./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.02-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_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 422e0eaf2d7a917ba2bde807c111198f2d7aea19 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:11:08,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:11:08,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:11:08,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:11:08,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:11:08,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:11:08,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:11:08,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:11:08,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:11:08,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:11:08,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:11:08,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:11:08,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:11:08,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:11:08,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:11:08,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:11:08,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:11:08,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:11:08,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:11:08,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:11:08,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:11:08,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:11:08,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:11:08,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:11:08,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:11:08,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:11:08,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:11:08,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:11:08,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:11:08,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:11:08,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:08,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:08,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:08,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:08,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:08,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:08,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:08,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:08,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:08,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:08,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:08,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 00:11:08,927 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:08,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:08,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:08,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:08,930 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:11:08,930 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:11:08,930 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:11:08,931 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:11:08,931 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:11:08,931 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:11:08,931 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:11:08,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:08,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:11:08,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:11:08,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:08,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:11:08,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:11:08,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:11:08,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:08,934 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:11:08,934 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:08,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:11:08,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:08,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:11:08,935 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:11:08,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:08,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:11:08,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:11:08,936 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:11:08,938 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:11:08,938 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_83dcee49-f77a-48c5-abbd-7362a0d67dad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422e0eaf2d7a917ba2bde807c111198f2d7aea19 [2020-11-30 00:11:09,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:09,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:09,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:09,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:09,258 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:09,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2020-11-30 00:11:09,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/data/cc2f019e7/501738dd8b0c4425ac414a09c62b5e47/FLAG0707500ba [2020-11-30 00:11:10,049 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:10,050 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2020-11-30 00:11:10,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/data/cc2f019e7/501738dd8b0c4425ac414a09c62b5e47/FLAG0707500ba [2020-11-30 00:11:10,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/bin/uautomizer/data/cc2f019e7/501738dd8b0c4425ac414a09c62b5e47 [2020-11-30 00:11:10,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:10,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:10,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:10,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:10,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:10,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:10,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606895b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10, skipping insertion in model container [2020-11-30 00:11:10,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:10,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:10,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:10,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:10,722 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:11:10,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:10,872 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:11:10,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10 WrapperNode [2020-11-30 00:11:10,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:10,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:10,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:11:10,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:11:10,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:10,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:10,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:10,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:11:10,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:11:10,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:11:10,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:10,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:10,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:10,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:10,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:10,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:11,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... [2020-11-30 00:11:11,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:11:11,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:11:11,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:11:11,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:11:11,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 00:11:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:11:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:11:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:11:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:11:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:11:11,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:11:11,383 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:11:11,383 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-30 00:11:11,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:11 BoogieIcfgContainer [2020-11-30 00:11:11,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:11:11,387 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:11:11,387 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:11:11,391 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:11:11,392 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:11:11,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:11:10" (1/3) ... [2020-11-30 00:11:11,393 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d0787c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:11:11, skipping insertion in model container [2020-11-30 00:11:11,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:11:11,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:10" (2/3) ... [2020-11-30 00:11:11,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d0787c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:11:11, skipping insertion in model container [2020-11-30 00:11:11,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:11:11,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:11" (3/3) ... [2020-11-30 00:11:11,396 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.02-alloca.i [2020-11-30 00:11:11,458 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:11:11,459 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:11:11,459 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:11:11,459 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:11:11,459 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:11:11,460 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:11:11,460 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:11:11,460 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:11:11,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-11-30 00:11:11,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 00:11:11,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:11:11,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:11:11,505 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:11:11,505 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:11:11,505 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:11:11,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-11-30 00:11:11,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 00:11:11,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:11:11,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:11:11,508 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:11:11,508 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:11:11,517 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 5#L555-3true [2020-11-30 00:11:11,526 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; 5#L555-3true [2020-11-30 00:11:11,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:11,548 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-30 00:11:11,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:11,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067280754] [2020-11-30 00:11:11,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:11,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:11,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:11,854 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:11:11,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:11,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2020-11-30 00:11:11,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:11,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741475445] [2020-11-30 00:11:11,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:11,876 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:11,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:11,897 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:11:11,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:11,904 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-11-30 00:11:11,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:11,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301841438] [2020-11-30 00:11:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:11,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:11:12,014 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:11:12,023 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:11:12,155 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-11-30 00:11:12,792 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2020-11-30 00:11:13,040 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-30 00:11:13,057 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:11:13,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:11:13,063 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:11:13,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:11:13,063 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:11:13,064 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:11:13,064 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:11:13,064 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:11:13,064 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.02-alloca.i_Iteration1_Lasso [2020-11-30 00:11:13,064 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:11:13,065 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:11:13,108 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 00:11:13,127 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 00:11:13,132 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 00:11:13,135 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 00:11:13,142 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 00:11:13,153 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 00:11:13,158 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 00:11:13,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:11:13,174 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 00:11:13,179 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 00:11:13,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:11:13,194 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 00:11:13,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:11:13,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:11:13,750 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-11-30 00:11:13,908 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-11-30 00:11:13,909 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 00:11:14,231 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2020-11-30 00:11:14,650 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:11:14,655 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 [2020-11-30 00:11:14,682 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 00:11:14,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:14,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:11:14,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:14,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:14,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:14,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:11:14,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:11:14,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:11:14,743 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 00:11:14,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:14,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:11:14,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:14,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:14,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:14,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:11:14,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:11:14,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:11:14,801 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 00:11:14,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:14,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:11:14,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:14,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:14,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:14,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:11:14,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:11:14,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 00:11:14,845 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 00:11:14,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:14,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:11:14,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:14,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:14,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:14,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:11:14,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:11:14,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 [2020-11-30 00:11:14,881 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 00:11:14,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:14,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:14,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:14,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:14,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:11:14,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:11:14,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 [2020-11-30 00:11:14,923 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 00:11:14,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:14,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:11:14,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:14,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:14,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:14,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:11:14,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:11:14,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 [2020-11-30 00:11:14,959 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 00:11:14,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:14,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:14,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:14,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:14,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:11:14,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:11:14,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 [2020-11-30 00:11:15,009 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 00:11:15,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:15,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:15,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:15,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:15,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:11:15,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:11:15,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 00:11:15,047 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 00:11:15,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:15,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:15,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:15,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:15,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:11:15,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:11:15,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 [2020-11-30 00:11:15,098 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 00:11:15,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:15,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:11:15,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:15,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:15,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:15,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:11:15,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:11:15,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 [2020-11-30 00:11:15,137 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 00:11:15,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:15,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:15,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:15,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:15,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:11:15,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:11:15,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 00:11:15,210 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 00:11:15,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:15,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:11:15,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:15,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:15,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:15,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:11:15,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:11:15,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 [2020-11-30 00:11:15,242 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 00:11:15,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:15,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:15,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:15,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:15,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:11:15,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:11:15,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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 00:11:15,324 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 00:11:15,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:11:15,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:11:15,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:11:15,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:11:15,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:11:15,340 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 00:11:15,356 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:11:15,565 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-30 00:11:15,565 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83dcee49-f77a-48c5-abbd-7362a0d67dad/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) [2020-11-30 00:11:15,589 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:11:15,593 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:11:15,594 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:11:15,595 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2020-11-30 00:11:15,752 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2020-11-30 00:11:15,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:11:15,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:11:15,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:15,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:11:15,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:11:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:15,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:11:15,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:11:15,919 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 00:11:15,942 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-30 00:11:15,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2020-11-30 00:11:16,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 21 states and 23 transitions. Complement of second has 7 states. [2020-11-30 00:11:16,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 00:11:16,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 00:11:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2020-11-30 00:11:16,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2020-11-30 00:11:16,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:11:16,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-30 00:11:16,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:11:16,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-30 00:11:16,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:11:16,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2020-11-30 00:11:16,010 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:11:16,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2020-11-30 00:11:16,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:11:16,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:11:16,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:11:16,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:11:16,014 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:11:16,014 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:11:16,015 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:11:16,015 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:11:16,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:11:16,015 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:11:16,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:11:16,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:11:16 BoogieIcfgContainer [2020-11-30 00:11:16,022 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:11:16,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:11:16,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:11:16,023 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:11:16,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:11" (3/4) ... [2020-11-30 00:11:16,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:11:16,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:11:16,028 INFO L168 Benchmark]: Toolchain (without parser) took 5731.69 ms. Allocated memory was 81.8 MB in the beginning and 125.8 MB in the end (delta: 44.0 MB). Free memory was 58.3 MB in the beginning and 47.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:16,028 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:16,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.34 ms. Allocated memory is still 81.8 MB. Free memory was 58.0 MB in the beginning and 49.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:16,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.53 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 47.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:16,031 INFO L168 Benchmark]: Boogie Preprocessor took 61.33 ms. Allocated memory is still 81.8 MB. Free memory was 47.8 MB in the beginning and 46.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:16,032 INFO L168 Benchmark]: RCFGBuilder took 376.61 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 46.7 MB in the beginning and 82.0 MB in the end (delta: -35.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:16,033 INFO L168 Benchmark]: BuchiAutomizer took 4635.17 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 82.0 MB in the beginning and 47.6 MB in the end (delta: 34.3 MB). Peak memory consumption was 56.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:16,033 INFO L168 Benchmark]: Witness Printer took 3.81 ms. Allocated memory is still 125.8 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:16,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.34 ms. Allocated memory is still 81.8 MB. Free memory was 58.0 MB in the beginning and 49.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.53 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 47.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.33 ms. Allocated memory is still 81.8 MB. Free memory was 47.8 MB in the beginning and 46.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 376.61 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 46.7 MB in the beginning and 82.0 MB in the end (delta: -35.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4635.17 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 82.0 MB in the beginning and 47.6 MB in the end (delta: 34.3 MB). Peak memory consumption was 56.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.81 ms. Allocated memory is still 125.8 MB. Free memory is still 47.6 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 -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax106 hnf100 lsp91 ukn56 mio100 lsp37 div100 bol100 ite100 ukn100 eq181 hnf88 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms 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...