stractBuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2022-07-14 15:06:24,704 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 15:06:24,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 60 transitions. [2022-07-14 15:06:24,705 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-07-14 15:06:24,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:06:24,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:06:24,705 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:06:24,705 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 15:06:24,706 INFO L752 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 251#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 264#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 265#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 248#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 256#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 287#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 241#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 249#recENTRY [2022-07-14 15:06:24,706 INFO L754 eck$LassoCheckResult]: Loop: 249#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 262#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 242#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 249#recENTRY [2022-07-14 15:06:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:24,706 INFO L85 PathProgramCache]: Analyzing trace with hash -498407605, now seen corresponding path program 1 times [2022-07-14 15:06:24,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:24,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29886403] [2022-07-14 15:06:24,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:24,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:24,722 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:24,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:24,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:24,735 INFO L85 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 1 times [2022-07-14 15:06:24,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:24,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763811939] [2022-07-14 15:06:24,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:24,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:24,742 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:24,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:24,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash -359018118, now seen corresponding path program 2 times [2022-07-14 15:06:24,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:24,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815724720] [2022-07-14 15:06:24,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:24,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:24,764 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:24,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:25,846 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:06:25,847 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:06:25,847 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:06:25,847 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:06:25,847 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:06:25,847 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:25,847 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:06:25,847 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:06:25,847 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration3_Lasso [2022-07-14 15:06:25,847 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:06:25,847 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:06:25,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:25,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:26,369 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:06:26,369 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:06:26,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,370 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) [2022-07-14 15:06:26,371 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 [2022-07-14 15:06:26,373 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 [2022-07-14 15:06:26,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-14 15:06:26,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,399 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) [2022-07-14 15:06:26,400 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 [2022-07-14 15:06:26,401 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 [2022-07-14 15:06:26,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:26,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,447 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) [2022-07-14 15:06:26,448 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 [2022-07-14 15:06:26,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:06:26,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,507 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 [2022-07-14 15:06:26,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,518 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) [2022-07-14 15:06:26,519 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 [2022-07-14 15:06:26,526 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 [2022-07-14 15:06:26,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:26,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,584 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) [2022-07-14 15:06:26,619 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 [2022-07-14 15:06:26,620 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 [2022-07-14 15:06:26,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,661 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 [2022-07-14 15:06:26,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,663 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) [2022-07-14 15:06:26,675 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 [2022-07-14 15:06:26,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,691 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 [2022-07-14 15:06:26,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:26,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,700 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) [2022-07-14 15:06:26,700 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 [2022-07-14 15:06:26,702 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 [2022-07-14 15:06:26,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,724 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 [2022-07-14 15:06:26,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,726 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) [2022-07-14 15:06:26,727 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 [2022-07-14 15:06:26,728 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 [2022-07-14 15:06:26,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-14 15:06:26,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,768 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) [2022-07-14 15:06:26,769 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 [2022-07-14 15:06:26,771 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 [2022-07-14 15:06:26,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,797 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 [2022-07-14 15:06:26,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,798 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) [2022-07-14 15:06:26,799 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 [2022-07-14 15:06:26,800 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 [2022-07-14 15:06:26,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:26,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:26,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:26,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,837 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 [2022-07-14 15:06:26,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,839 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) [2022-07-14 15:06:26,840 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 [2022-07-14 15:06:26,841 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 [2022-07-14 15:06:26,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:26,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:26,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-07-14 15:06:26,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,880 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) [2022-07-14 15:06:26,882 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 [2022-07-14 15:06:26,883 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 [2022-07-14 15:06:26,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:26,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:26,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,909 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 [2022-07-14 15:06:26,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,911 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) [2022-07-14 15:06:26,912 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 [2022-07-14 15:06:26,913 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 [2022-07-14 15:06:26,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:26,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:26,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:26,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:26,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:26,962 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 [2022-07-14 15:06:26,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:26,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:26,968 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) [2022-07-14 15:06:26,970 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 [2022-07-14 15:06:26,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:06:26,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:26,976 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2022-07-14 15:06:26,976 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-14 15:06:26,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:26,993 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2022-07-14 15:06:26,993 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 15:06:27,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:27,029 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 [2022-07-14 15:06:27,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:27,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:27,031 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) [2022-07-14 15:06:27,036 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 [2022-07-14 15:06:27,037 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 [2022-07-14 15:06:27,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:27,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:27,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:27,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:27,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:27,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:27,059 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:06:27,089 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-07-14 15:06:27,089 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-07-14 15:06:27,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:27,091 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) [2022-07-14 15:06:27,107 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 [2022-07-14 15:06:27,107 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:06:27,129 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2022-07-14 15:06:27,129 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:06:27,129 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) rec_#in~op.base) rec_#in~op.offset)_1) = 2*v_rep(select (select old(#memory_int) rec_#in~op.base) rec_#in~op.offset)_1 + 3 Supporting invariants [-1*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1 + 1*v_rep(select (select old(#memory_int) rec_#in~op.base) 0)_1 >= 0, 1*v_rep(select (select old(#memory_int) rec_#in~op.base) 0)_1 + 1 >= 0] [2022-07-14 15:06:27,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:27,156 INFO L293 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-07-14 15:06:27,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:27,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-14 15:06:27,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:27,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-14 15:06:27,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:27,246 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 23 treesize of output 15 [2022-07-14 15:06:27,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-14 15:06:27,292 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-07-14 15:06:27,293 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 1 case distinctions, treesize of input 39 treesize of output 34 [2022-07-14 15:06:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:06:27,313 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 15:06:27,313 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14 Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:06:27,377 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 99 states and 122 transitions. Complement of second has 18 states. [2022-07-14 15:06:27,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-14 15:06:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:06:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2022-07-14 15:06:27,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2022-07-14 15:06:27,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:27,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2022-07-14 15:06:27,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:27,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2022-07-14 15:06:27,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:27,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 122 transitions. [2022-07-14 15:06:27,383 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-07-14 15:06:27,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 87 states and 110 transitions. [2022-07-14 15:06:27,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-07-14 15:06:27,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2022-07-14 15:06:27,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 110 transitions. [2022-07-14 15:06:27,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 15:06:27,387 INFO L369 hiAutomatonCegarLoop]: Abstraction has 87 states and 110 transitions. [2022-07-14 15:06:27,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 110 transitions. [2022-07-14 15:06:27,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2022-07-14 15:06:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 63 states have internal predecessors, (69), 14 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (19), 8 states have call predecessors, (19), 14 states have call successors, (19) [2022-07-14 15:06:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2022-07-14 15:06:27,392 INFO L392 hiAutomatonCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-07-14 15:06:27,392 INFO L374 stractBuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-07-14 15:06:27,392 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-14 15:06:27,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2022-07-14 15:06:27,393 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-07-14 15:06:27,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:06:27,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:06:27,394 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:06:27,394 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:06:27,394 INFO L752 eck$LassoCheckResult]: Stem: 497#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 498#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 511#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 515#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 516#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 557#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 564#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 562#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 486#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 561#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 512#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 513#recFINAL assume true; 521#recEXIT >#42#return; 522#L19-1 #res := #t~ret5;havoc #t~ret5; 558#recFINAL assume true; 556#recEXIT >#44#return; 524#L36-1 assume !(-1 == main_#t~ret12#1);main_#t~ite13#1 := 1; 502#L36-3 [2022-07-14 15:06:27,394 INFO L754 eck$LassoCheckResult]: Loop: 502#L36-3 call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 503#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 539#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 537#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 533#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 536#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 545#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 534#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 536#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 545#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 546#recFINAL assume true; 547#recEXIT >#42#return; 535#L19-1 #res := #t~ret5;havoc #t~ret5; 543#recFINAL assume true; 532#recEXIT >#44#return; 531#L36-1 assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 502#L36-3 [2022-07-14 15:06:27,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:27,395 INFO L85 PathProgramCache]: Analyzing trace with hash -713572475, now seen corresponding path program 1 times [2022-07-14 15:06:27,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:27,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928648214] [2022-07-14 15:06:27,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:27,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 15:06:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 15:06:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-14 15:06:27,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:06:27,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928648214] [2022-07-14 15:06:27,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928648214] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 15:06:27,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492202881] [2022-07-14 15:06:27,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:27,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 15:06:27,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:27,605 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 15:06:27,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-07-14 15:06:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:27,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-14 15:06:27,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:27,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:27,727 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-14 15:06:27,728 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 1 case distinctions, treesize of input 28 treesize of output 31 [2022-07-14 15:06:27,798 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 24 treesize of output 12 [2022-07-14 15:06:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:06:27,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 15:06:28,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:06:28,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492202881] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 15:06:28,061 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 15:06:28,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-07-14 15:06:28,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914846790] [2022-07-14 15:06:28,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 15:06:28,062 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 15:06:28,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:28,062 INFO L85 PathProgramCache]: Analyzing trace with hash 542882406, now seen corresponding path program 2 times [2022-07-14 15:06:28,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:28,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648490732] [2022-07-14 15:06:28,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:28,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:28,075 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:28,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:28,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:06:28,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-14 15:06:28,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2022-07-14 15:06:28,935 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. cyclomatic complexity: 26 Second operand has 19 states, 16 states have (on average 1.4375) internal successors, (23), 14 states have internal predecessors, (23), 3 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-14 15:06:29,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:06:29,141 INFO L93 Difference]: Finished difference Result 97 states and 130 transitions. [2022-07-14 15:06:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 15:06:29,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 130 transitions. [2022-07-14 15:06:29,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 15:06:29,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 60 states and 77 transitions. [2022-07-14 15:06:29,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-07-14 15:06:29,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-07-14 15:06:29,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 77 transitions. [2022-07-14 15:06:29,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 15:06:29,154 INFO L369 hiAutomatonCegarLoop]: Abstraction has 60 states and 77 transitions. [2022-07-14 15:06:29,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 77 transitions. [2022-07-14 15:06:29,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 45. [2022-07-14 15:06:29,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (10), 3 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-14 15:06:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2022-07-14 15:06:29,167 INFO L392 hiAutomatonCegarLoop]: Abstraction has 45 states and 54 transitions. [2022-07-14 15:06:29,167 INFO L374 stractBuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2022-07-14 15:06:29,167 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-14 15:06:29,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2022-07-14 15:06:29,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 15:06:29,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:06:29,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:06:29,171 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:06:29,171 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 15:06:29,172 INFO L752 eck$LassoCheckResult]: Stem: 817#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 818#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 827#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 834#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 824#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 825#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 826#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 835#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 815#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 845#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 831#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 832#recFINAL assume true; 844#recEXIT >#42#return; 843#L19-1 #res := #t~ret5;havoc #t~ret5; 842#recFINAL assume true; 840#recEXIT >#44#return; 838#L36-1 assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 828#L36-3 call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 829#L28-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 833#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 823#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 821#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 820#recENTRY [2022-07-14 15:06:29,172 INFO L754 eck$LassoCheckResult]: Loop: 820#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 830#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 819#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 820#recENTRY [2022-07-14 15:06:29,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:29,172 INFO L85 PathProgramCache]: Analyzing trace with hash -873815595, now seen corresponding path program 2 times [2022-07-14 15:06:29,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:29,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017596805] [2022-07-14 15:06:29,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:29,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:29,198 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:29,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:29,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:29,218 INFO L85 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 2 times [2022-07-14 15:06:29,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:29,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181633068] [2022-07-14 15:06:29,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:29,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:29,222 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:29,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:29,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:29,226 INFO L85 PathProgramCache]: Analyzing trace with hash -43609424, now seen corresponding path program 3 times [2022-07-14 15:06:29,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:29,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026850726] [2022-07-14 15:06:29,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:29,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:29,256 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:29,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:31,534 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:06:31,534 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:06:31,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:06:31,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:06:31,534 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:06:31,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:31,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:06:31,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:06:31,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration5_Lasso [2022-07-14 15:06:31,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:06:31,534 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:06:31,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:31,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:32,203 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:06:32,203 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:06:32,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,205 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) [2022-07-14 15:06:32,206 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 [2022-07-14 15:06:32,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:06:32,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,277 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 [2022-07-14 15:06:32,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,278 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) [2022-07-14 15:06:32,281 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 [2022-07-14 15:06:32,282 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 [2022-07-14 15:06:32,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,308 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) [2022-07-14 15:06:32,309 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 [2022-07-14 15:06:32,310 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 [2022-07-14 15:06:32,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,337 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) [2022-07-14 15:06:32,338 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 [2022-07-14 15:06:32,340 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 [2022-07-14 15:06:32,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-14 15:06:32,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,364 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) [2022-07-14 15:06:32,365 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 [2022-07-14 15:06:32,366 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 [2022-07-14 15:06:32,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,390 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) [2022-07-14 15:06:32,391 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 [2022-07-14 15:06:32,392 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 [2022-07-14 15:06:32,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:32,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:32,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,455 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 [2022-07-14 15:06:32,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,457 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) [2022-07-14 15:06:32,458 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 [2022-07-14 15:06:32,459 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 [2022-07-14 15:06:32,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,506 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) [2022-07-14 15:06:32,507 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 [2022-07-14 15:06:32,508 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 [2022-07-14 15:06:32,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,545 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 [2022-07-14 15:06:32,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,547 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) [2022-07-14 15:06:32,554 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 [2022-07-14 15:06:32,554 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 [2022-07-14 15:06:32,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,583 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 [2022-07-14 15:06:32,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,585 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) [2022-07-14 15:06:32,586 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 [2022-07-14 15:06:32,587 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 [2022-07-14 15:06:32,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:32,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:32,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,613 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) [2022-07-14 15:06:32,614 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 [2022-07-14 15:06:32,615 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 [2022-07-14 15:06:32,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,637 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 [2022-07-14 15:06:32,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,638 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-14 15:06:32,647 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 [2022-07-14 15:06:32,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-14 15:06:32,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,677 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-14 15:06:32,679 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 [2022-07-14 15:06:32,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,713 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-14 15:06:32,715 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 [2022-07-14 15:06:32,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,740 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-14 15:06:32,743 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 [2022-07-14 15:06:32,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,769 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-14 15:06:32,771 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 [2022-07-14 15:06:32,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-14 15:06:32,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,794 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-14 15:06:32,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:06:32,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-14 15:06:32,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,820 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-14 15:06:32,822 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 [2022-07-14 15:06:32,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:32,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:32,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:32,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-14 15:06:32,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,860 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-14 15:06:32,862 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 [2022-07-14 15:06:32,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:32,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:32,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-07-14 15:06:32,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,891 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-14 15:06:32,893 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 [2022-07-14 15:06:32,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:32,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:32,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,932 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-14 15:06:32,933 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 [2022-07-14 15:06:32,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:32,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:32,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:32,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:32,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:32,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:32,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:32,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:32,958 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:32,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-14 15:06:32,960 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 [2022-07-14 15:06:32,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:32,966 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2022-07-14 15:06:32,966 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-14 15:06:32,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:32,997 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2022-07-14 15:06:32,997 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 15:06:33,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:33,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:33,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:33,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:33,048 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:33,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-14 15:06:33,049 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 [2022-07-14 15:06:33,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:33,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:33,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:33,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:33,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:33,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:33,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:33,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-07-14 15:06:33,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:33,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:33,078 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:33,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-14 15:06:33,080 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 [2022-07-14 15:06:33,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:33,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:33,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:33,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:33,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:33,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:33,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:33,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:33,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:33,110 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:33,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-14 15:06:33,112 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 [2022-07-14 15:06:33,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:33,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:33,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:33,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:33,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:33,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:33,135 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:06:33,141 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-07-14 15:06:33,141 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-07-14 15:06:33,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:33,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:33,143 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:06:33,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-14 15:06:33,145 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:06:33,162 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 15:06:33,162 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:06:33,162 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2 + 1 Supporting invariants [] [2022-07-14 15:06:33,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-14 15:06:33,180 INFO L293 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-07-14 15:06:33,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:33,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 15:06:33,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:33,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-14 15:06:33,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:33,360 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-14 15:06:33,361 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 1 case distinctions, treesize of input 39 treesize of output 38 [2022-07-14 15:06:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:06:33,379 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 15:06:33,379 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:33,423 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 55 states and 65 transitions. Complement of second has 14 states. [2022-07-14 15:06:33,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-14 15:06:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2022-07-14 15:06:33,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2022-07-14 15:06:33,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:33,425 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 15:06:33,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:33,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 15:06:33,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:33,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-14 15:06:33,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:33,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:33,632 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-14 15:06:33,632 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 1 case distinctions, treesize of input 39 treesize of output 38 [2022-07-14 15:06:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:06:33,652 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 15:06:33,652 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:33,696 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 55 states and 65 transitions. Complement of second has 14 states. [2022-07-14 15:06:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-14 15:06:33,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:33,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2022-07-14 15:06:33,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2022-07-14 15:06:33,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:33,698 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 15:06:33,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:33,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 15:06:33,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:33,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-14 15:06:33,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:33,871 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-14 15:06:33,872 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 1 case distinctions, treesize of input 39 treesize of output 38 [2022-07-14 15:06:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:06:33,892 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 15:06:33,892 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:33,955 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 68 states and 78 transitions. Complement of second has 15 states. [2022-07-14 15:06:33,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-14 15:06:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 15:06:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2022-07-14 15:06:33,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 3 letters. [2022-07-14 15:06:33,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:33,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 25 letters. Loop has 3 letters. [2022-07-14 15:06:33,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:33,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 6 letters. [2022-07-14 15:06:33,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:33,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 78 transitions. [2022-07-14 15:06:33,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:06:33,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2022-07-14 15:06:33,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:06:33,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:06:33,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:06:33,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:06:33,959 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:06:33,959 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:06:33,959 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:06:33,959 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-14 15:06:33,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 15:06:33,959 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:06:33,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:06:33,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:06:33 BoogieIcfgContainer [2022-07-14 15:06:33,964 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:06:33,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:06:33,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:06:33,965 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:06:33,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:06:21" (3/4) ... [2022-07-14 15:06:33,967 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:06:33,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:06:33,967 INFO L158 Benchmark]: Toolchain (without parser) took 12717.05ms. Allocated memory was 77.6MB in the beginning and 163.6MB in the end (delta: 86.0MB). Free memory was 43.3MB in the beginning and 85.0MB in the end (delta: -41.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-07-14 15:06:33,967 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 56.1MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:06:33,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.97ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 70.5MB in the end (delta: -27.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-07-14 15:06:33,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.87ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 68.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:06:33,968 INFO L158 Benchmark]: Boogie Preprocessor took 12.50ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 67.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:06:33,968 INFO L158 Benchmark]: RCFGBuilder took 211.88ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 57.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 15:06:33,969 INFO L158 Benchmark]: BuchiAutomizer took 12273.74ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 57.2MB in the beginning and 85.0MB in the end (delta: -27.9MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2022-07-14 15:06:33,969 INFO L158 Benchmark]: Witness Printer took 2.53ms. Allocated memory is still 163.6MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:06:33,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 56.1MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.97ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 70.5MB in the end (delta: -27.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.87ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 68.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.50ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 67.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 211.88ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 57.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 12273.74ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 57.2MB in the beginning and 85.0MB in the end (delta: -27.9MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 2.53ms. Allocated memory is still 163.6MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 8 locations. One deterministic module has affine ranking function 3 + 2 * \old(unknown-#memory_int-unknown)[op][op] and consists of 6 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.2s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 10.4s. Construction of modules took 0.2s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 246 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 309 IncrementalHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 80 mSDtfsCounter, 309 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital392 mio100 ax100 hnf100 lsp98 ukn39 mio100 lsp29 div100 bol100 ite100 ukn100 eq166 hnf96 smp100 dnf458 smp77 tf100 neg84 sie160 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 70ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 16 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 76 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 15:06:33,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-07-14 15:06:34,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE