./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.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 a3234041458b1cb43f5c8cf47efd2786acbf35974c39e2e7dc8710d7ed359b74 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 01:44:18,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:44:18,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:44:18,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:44:18,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:44:18,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:44:18,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:44:18,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:44:18,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:44:18,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:44:18,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:44:18,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:44:18,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:44:18,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:44:18,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:44:18,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:44:18,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:44:18,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:44:18,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:44:18,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:44:18,399 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:44:18,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:44:18,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:44:18,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:44:18,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:44:18,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:44:18,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:44:18,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:44:18,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:44:18,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:44:18,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:44:18,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:44:18,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:44:18,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:44:18,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:44:18,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:44:18,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:44:18,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:44:18,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:44:18,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:44:18,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:44:18,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:44:18,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-22 01:44:18,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:44:18,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:44:18,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:44:18,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:44:18,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:44:18,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:44:18,438 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:44:18,438 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:44:18,438 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:44:18,439 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:44:18,439 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:44:18,439 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:44:18,439 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:44:18,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:44:18,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:44:18,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:44:18,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:44:18,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:44:18,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:44:18,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:44:18,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:44:18,447 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:44:18,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:44:18,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:44:18,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:44:18,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:44:18,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:44:18,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:44:18,450 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:44:18,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3234041458b1cb43f5c8cf47efd2786acbf35974c39e2e7dc8710d7ed359b74 [2022-07-22 01:44:18,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:44:18,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:44:18,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:44:18,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:44:18,701 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:44:18,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.i [2022-07-22 01:44:18,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61eb449fc/8127f5fefd8e4c85895182341437b08c/FLAGa722ffd81 [2022-07-22 01:44:19,108 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:44:19,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.i [2022-07-22 01:44:19,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61eb449fc/8127f5fefd8e4c85895182341437b08c/FLAGa722ffd81 [2022-07-22 01:44:19,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61eb449fc/8127f5fefd8e4c85895182341437b08c [2022-07-22 01:44:19,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:44:19,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:44:19,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:44:19,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:44:19,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:44:19,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b10533d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19, skipping insertion in model container [2022-07-22 01:44:19,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:44:19,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:44:19,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:44:19,276 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:44:19,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:44:19,318 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:44:19,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19 WrapperNode [2022-07-22 01:44:19,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:44:19,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:44:19,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:44:19,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:44:19,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,343 INFO L137 Inliner]: procedures = 12, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-07-22 01:44:19,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:44:19,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:44:19,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:44:19,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:44:19,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:44:19,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:44:19,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:44:19,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:44:19,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (1/1) ... [2022-07-22 01:44:19,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:19,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:19,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:19,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 01:44:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 01:44:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 01:44:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-07-22 01:44:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-07-22 01:44:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-07-22 01:44:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-07-22 01:44:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:44:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:44:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 01:44:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 01:44:19,512 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:44:19,513 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:44:19,617 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:44:19,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:44:19,621 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 01:44:19,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:44:19 BoogieIcfgContainer [2022-07-22 01:44:19,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:44:19,623 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:44:19,623 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:44:19,625 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:44:19,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:44:19,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:44:19" (1/3) ... [2022-07-22 01:44:19,627 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bda9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:44:19, skipping insertion in model container [2022-07-22 01:44:19,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:44:19,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:44:19" (2/3) ... [2022-07-22 01:44:19,627 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bda9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:44:19, skipping insertion in model container [2022-07-22 01:44:19,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:44:19,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:44:19" (3/3) ... [2022-07-22 01:44:19,629 INFO L354 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex4.i [2022-07-22 01:44:19,685 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:44:19,685 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:44:19,685 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:44:19,685 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:44:19,685 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:44:19,685 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:44:19,686 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:44:19,686 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:44:19,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 01:44:19,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-22 01:44:19,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:44:19,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:44:19,704 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 01:44:19,705 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-22 01:44:19,705 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:44:19,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 01:44:19,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-22 01:44:19,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:44:19,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:44:19,707 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 01:44:19,719 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-22 01:44:19,723 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet11#1, main_#t~nondet12#1, main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~p2~0#1.base, main_~p2~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call write~int(main_#t~nondet11#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet11#1;call write~int(main_#t~nondet12#1, main_~p2~0#1.base, main_~p2~0#1.offset, 4);havoc main_#t~nondet12#1; 10#L50true call f(main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset);< 11#fENTRYtrue [2022-07-22 01:44:19,724 INFO L754 eck$LassoCheckResult]: Loop: 11#fENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4);call #t~mem2 := read~int(~q.base, ~q.offset, 4); 13#L13true assume !(#t~mem1 + #t~mem2 < 0);havoc #t~mem1;havoc #t~mem2;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~np~0.base, ~np~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);call write~int(#t~mem4 - 1, ~np~0.base, ~np~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~p.base, ~p.offset); 14#L23true call g(~q.base, ~q.offset, ~np~0.base, ~np~0.offset);< 12#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4);call #t~mem6 := read~int(~q.base, ~q.offset, 4); 16#L31true assume !(#t~mem5 + #t~mem6 < 0);havoc #t~mem5;havoc #t~mem6;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 7#L36true call f(~p.base, ~p.offset, ~q.base, ~q.offset);< 11#fENTRYtrue [2022-07-22 01:44:19,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:44:19,728 INFO L85 PathProgramCache]: Analyzing trace with hash 43766, now seen corresponding path program 1 times [2022-07-22 01:44:19,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:44:19,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284752202] [2022-07-22 01:44:19,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:44:19,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:44:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:44:19,858 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:44:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:44:19,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:44:19,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:44:19,906 INFO L85 PathProgramCache]: Analyzing trace with hash 891830467, now seen corresponding path program 1 times [2022-07-22 01:44:19,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:44:19,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146765503] [2022-07-22 01:44:19,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:44:19,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:44:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:44:19,977 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:44:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:44:20,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:44:20,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:44:20,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1193795592, now seen corresponding path program 1 times [2022-07-22 01:44:20,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:44:20,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870421720] [2022-07-22 01:44:20,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:44:20,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:44:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:44:20,056 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:44:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:44:20,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:44:21,571 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:44:21,573 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:44:21,573 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:44:21,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:44:21,574 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:44:21,574 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:21,574 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:44:21,574 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:44:21,574 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex4.i_Iteration1_Lasso [2022-07-22 01:44:21,574 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:44:21,574 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:44:21,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:21,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:44:22,143 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:44:22,145 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:44:22,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 01:44:22,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 01:44:22,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,252 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 01:44:22,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,288 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 01:44:22,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,318 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 01:44:22,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,364 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 01:44:22,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:44:22,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:44:22,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,410 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 01:44:22,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,438 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 01:44:22,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,468 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 01:44:22,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,498 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 01:44:22,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,538 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 01:44:22,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-07-22 01:44:22,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,575 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 01:44:22,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,607 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 [2022-07-22 01:44:22,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,608 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 01:44:22,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,688 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 01:44:22,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-07-22 01:44:22,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,723 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 01:44:22,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:44:22,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:44:22,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:44:22,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,757 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 01:44:22,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:44:22,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:44:22,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:44:22,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:44:22,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,798 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-22 01:44:22,800 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 [2022-07-22 01:44:22,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:44:22,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:44:22,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:44:22,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:44:22,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:44:22,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:44:22,826 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:44:22,855 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-22 01:44:22,855 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-22 01:44:22,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:44:22,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:44:22,858 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:44:22,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-22 01:44:22,860 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:44:22,888 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:44:22,888 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:44:22,889 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1, v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1 + 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2022-07-22 01:44:22,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:22,932 INFO L293 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2022-07-22 01:44:22,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:44:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:44:22,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 01:44:22,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:44:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:44:23,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 57 conjunts are in the unsatisfiable core [2022-07-22 01:44:23,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:44:23,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-22 01:44:23,156 INFO L356 Elim1Store]: treesize reduction 32, result has 57.3 percent of original size [2022-07-22 01:44:23,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 65 [2022-07-22 01:44:24,195 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 01:44:24,195 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 [2022-07-22 01:44:24,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-07-22 01:44:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:44:24,403 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-07-22 01:44:24,404 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-07-22 01:44:24,473 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 23 states and 26 transitions. Complement of second has 7 states. [2022-07-22 01:44:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 01:44:24,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-07-22 01:44:24,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2022-07-22 01:44:24,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-22 01:44:24,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:44:24,486 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 01:44:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:44:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:44:24,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 01:44:24,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:44:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:44:24,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 57 conjunts are in the unsatisfiable core [2022-07-22 01:44:24,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:44:24,579 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 01:44:24,579 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 [2022-07-22 01:44:24,592 INFO L356 Elim1Store]: treesize reduction 29, result has 34.1 percent of original size [2022-07-22 01:44:24,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 45 [2022-07-22 01:44:24,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2022-07-22 01:44:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:44:24,667 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2022-07-22 01:44:24,667 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-07-22 01:44:24,794 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 46 states and 52 transitions. Complement of second has 22 states. [2022-07-22 01:44:24,795 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 [2022-07-22 01:44:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-07-22 01:44:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2022-07-22 01:44:24,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-22 01:44:24,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:44:24,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2022-07-22 01:44:24,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:44:24,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2022-07-22 01:44:24,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:44:24,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 52 transitions. [2022-07-22 01:44:24,800 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:44:24,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2022-07-22 01:44:24,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 01:44:24,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 01:44:24,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 01:44:24,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 01:44:24,802 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:44:24,803 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:44:24,803 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:44:24,803 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 01:44:24,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 01:44:24,803 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:44:24,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 01:44:24,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 01:44:24 BoogieIcfgContainer [2022-07-22 01:44:24,807 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 01:44:24,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 01:44:24,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 01:44:24,808 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 01:44:24,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:44:19" (3/4) ... [2022-07-22 01:44:24,830 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 01:44:24,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 01:44:24,831 INFO L158 Benchmark]: Toolchain (without parser) took 5699.98ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 50.6MB in the beginning and 81.0MB in the end (delta: -30.5MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2022-07-22 01:44:24,831 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 54.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:44:24,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.81ms. Allocated memory is still 67.1MB. Free memory was 50.3MB in the beginning and 51.5MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 01:44:24,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.58ms. Allocated memory is still 67.1MB. Free memory was 51.5MB in the beginning and 50.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:44:24,833 INFO L158 Benchmark]: Boogie Preprocessor took 31.37ms. Allocated memory is still 67.1MB. Free memory was 50.0MB in the beginning and 49.0MB in the end (delta: 975.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:44:24,835 INFO L158 Benchmark]: RCFGBuilder took 245.65ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 38.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 01:44:24,835 INFO L158 Benchmark]: BuchiAutomizer took 5183.61ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 38.1MB in the beginning and 25.6MB in the end (delta: 12.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2022-07-22 01:44:24,838 INFO L158 Benchmark]: Witness Printer took 22.70ms. Allocated memory is still 100.7MB. Free memory was 25.6MB in the beginning and 81.0MB in the end (delta: -55.4MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-07-22 01:44:24,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 54.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.81ms. Allocated memory is still 67.1MB. Free memory was 50.3MB in the beginning and 51.5MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.58ms. Allocated memory is still 67.1MB. Free memory was 51.5MB in the beginning and 50.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.37ms. Allocated memory is still 67.1MB. Free memory was 50.0MB in the beginning and 49.0MB in the end (delta: 975.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 245.65ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 38.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5183.61ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 38.1MB in the beginning and 25.6MB in the end (delta: 12.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 22.70ms. Allocated memory is still 100.7MB. Free memory was 25.6MB in the beginning and 81.0MB in the end (delta: -55.4MB). Peak memory consumption was 2.2MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[q][q] + unknown-#memory_int-unknown[p][p] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [0, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 15 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital276 mio100 ax100 hnf100 lsp97 ukn58 mio100 lsp34 div100 bol100 ite100 ukn100 eq174 hnf89 smp100 dnf121 smp82 tf100 neg100 sie125 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2022-07-22 01:44:24,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE