./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer --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 531407ed3b7c40d8a6107454133dd490b91ef528 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:48:40,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:48:40,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:48:40,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:48:40,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:48:40,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:48:40,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:48:40,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:48:40,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:48:40,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:48:40,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:48:40,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:48:40,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:48:40,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:48:40,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:48:40,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:48:40,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:48:40,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:48:40,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:48:40,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:48:40,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:48:40,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:48:40,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:48:40,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:48:40,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:48:40,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:48:40,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:48:40,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:48:40,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:48:40,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:48:40,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:48:40,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:48:40,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:48:40,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:48:40,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:48:40,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:48:40,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:48:40,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:48:40,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:48:40,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:48:40,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:48:40,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 15:48:40,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:48:40,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:48:40,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:48:40,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:48:40,664 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:48:40,664 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:48:40,664 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:48:40,664 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:48:40,664 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:48:40,665 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:48:40,665 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:48:40,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:48:40,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:48:40,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:48:40,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:48:40,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:48:40,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:48:40,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:48:40,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:48:40,666 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:48:40,667 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:48:40,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:48:40,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:48:40,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:48:40,667 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:48:40,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:48:40,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:48:40,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:48:40,669 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:48:40,670 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:48:40,670 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:/tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 531407ed3b7c40d8a6107454133dd490b91ef528 [2020-12-01 15:48:41,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:48:41,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:48:41,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:48:41,061 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:48:41,062 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:48:41,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.i [2020-12-01 15:48:41,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/data/c1632c6ba/e7ca84e3ee5b42afbd960598ec4d5a42/FLAG42bb56cb9 [2020-12-01 15:48:41,702 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:48:41,703 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4.i [2020-12-01 15:48:41,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/data/c1632c6ba/e7ca84e3ee5b42afbd960598ec4d5a42/FLAG42bb56cb9 [2020-12-01 15:48:42,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/data/c1632c6ba/e7ca84e3ee5b42afbd960598ec4d5a42 [2020-12-01 15:48:42,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:48:42,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:48:42,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:48:42,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:48:42,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:48:42,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336f673b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42, skipping insertion in model container [2020-12-01 15:48:42,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:48:42,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:48:42,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:48:42,312 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:48:42,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:48:42,350 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:48:42,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42 WrapperNode [2020-12-01 15:48:42,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:48:42,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:48:42,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:48:42,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:48:42,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:48:42,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:48:42,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:48:42,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:48:42,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... [2020-12-01 15:48:42,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:48:42,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:48:42,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:48:42,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:48:42,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:48:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 15:48:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-12-01 15:48:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-12-01 15:48:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-12-01 15:48:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-12-01 15:48:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:48:42,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:48:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:48:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:48:42,868 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:48:42,869 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-01 15:48:42,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:48:42 BoogieIcfgContainer [2020-12-01 15:48:42,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:48:42,872 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:48:42,873 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:48:42,879 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:48:42,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:48:42,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:48:42" (1/3) ... [2020-12-01 15:48:42,884 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2275985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:48:42, skipping insertion in model container [2020-12-01 15:48:42,884 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:48:42,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:42" (2/3) ... [2020-12-01 15:48:42,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2275985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:48:42, skipping insertion in model container [2020-12-01 15:48:42,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:48:42,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:48:42" (3/3) ... [2020-12-01 15:48:42,889 INFO L389 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex4.i [2020-12-01 15:48:42,969 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:48:42,970 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:48:42,970 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:48:42,970 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:48:42,971 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:48:42,971 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:48:42,971 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:48:42,971 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:48:42,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-12-01 15:48:43,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-12-01 15:48:43,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:48:43,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:48:43,032 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-12-01 15:48:43,032 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:48:43,032 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:48:43,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-12-01 15:48:43,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-12-01 15:48:43,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:48:43,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:48:43,038 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-12-01 15:48:43,039 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:48:43,047 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~nondet12, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(main_#t~nondet11, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet11;call write~int(main_#t~nondet12, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet12; 6#L50true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 13#fENTRYtrue [2020-12-01 15:48:43,048 INFO L796 eck$LassoCheckResult]: Loop: 13#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); 15#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;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); 18#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); 7#L31true assume !(#t~mem5 + #t~mem6 < 0);havoc #t~mem6;havoc #t~mem5;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~post8;havoc #t~mem7; 16#L36true call f(~p.base, ~p.offset, ~q.base, ~q.offset);< 13#fENTRYtrue [2020-12-01 15:48:43,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:48:43,061 INFO L82 PathProgramCache]: Analyzing trace with hash 43766, now seen corresponding path program 1 times [2020-12-01 15:48:43,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:48:43,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25606535] [2020-12-01 15:48:43,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:48:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:48:43,258 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:48:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:48:43,285 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:48:43,312 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:48:43,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:48:43,314 INFO L82 PathProgramCache]: Analyzing trace with hash 891830467, now seen corresponding path program 1 times [2020-12-01 15:48:43,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:48:43,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526117265] [2020-12-01 15:48:43,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:48:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:48:43,366 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:48:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:48:43,435 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:48:43,448 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:48:43,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:48:43,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1193795592, now seen corresponding path program 1 times [2020-12-01 15:48:43,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:48:43,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75819830] [2020-12-01 15:48:43,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:48:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:48:43,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:48:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:48:43,631 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:48:43,641 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:48:43,844 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 15:48:44,024 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-01 15:48:44,209 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 15:48:44,628 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2020-12-01 15:48:44,777 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-01 15:48:45,540 WARN L197 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2020-12-01 15:48:45,693 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-01 15:48:46,000 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-12-01 15:48:46,169 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-01 15:48:46,324 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-01 15:48:46,475 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:48:46,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:48:46,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:48:46,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:48:46,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:48:46,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:46,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:48:46,478 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:48:46,478 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex4.i_Iteration1_Lasso [2020-12-01 15:48:46,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:48:46,479 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:48:46,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:46,813 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-12-01 15:48:47,112 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2020-12-01 15:48:47,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:48:47,948 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:48:47,953 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:47,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:47,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:47,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:47,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:47,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:47,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:47,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:47,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:47,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:48:48,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:48:48,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,288 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:48:48,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:48:48,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:48:48,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:48:48,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:48:48,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:48:48,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:48:48,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:48:48,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:48:48,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:48:48,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:48:48,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:48:48,679 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:48:48,730 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-12-01 15:48:48,731 INFO L444 ModelExtractionUtils]: 2 out of 28 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0baae7-0dfe-4c90-87c6-fe0a784366c6/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:48:48,760 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:48:48,802 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 15:48:48,802 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:48:48,803 INFO L512 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 [] [2020-12-01 15:48:48,890 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-12-01 15:48:48,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:48:48,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:48:48,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:48:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:48:49,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:48:49,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:48:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:48:49,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 55 conjunts are in the unsatisfiable core [2020-12-01 15:48:49,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:48:49,265 INFO L443 ElimStorePlain]: Different costs {0=[|v_#length_50|], 1=[|v_#valid_58|]} [2020-12-01 15:48:49,290 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-01 15:48:49,291 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:48:49,312 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:48:49,327 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:48:49,328 INFO L382 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 15 [2020-12-01 15:48:49,334 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:48:49,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:48:49,342 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 15:48:49,360 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:48:49,394 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:48:49,394 INFO L382 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 44 treesize of output 72 [2020-12-01 15:48:49,411 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 15:48:49,461 INFO L625 ElimStorePlain]: treesize reduction 42, result has 60.7 percent of original size [2020-12-01 15:48:49,479 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 15:48:49,480 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:66, output treesize:44 [2020-12-01 15:48:49,614 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-01 15:48:49,616 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:48:49,630 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:48:49,633 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 15:48:49,634 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:45 [2020-12-01 15:48:49,698 INFO L382 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 46 treesize of output 29 [2020-12-01 15:48:49,701 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:48:49,714 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:48:49,720 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 15:48:49,721 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:45 [2020-12-01 15:48:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:48:49,782 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 [2020-12-01 15:48:49,784 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 7 states. [2020-12-01 15:48:50,163 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 7 states. Result 46 states and 52 transitions. Complement of second has 22 states. [2020-12-01 15:48:50,164 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 [2020-12-01 15:48:50,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-12-01 15:48:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2020-12-01 15:48:50,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2020-12-01 15:48:50,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:48:50,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2020-12-01 15:48:50,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:48:50,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2020-12-01 15:48:50,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:48:50,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 52 transitions. [2020-12-01 15:48:50,178 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:48:50,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2020-12-01 15:48:50,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:48:50,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:48:50,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:48:50,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:48:50,184 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:48:50,184 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:48:50,184 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:48:50,185 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:48:50,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:48:50,185 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:48:50,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 15:48:50,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:48:50 BoogieIcfgContainer [2020-12-01 15:48:50,191 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:48:50,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:48:50,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:48:50,193 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:48:50,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:48:42" (3/4) ... [2020-12-01 15:48:50,199 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:48:50,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:48:50,202 INFO L168 Benchmark]: Toolchain (without parser) took 8159.57 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 69.1 MB in the beginning and 87.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:48:50,207 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 107.0 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:48:50,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.67 ms. Allocated memory is still 107.0 MB. Free memory was 68.9 MB in the beginning and 82.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:48:50,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.58 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:48:50,210 INFO L168 Benchmark]: Boogie Preprocessor took 53.38 ms. Allocated memory is still 107.0 MB. Free memory was 81.5 MB in the beginning and 80.6 MB in the end (delta: 954.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:48:50,211 INFO L168 Benchmark]: RCFGBuilder took 418.83 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 67.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:48:50,212 INFO L168 Benchmark]: BuchiAutomizer took 7319.34 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 67.1 MB in the beginning and 87.9 MB in the end (delta: -20.7 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:48:50,216 INFO L168 Benchmark]: Witness Printer took 6.93 ms. Allocated memory is still 132.1 MB. Free memory is still 87.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:48:50,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 107.0 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 304.67 ms. Allocated memory is still 107.0 MB. Free memory was 68.9 MB in the beginning and 82.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.58 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.38 ms. Allocated memory is still 107.0 MB. Free memory was 81.5 MB in the beginning and 80.6 MB in the end (delta: 954.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 418.83 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 67.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7319.34 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 67.1 MB in the beginning and 87.9 MB in the end (delta: -20.7 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Witness Printer took 6.93 ms. Allocated memory is still 132.1 MB. Free memory is still 87.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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[p][p] + unknown-#memory_int-unknown[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.8s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 10 SDslu, 22 SDs, 0 SdLazy, 76 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital298 mio100 ax100 hnf100 lsp97 ukn59 mio100 lsp38 div100 bol100 ite100 ukn100 eq216 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...