./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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 cb3e7c70ff280d693624878e8ba9ec05355aa785 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:29:34,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:29:34,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:29:34,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:29:34,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:29:34,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:29:34,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:29:34,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:29:34,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:29:34,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:29:34,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:29:34,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:29:34,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:29:34,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:29:34,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:29:34,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:29:34,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:29:34,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:29:34,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:29:34,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:29:34,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:29:34,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:29:34,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:29:34,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:29:34,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:29:34,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:29:34,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:29:34,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:29:34,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:29:34,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:29:34,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:29:34,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:29:34,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:29:34,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:29:34,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:29:34,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:29:34,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:29:34,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:29:34,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:29:34,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:29:34,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:29:34,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:29:34,543 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:29:34,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:29:34,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:29:34,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:29:34,546 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:29:34,546 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:29:34,546 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:29:34,546 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:29:34,546 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:29:34,547 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:29:34,547 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:29:34,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:29:34,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:29:34,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:29:34,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:29:34,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:29:34,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:29:34,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:29:34,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:29:34,550 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:29:34,550 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:29:34,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:29:34,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:29:34,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:29:34,551 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:29:34,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:29:34,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:29:34,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:29:34,560 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:29:34,562 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:29:34,562 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_ac17129c-ca4b-480d-9ec3-1d0708984999/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb3e7c70ff280d693624878e8ba9ec05355aa785 [2020-11-30 01:29:34,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:29:34,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:29:34,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:29:34,950 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:29:34,958 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:29:34,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2020-11-30 01:29:35,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/data/926875814/4e73baacedeb42beb138c53674e82872/FLAG7b9e3fbd5 [2020-11-30 01:29:35,792 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:29:35,803 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2020-11-30 01:29:35,828 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/data/926875814/4e73baacedeb42beb138c53674e82872/FLAG7b9e3fbd5 [2020-11-30 01:29:36,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/data/926875814/4e73baacedeb42beb138c53674e82872 [2020-11-30 01:29:36,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:29:36,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:29:36,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:36,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:29:36,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:29:36,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544941ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36, skipping insertion in model container [2020-11-30 01:29:36,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:29:36,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:29:36,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:36,610 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:29:36,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:36,739 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:29:36,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36 WrapperNode [2020-11-30 01:29:36,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:36,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:36,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:29:36,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:29:36,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:36,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:29:36,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:29:36,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:29:36,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... [2020-11-30 01:29:36,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:29:36,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:29:36,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:29:36,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:29:36,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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 [2020-11-30 01:29:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:29:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:29:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:29:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:29:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:29:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:29:37,333 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:29:37,334 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:29:37,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:37 BoogieIcfgContainer [2020-11-30 01:29:37,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:29:37,338 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:29:37,338 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:29:37,342 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:29:37,343 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:29:37,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:29:36" (1/3) ... [2020-11-30 01:29:37,345 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d0bd3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:29:37, skipping insertion in model container [2020-11-30 01:29:37,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:29:37,345 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:36" (2/3) ... [2020-11-30 01:29:37,346 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d0bd3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:29:37, skipping insertion in model container [2020-11-30 01:29:37,346 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:29:37,346 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:37" (3/3) ... [2020-11-30 01:29:37,356 INFO L373 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2020-11-30 01:29:37,422 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:29:37,422 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:29:37,423 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:29:37,423 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:29:37,423 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:29:37,423 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:29:37,424 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:29:37,424 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:29:37,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-30 01:29:37,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-30 01:29:37,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:29:37,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:29:37,478 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 01:29:37,479 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:29:37,479 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:29:37,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-30 01:29:37,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-30 01:29:37,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:29:37,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:29:37,484 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 01:29:37,484 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:29:37,494 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~x~0.base, ~x~0.offset := 0, 0; 3#L-1true havoc main_#res;havoc main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet7, main_#t~ret8, main_#t~ret9, main_#t~mem6;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);~x~0.base, ~x~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, ~x~0.base, ~x~0.offset, 4);havoc main_#t~nondet5; 5#L555-2true [2020-11-30 01:29:37,495 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-2true call main_#t~mem6 := read~int(~x~0.base, ~x~0.offset, 4); 6#L554-1true assume !!(main_#t~mem6 > 0);havoc main_#t~mem6; 12#L555true assume 0 != main_#t~nondet7;havoc main_#t~nondet7;havoc foo_#res;havoc foo_#t~mem2, foo_#t~post3;call foo_#t~mem2 := read~int(~x~0.base, ~x~0.offset, 4);foo_#t~post3 := foo_#t~mem2;call write~int(foo_#t~post3 - 1, ~x~0.base, ~x~0.offset, 4);havoc foo_#t~post3;havoc foo_#t~mem2; 4#L548true main_#t~ret8 := foo_#res;havoc main_#t~ret8; 5#L555-2true [2020-11-30 01:29:37,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:37,511 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-30 01:29:37,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:37,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728725019] [2020-11-30 01:29:37,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:37,673 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:37,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:37,754 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:29:37,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:37,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1144072, now seen corresponding path program 1 times [2020-11-30 01:29:37,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:37,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117415310] [2020-11-30 01:29:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:37,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:37,821 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:37,826 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:29:37,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:37,831 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2020-11-30 01:29:37,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:37,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138017609] [2020-11-30 01:29:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:37,865 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:37,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:37,910 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:29:38,021 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-11-30 01:29:38,234 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-11-30 01:29:38,322 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:29:38,322 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:29:38,323 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:29:38,323 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:29:38,323 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:29:38,323 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:38,324 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:29:38,324 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:29:38,324 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i_Iteration1_Lasso [2020-11-30 01:29:38,324 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:29:38,325 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:29:38,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:29:38,994 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:29:39,002 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,017 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 [2020-11-30 01:29:39,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:29:39,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:29:39,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:39,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,118 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 [2020-11-30 01:29:39,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:29:39,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:29:39,123 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 [2020-11-30 01:29:39,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,185 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 [2020-11-30 01:29:39,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:29:39,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:29:39,190 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 [2020-11-30 01:29:39,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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 [2020-11-30 01:29:39,244 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 [2020-11-30 01:29:39,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:29:39,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:29:39,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:29:39,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,291 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 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:39,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:29:39,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:29:39,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,362 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 [2020-11-30 01:29:39,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:29:39,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:39,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,425 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 [2020-11-30 01:29:39,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:29:39,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:39,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,490 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 [2020-11-30 01:29:39,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:29:39,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,493 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:29:39,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,496 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:29:39,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:39,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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 [2020-11-30 01:29:39,548 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 [2020-11-30 01:29:39,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:29:39,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:29:39,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:29:39,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,604 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 [2020-11-30 01:29:39,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:29:39,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:39,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,666 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 [2020-11-30 01:29:39,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:29:39,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:29:39,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:39,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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 [2020-11-30 01:29:39,729 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 [2020-11-30 01:29:39,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:29:39,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:29:39,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,782 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 [2020-11-30 01:29:39,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:29:39,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:29:39,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:39,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,847 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 [2020-11-30 01:29:39,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:29:39,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:39,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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 [2020-11-30 01:29:39,913 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 [2020-11-30 01:29:39,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:29:39,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:29:39,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/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) [2020-11-30 01:29:39,992 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 [2020-11-30 01:29:39,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:29:39,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:29:39,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:29:39,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:29:39,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:29:39,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:40,005 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:29:40,091 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-30 01:29:40,091 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac17129c-ca4b-480d-9ec3-1d0708984999/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:29:40,120 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:29:40,124 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:29:40,125 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:29:40,125 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1) = 1*v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1 Supporting invariants [] [2020-11-30 01:29:40,202 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-11-30 01:29:40,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:29:40,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:40,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:29:40,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:29:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:40,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:29:40,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:29:40,381 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-11-30 01:29:40,386 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:29:40,394 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:29:40,394 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:29:40,395 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:19 [2020-11-30 01:29:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:40,436 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-11-30 01:29:40,438 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2020-11-30 01:29:40,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 24 states and 29 transitions. Complement of second has 9 states. [2020-11-30 01:29:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-30 01:29:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 01:29:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2020-11-30 01:29:40,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-30 01:29:40,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:29:40,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-30 01:29:40,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:29:40,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 8 letters. [2020-11-30 01:29:40,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:29:40,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2020-11-30 01:29:40,608 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:29:40,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-11-30 01:29:40,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:29:40,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:29:40,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:29:40,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:29:40,614 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:29:40,615 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:29:40,615 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:29:40,615 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:29:40,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:29:40,615 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:29:40,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:29:40,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:29:40 BoogieIcfgContainer [2020-11-30 01:29:40,623 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:29:40,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:29:40,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:29:40,624 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:29:40,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:37" (3/4) ... [2020-11-30 01:29:40,629 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:29:40,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:29:40,630 INFO L168 Benchmark]: Toolchain (without parser) took 4537.54 ms. Allocated memory was 81.8 MB in the beginning and 127.9 MB in the end (delta: 46.1 MB). Free memory was 41.3 MB in the beginning and 97.7 MB in the end (delta: -56.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:29:40,631 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 81.8 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:29:40,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.21 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 41.1 MB in the beginning and 62.8 MB in the end (delta: -21.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:29:40,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.90 ms. Allocated memory is still 100.7 MB. Free memory was 62.8 MB in the beginning and 61.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:29:40,634 INFO L168 Benchmark]: Boogie Preprocessor took 58.17 ms. Allocated memory is still 100.7 MB. Free memory was 61.3 MB in the beginning and 60.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:29:40,635 INFO L168 Benchmark]: RCFGBuilder took 461.57 ms. Allocated memory is still 100.7 MB. Free memory was 60.0 MB in the beginning and 47.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:29:40,636 INFO L168 Benchmark]: BuchiAutomizer took 3285.20 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 47.4 MB in the beginning and 97.7 MB in the end (delta: -50.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:29:40,636 INFO L168 Benchmark]: Witness Printer took 5.73 ms. Allocated memory is still 127.9 MB. Free memory is still 97.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:29:40,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 81.8 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.21 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 41.1 MB in the beginning and 62.8 MB in the end (delta: -21.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.90 ms. Allocated memory is still 100.7 MB. Free memory was 62.8 MB in the beginning and 61.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.17 ms. Allocated memory is still 100.7 MB. Free memory was 61.3 MB in the beginning and 60.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 461.57 ms. Allocated memory is still 100.7 MB. Free memory was 60.0 MB in the beginning and 47.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3285.20 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 47.4 MB in the beginning and 97.7 MB in the end (delta: -50.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.73 ms. Allocated memory is still 127.9 MB. Free memory is still 97.7 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 * 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[x][x] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 7 SDtfs, 6 SDslu, 15 SDs, 0 SdLazy, 12 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax117 hnf100 lsp76 ukn69 mio100 lsp39 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms 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...