./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/array07_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_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/array07_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 77498d00b446eec99f943fd8f68173cd9df2461a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:32:01,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:32:01,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:32:01,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:32:01,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:32:01,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:32:01,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:32:01,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:32:01,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:32:01,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:32:01,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:32:01,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:32:01,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:32:01,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:32:01,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:32:01,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:32:01,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:32:01,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:32:01,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:32:01,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:32:01,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:32:01,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:32:01,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:32:01,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:32:01,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:32:01,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:32:01,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:32:01,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:32:01,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:32:01,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:32:01,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:32:01,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:32:01,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:32:01,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:32:01,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:32:01,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:32:01,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:32:01,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:32:01,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:32:01,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:32:01,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:32:01,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 00:32:01,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:32:01,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:32:01,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:32:01,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:32:01,752 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:32:01,752 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:32:01,752 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:32:01,752 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:32:01,753 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:32:01,753 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:32:01,753 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:32:01,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:32:01,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:32:01,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:32:01,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:32:01,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:32:01,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:32:01,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:32:01,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:32:01,773 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:32:01,774 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:32:01,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:32:01,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:32:01,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:32:01,775 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:32:01,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:32:01,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:32:01,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:32:01,776 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:32:01,777 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:32:01,777 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_4c8b65b5-dd11-44df-a475-aa982fc87120/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77498d00b446eec99f943fd8f68173cd9df2461a [2020-11-30 00:32:02,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:32:02,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:32:02,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:32:02,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:32:02,129 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:32:02,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/../../sv-benchmarks/c/termination-15/array07_alloca.i [2020-11-30 00:32:02,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/data/7f9628170/20e4562b00ba4e9faf561e0169f781a8/FLAG141b3c3a2 [2020-11-30 00:32:02,839 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:32:02,840 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/sv-benchmarks/c/termination-15/array07_alloca.i [2020-11-30 00:32:02,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/data/7f9628170/20e4562b00ba4e9faf561e0169f781a8/FLAG141b3c3a2 [2020-11-30 00:32:03,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/data/7f9628170/20e4562b00ba4e9faf561e0169f781a8 [2020-11-30 00:32:03,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:32:03,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:32:03,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:32:03,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:32:03,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:32:03,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c681bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03, skipping insertion in model container [2020-11-30 00:32:03,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:32:03,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:32:03,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:32:03,627 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:32:03,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:32:03,821 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:32:03,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03 WrapperNode [2020-11-30 00:32:03,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:32:03,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:32:03,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:32:03,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:32:03,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:32:03,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:32:03,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:32:03,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:32:03,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... [2020-11-30 00:32:03,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:32:03,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:32:03,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:32:03,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:32:03,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:32:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:32:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:32:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:32:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:32:04,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:32:04,520 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:32:04,521 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 00:32:04,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:32:04 BoogieIcfgContainer [2020-11-30 00:32:04,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:32:04,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:32:04,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:32:04,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:32:04,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:32:04,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:32:03" (1/3) ... [2020-11-30 00:32:04,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f44b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:32:04, skipping insertion in model container [2020-11-30 00:32:04,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:32:04,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:03" (2/3) ... [2020-11-30 00:32:04,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f44b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:32:04, skipping insertion in model container [2020-11-30 00:32:04,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:32:04,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:32:04" (3/3) ... [2020-11-30 00:32:04,538 INFO L373 chiAutomizerObserver]: Analyzing ICFG array07_alloca.i [2020-11-30 00:32:04,615 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:32:04,616 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:32:04,616 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:32:04,616 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:32:04,616 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:32:04,617 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:32:04,617 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:32:04,617 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:32:04,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-30 00:32:04,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-11-30 00:32:04,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:32:04,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:32:04,664 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-30 00:32:04,664 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:32:04,665 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:32:04,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-30 00:32:04,668 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-11-30 00:32:04,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:32:04,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:32:04,670 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-30 00:32:04,670 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:32:04,679 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 14#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 11#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 15#L370-3true [2020-11-30 00:32:04,679 INFO L796 eck$LassoCheckResult]: Loop: 15#L370-3true assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet208; 13#L370-2true main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 15#L370-3true [2020-11-30 00:32:04,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:04,688 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2020-11-30 00:32:04,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:04,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447859413] [2020-11-30 00:32:04,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:04,840 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:04,882 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:04,913 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:32:04,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:04,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2020-11-30 00:32:04,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:04,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800985084] [2020-11-30 00:32:04,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:04,946 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:04,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:04,972 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:32:04,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:04,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2020-11-30 00:32:04,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:04,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453244949] [2020-11-30 00:32:04,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:05,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:05,054 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:05,066 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:32:05,428 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-11-30 00:32:05,563 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:32:05,564 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:32:05,564 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:32:05,564 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:32:05,564 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:32:05,565 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:05,565 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:32:05,565 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:32:05,565 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration1_Lasso [2020-11-30 00:32:05,566 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:32:05,566 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:32:05,594 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 00:32:05,603 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 00:32:05,609 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 00:32:05,617 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 00:32:05,772 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-11-30 00:32:05,834 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 00:32:05,839 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 00:32:05,844 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 00:32:05,876 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 00:32:05,882 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 00:32:06,357 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:32:06,368 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:06,379 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 00:32:06,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:06,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:06,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:06,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:06,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:06,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:32:06,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:32:06,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:06,421 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 00:32:06,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:06,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:06,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:06,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:06,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:06,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:32:06,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:32:06,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:06,485 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:06,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:06,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:06,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:06,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:06,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:32:06,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:32:06,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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) [2020-11-30 00:32:06,560 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 00:32:06,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:06,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:06,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:06,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:06,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:32:06,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:32:06,614 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:32:06,679 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-11-30 00:32:06,680 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:06,718 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:06,722 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:32:06,723 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:32:06,723 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~arr~0.offset) = 2*v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1 - 4*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~arr~0.offset Supporting invariants [] [2020-11-30 00:32:06,782 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2020-11-30 00:32:06,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 00:32:06,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:06,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:32:06,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:32:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:06,886 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 00:32:06,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:32:06,919 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 00:32:06,941 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-30 00:32:06,943 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2020-11-30 00:32:07,084 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 27 states and 37 transitions. Complement of second has 9 states. [2020-11-30 00:32:07,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 00:32:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 00:32:07,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-11-30 00:32:07,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-30 00:32:07,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:32:07,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-30 00:32:07,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:32:07,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2020-11-30 00:32:07,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:32:07,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 37 transitions. [2020-11-30 00:32:07,102 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:32:07,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 10 states and 13 transitions. [2020-11-30 00:32:07,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-30 00:32:07,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-30 00:32:07,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2020-11-30 00:32:07,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:32:07,112 INFO L691 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-30 00:32:07,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2020-11-30 00:32:07,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-30 00:32:07,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-30 00:32:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-11-30 00:32:07,147 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-30 00:32:07,147 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-30 00:32:07,148 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:32:07,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-11-30 00:32:07,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:32:07,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:32:07,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:32:07,152 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:32:07,152 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:32:07,153 INFO L794 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 108#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 109#L367 assume !(main_~length~0 < 1); 113#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 114#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 115#L370-3 assume !(main_~i~0 < main_~length~0); 111#L370-4 main_~j~0 := 0; 110#L374-2 [2020-11-30 00:32:07,153 INFO L796 eck$LassoCheckResult]: Loop: 110#L374-2 assume !!(0 <= main_~j~0 && main_~j~0 < main_~length~0);call main_#t~mem209 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);main_#t~post210 := main_#t~mem209;call write~int(main_#t~post210 - 1, main_~arr~0.base, main_~arr~0.offset, 4);main_~j~0 := main_~j~0 - main_#t~post210;havoc main_#t~mem209;havoc main_#t~post210; 110#L374-2 [2020-11-30 00:32:07,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:07,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2020-11-30 00:32:07,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:07,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286702274] [2020-11-30 00:32:07,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:07,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286702274] [2020-11-30 00:32:07,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:07,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:32:07,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070862638] [2020-11-30 00:32:07,268 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:32:07,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:07,268 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-11-30 00:32:07,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:07,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299847816] [2020-11-30 00:32:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:07,288 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:07,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:07,295 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:32:07,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:07,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:32:07,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:32:07,372 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-30 00:32:07,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:07,414 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-11-30 00:32:07,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:32:07,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2020-11-30 00:32:07,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:32:07,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2020-11-30 00:32:07,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-11-30 00:32:07,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-30 00:32:07,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2020-11-30 00:32:07,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:32:07,418 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-11-30 00:32:07,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2020-11-30 00:32:07,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-11-30 00:32:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-30 00:32:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-11-30 00:32:07,420 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-30 00:32:07,420 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-30 00:32:07,420 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:32:07,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2020-11-30 00:32:07,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:32:07,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:32:07,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:32:07,421 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:32:07,425 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:32:07,425 INFO L794 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 137#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 138#L367 assume !(main_~length~0 < 1); 141#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 142#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 143#L370-3 assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet208; 144#L370-2 main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 145#L370-3 assume !(main_~i~0 < main_~length~0); 139#L370-4 main_~j~0 := 0; 136#L374-2 [2020-11-30 00:32:07,426 INFO L796 eck$LassoCheckResult]: Loop: 136#L374-2 assume !!(0 <= main_~j~0 && main_~j~0 < main_~length~0);call main_#t~mem209 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);main_#t~post210 := main_#t~mem209;call write~int(main_#t~post210 - 1, main_~arr~0.base, main_~arr~0.offset, 4);main_~j~0 := main_~j~0 - main_#t~post210;havoc main_#t~mem209;havoc main_#t~post210; 136#L374-2 [2020-11-30 00:32:07,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:07,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1182969107, now seen corresponding path program 1 times [2020-11-30 00:32:07,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:07,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837217827] [2020-11-30 00:32:07,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:07,456 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:07,492 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:07,497 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:32:07,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:07,501 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 2 times [2020-11-30 00:32:07,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:07,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815782590] [2020-11-30 00:32:07,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:07,508 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:07,513 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:07,515 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:32:07,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:07,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1982663310, now seen corresponding path program 1 times [2020-11-30 00:32:07,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:07,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037465607] [2020-11-30 00:32:07,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:07,532 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:32:07,546 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:32:07,551 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:32:07,787 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2020-11-30 00:32:07,863 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:32:07,864 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:32:07,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:32:07,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:32:07,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:32:07,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:07,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:32:07,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:32:07,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration3_Lasso [2020-11-30 00:32:07,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:32:07,865 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:32:07,869 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 00:32:07,875 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 00:32:07,878 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 00:32:07,882 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 00:32:07,885 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 00:32:07,892 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 00:32:07,908 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 00:32:07,914 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 00:32:08,069 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-11-30 00:32:08,121 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 00:32:08,282 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-11-30 00:32:08,521 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:32:08,521 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:08,529 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 00:32:08,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:08,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:08,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:08,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:08,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:08,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:32:08,533 INFO L402 nArgumentSynthesizer]: A total of 0 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 00:32:08,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:08,582 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 00:32:08,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:08,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:08,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:08,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:08,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:08,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:32:08,586 INFO L402 nArgumentSynthesizer]: A total of 0 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 00:32:08,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:08,634 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 00:32:08,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:08,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:08,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:08,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:08,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:32:08,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:32:08,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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) [2020-11-30 00:32:08,718 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 00:32:08,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:08,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:08,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:08,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:08,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:08,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:32:08,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:08,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:08,765 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 00:32:08,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:08,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:08,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:08,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:08,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:08,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:32:08,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:32:08,770 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:08,814 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 00:32:08,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:08,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:08,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:08,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:08,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:08,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:32:08,818 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 00:32:08,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:08,861 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 00:32:08,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:08,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:08,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:08,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:08,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:32:08,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:32:08,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:08,917 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 00:32:08,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:08,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:08,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:08,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:08,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:32:08,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:32:08,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:08,958 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 00:32:08,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:08,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:08,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:08,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:08,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:32:08,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:32:09,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:09,047 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 00:32:09,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:09,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:32:09,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:32:09,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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 00:32:09,125 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 00:32:09,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:09,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:32:09,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:32:09,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,204 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 00:32:09,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:09,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:32:09,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:32:09,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:32:09,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 00:32:09,240 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,244 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 00:32:09,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:09,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,247 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:32:09,247 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:32:09,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:32:09,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,279 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 00:32:09,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:09,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,281 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:32:09,282 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:32:09,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:32:09,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,327 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 00:32:09,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,330 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:32:09,333 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:32:09,333 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 00:32:09,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:32:09,404 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 00:32:09,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:09,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,406 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:32:09,408 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:32:09,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:32:09,445 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:09,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,447 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:32:09,448 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:32:09,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:32:09,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,478 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 00:32:09,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:32:09,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,480 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:32:09,481 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 00:32:09,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:32:09,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,510 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 00:32:09,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,512 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:32:09,516 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:32:09,516 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 00:32:09,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,559 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 00:32:09,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,561 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:32:09,566 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:32:09,566 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 00:32:09,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,610 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 00:32:09,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:32:09,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:32:09,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:32:09,615 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 00:32:09,633 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 00:32:09,634 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 00:32:09,662 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:32:09,754 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2020-11-30 00:32:09,755 INFO L444 ModelExtractionUtils]: 26 out of 46 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c8b65b5-dd11-44df-a475-aa982fc87120/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:32:09,760 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:32:09,765 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2020-11-30 00:32:09,766 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:32:09,766 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*v_rep(select #length ULTIMATE.start_main_~arr~0.base)_2 + 2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0.base) ULTIMATE.start_main_~arr~0.offset)_1 f1 = -2*ULTIMATE.start_main_~j~0 + 2*ULTIMATE.start_main_~length~0 Supporting invariants [] [2020-11-30 00:32:09,808 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-11-30 00:32:09,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 00:32:09,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:32:09,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 00:32:09,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:32:09,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 00:32:09,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:32:09,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:09,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:32:09,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:32:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:09,875 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:32:09,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:32:09,876 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 00:32:09,876 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-11-30 00:32:09,876 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-11-30 00:32:09,884 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 11 states and 13 transitions. Complement of second has 2 states. [2020-11-30 00:32:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-11-30 00:32:09,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-30 00:32:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 11 transitions. [2020-11-30 00:32:09,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 1 letters. [2020-11-30 00:32:09,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:32:09,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 10 letters. Loop has 1 letters. [2020-11-30 00:32:09,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:32:09,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 2 letters. [2020-11-30 00:32:09,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:32:09,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2020-11-30 00:32:09,887 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:32:09,888 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2020-11-30 00:32:09,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:32:09,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:32:09,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:32:09,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:32:09,888 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:32:09,888 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:32:09,888 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:32:09,888 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 00:32:09,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:32:09,889 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:32:09,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:32:09,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:32:09 BoogieIcfgContainer [2020-11-30 00:32:09,895 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:32:09,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:32:09,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:32:09,896 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:32:09,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:32:04" (3/4) ... [2020-11-30 00:32:09,903 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:32:09,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:32:09,905 INFO L168 Benchmark]: Toolchain (without parser) took 6792.91 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 99.6 MB in the beginning and 79.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 45.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:09,906 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 81.8 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:32:09,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.97 ms. Allocated memory is still 119.5 MB. Free memory was 99.2 MB in the beginning and 74.4 MB in the end (delta: 24.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:09,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.03 ms. Allocated memory is still 119.5 MB. Free memory was 74.4 MB in the beginning and 72.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:09,908 INFO L168 Benchmark]: Boogie Preprocessor took 52.78 ms. Allocated memory is still 119.5 MB. Free memory was 72.7 MB in the beginning and 71.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:32:09,915 INFO L168 Benchmark]: RCFGBuilder took 570.29 ms. Allocated memory is still 119.5 MB. Free memory was 71.4 MB in the beginning and 58.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:09,916 INFO L168 Benchmark]: BuchiAutomizer took 5368.05 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 58.8 MB in the beginning and 79.9 MB in the end (delta: -21.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:09,916 INFO L168 Benchmark]: Witness Printer took 8.17 ms. Allocated memory is still 144.7 MB. Free memory is still 79.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:32:09,926 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 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 710.97 ms. Allocated memory is still 119.5 MB. Free memory was 99.2 MB in the beginning and 74.4 MB in the end (delta: 24.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.03 ms. Allocated memory is still 119.5 MB. Free memory was 74.4 MB in the beginning and 72.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.78 ms. Allocated memory is still 119.5 MB. Free memory was 72.7 MB in the beginning and 71.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 570.29 ms. Allocated memory is still 119.5 MB. Free memory was 71.4 MB in the beginning and 58.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5368.05 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 58.8 MB in the beginning and 79.9 MB in the end (delta: -21.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 8.17 ms. Allocated memory is still 144.7 MB. Free memory is still 79.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] + -4 * i + -1 * arr and consists of 6 locations. One deterministic module has 2-nested ranking function (if unknown-#length-unknown[arr] + 2 * unknown-#memory_int-unknown[arr][arr] > 0 then 1 else 0), (if unknown-#length-unknown[arr] + 2 * unknown-#memory_int-unknown[arr][arr] > 0 then unknown-#length-unknown[arr] + 2 * unknown-#memory_int-unknown[arr][arr] else -2 * j + 2 * length) and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 25 SDtfs, 30 SDslu, 11 SDs, 0 SdLazy, 30 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf98 lsp94 ukn81 mio100 lsp67 div100 bol100 ite100 ukn100 eq174 hnf89 smp98 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 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...