./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.10-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_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 fbe99a2ebd720adb01c27af71df604a9114f73ca ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:17:31,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:31,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:31,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:31,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:31,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:31,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:31,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:32,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:32,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:32,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:32,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:32,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:32,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:32,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:32,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:32,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:32,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:32,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:32,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:32,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:32,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:32,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:32,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:32,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:32,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:32,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:32,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:32,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:32,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:32,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:32,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:32,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:32,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:32,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:32,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:32,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:32,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:32,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:32,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:32,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:32,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:17:32,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:32,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:32,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:32,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:32,125 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:32,125 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:17:32,125 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:17:32,125 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:17:32,125 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:17:32,125 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:17:32,126 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:17:32,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:32,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:17:32,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:32,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:32,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:17:32,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:17:32,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:17:32,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:32,127 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:17:32,127 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:32,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:17:32,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:32,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:32,128 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:17:32,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:32,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:32,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:32,128 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:17:32,129 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:17:32,129 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_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe99a2ebd720adb01c27af71df604a9114f73ca [2020-11-28 03:17:32,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:32,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:32,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:32,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:32,492 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:32,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2020-11-28 03:17:32,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/data/0479459a4/e38e1d934e614d38ac8b68fecfba422a/FLAG6abc7f008 [2020-11-28 03:17:33,196 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:33,202 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2020-11-28 03:17:33,234 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/data/0479459a4/e38e1d934e614d38ac8b68fecfba422a/FLAG6abc7f008 [2020-11-28 03:17:33,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/data/0479459a4/e38e1d934e614d38ac8b68fecfba422a [2020-11-28 03:17:33,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:33,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:33,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:33,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:33,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:33,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:33" (1/1) ... [2020-11-28 03:17:33,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b537c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:33, skipping insertion in model container [2020-11-28 03:17:33,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:33" (1/1) ... [2020-11-28 03:17:33,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:33,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:33,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:33,991 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:34,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:34,121 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:34,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34 WrapperNode [2020-11-28 03:17:34,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:34,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:34,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:34,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:34,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... [2020-11-28 03:17:34,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... [2020-11-28 03:17:34,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:34,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:34,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:34,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:34,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... [2020-11-28 03:17:34,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... [2020-11-28 03:17:34,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... [2020-11-28 03:17:34,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... [2020-11-28 03:17:34,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... [2020-11-28 03:17:34,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... [2020-11-28 03:17:34,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... [2020-11-28 03:17:34,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:34,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:34,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:34,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:34,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:17:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:17:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:17:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:34,847 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:34,847 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 03:17:34,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:34 BoogieIcfgContainer [2020-11-28 03:17:34,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:34,849 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:17:34,849 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:17:34,862 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:17:34,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:34,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:17:33" (1/3) ... [2020-11-28 03:17:34,865 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ef212e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:34, skipping insertion in model container [2020-11-28 03:17:34,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:34,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:34" (2/3) ... [2020-11-28 03:17:34,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ef212e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:34, skipping insertion in model container [2020-11-28 03:17:34,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:34,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:34" (3/3) ... [2020-11-28 03:17:34,869 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.10-alloca.i [2020-11-28 03:17:34,947 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:17:34,947 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:17:34,947 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:17:34,948 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:34,948 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:34,948 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:17:34,948 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:34,948 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:17:34,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-11-28 03:17:34,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-11-28 03:17:34,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:34,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:34,997 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:17:34,998 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:34,998 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:17:34,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-11-28 03:17:35,000 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-11-28 03:17:35,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:35,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:35,002 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:17:35,002 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:35,011 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 5#L559-2true [2020-11-28 03:17:35,012 INFO L796 eck$LassoCheckResult]: Loop: 5#L559-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 10#L555-1true assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 14#L555-3true test_fun_#t~short13 := test_fun_#t~short8; 16#L555-4true assume test_fun_#t~short13; 6#L555-9true test_fun_#t~short16 := test_fun_#t~short13; 8#L555-10true assume !test_fun_#t~short16; 11#L555-12true assume !!test_fun_#t~short16;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem9;havoc test_fun_#t~mem15;havoc test_fun_#t~mem6;havoc test_fun_#t~mem14;havoc test_fun_#t~short16;havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~mem7;havoc test_fun_#t~short12;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 7#L556true assume test_fun_#t~mem17 > 0;havoc test_fun_#t~mem17;call test_fun_#t~mem18 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem18 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem18; 5#L559-2true [2020-11-28 03:17:35,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:35,020 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 03:17:35,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:35,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064649968] [2020-11-28 03:17:35,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:35,193 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:35,263 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:35,299 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:35,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:35,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1790206705, now seen corresponding path program 1 times [2020-11-28 03:17:35,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:35,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97965784] [2020-11-28 03:17:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:35,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97965784] [2020-11-28 03:17:35,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:35,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:17:35,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496538976] [2020-11-28 03:17:35,437 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:17:35,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:35,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:17:35,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:17:35,455 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 4 states. [2020-11-28 03:17:35,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:35,557 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2020-11-28 03:17:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:17:35,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2020-11-28 03:17:35,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2020-11-28 03:17:35,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2020-11-28 03:17:35,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-11-28 03:17:35,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2020-11-28 03:17:35,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2020-11-28 03:17:35,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:17:35,574 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2020-11-28 03:17:35,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2020-11-28 03:17:35,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-11-28 03:17:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:17:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2020-11-28 03:17:35,608 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2020-11-28 03:17:35,608 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2020-11-28 03:17:35,609 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:17:35,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2020-11-28 03:17:35,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-11-28 03:17:35,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:35,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:35,616 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:17:35,616 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:35,617 INFO L794 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 61#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 53#L559-2 [2020-11-28 03:17:35,617 INFO L796 eck$LassoCheckResult]: Loop: 53#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 54#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 60#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 63#L555-4 assume test_fun_#t~short13; 64#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 58#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 59#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem9;havoc test_fun_#t~mem15;havoc test_fun_#t~mem6;havoc test_fun_#t~mem14;havoc test_fun_#t~short16;havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~mem7;havoc test_fun_#t~short12;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 56#L556 assume test_fun_#t~mem17 > 0;havoc test_fun_#t~mem17;call test_fun_#t~mem18 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem18 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem18; 53#L559-2 [2020-11-28 03:17:35,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:35,619 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2020-11-28 03:17:35,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:35,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724841699] [2020-11-28 03:17:35,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:35,668 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:35,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:35,719 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:35,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:35,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1790208627, now seen corresponding path program 1 times [2020-11-28 03:17:35,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:35,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720169565] [2020-11-28 03:17:35,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:35,749 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:35,780 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:35,786 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:35,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:35,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1099647153, now seen corresponding path program 1 times [2020-11-28 03:17:35,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:35,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845296587] [2020-11-28 03:17:35,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:35,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:35,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:35,917 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:36,232 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 56 [2020-11-28 03:17:36,797 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2020-11-28 03:17:36,989 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-28 03:17:37,005 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:37,007 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:37,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:37,008 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:37,009 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:37,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:37,014 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:37,014 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:37,014 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10-alloca.i_Iteration2_Lasso [2020-11-28 03:17:37,014 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:37,015 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:37,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,709 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-11-28 03:17:37,879 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-11-28 03:17:37,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:37,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:38,298 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2020-11-28 03:17:38,800 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:38,805 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:38,825 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 [2020-11-28 03:17:38,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:38,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:38,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:38,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:38,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:38,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:38,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:38,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:17:38,892 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 [2020-11-28 03:17:38,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:38,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:38,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:38,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:38,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:38,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:38,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:38,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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) [2020-11-28 03:17:38,957 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 [2020-11-28 03:17:38,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:38,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:38,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:38,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:38,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:38,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:38,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:38,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,001 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 [2020-11-28 03:17:39,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:39,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,044 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 [2020-11-28 03:17:39,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:39,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,083 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 [2020-11-28 03:17:39,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:39,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,146 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 [2020-11-28 03:17:39,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:39,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:39,183 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 [2020-11-28 03:17:39,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:39,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:39,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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) [2020-11-28 03:17:39,259 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 [2020-11-28 03:17:39,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:39,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:39,297 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 [2020-11-28 03:17:39,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:39,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,331 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 [2020-11-28 03:17:39,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:39,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:39,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:39,385 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 [2020-11-28 03:17:39,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:39,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:17:39,463 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 [2020-11-28 03:17:39,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:17:39,531 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 [2020-11-28 03:17:39,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:39,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:39,598 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 [2020-11-28 03:17:39,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:39,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:39,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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) [2020-11-28 03:17:39,663 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 [2020-11-28 03:17:39,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:39,710 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 [2020-11-28 03:17:39,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:39,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:39,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:39,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:39,758 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 [2020-11-28 03:17:39,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:39,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:39,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:39,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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) [2020-11-28 03:17:39,837 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 [2020-11-28 03:17:39,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:39,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:39,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:39,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:39,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:39,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:39,881 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:40,054 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-28 03:17:40,054 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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) [2020-11-28 03:17:40,087 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:40,092 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:17:40,093 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:40,094 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2020-11-28 03:17:40,233 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2020-11-28 03:17:40,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:17:40,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:40,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:40,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:40,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:17:40,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:40,367 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:17:40,368 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7 Second operand 4 states. [2020-11-28 03:17:40,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7. Second operand 4 states. Result 31 states and 45 transitions. Complement of second has 6 states. [2020-11-28 03:17:40,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:17:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-11-28 03:17:40,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2020-11-28 03:17:40,466 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:40,466 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 10 letters. Loop has 8 letters. [2020-11-28 03:17:40,466 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:40,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 16 letters. [2020-11-28 03:17:40,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:40,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2020-11-28 03:17:40,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-11-28 03:17:40,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 45 transitions. [2020-11-28 03:17:40,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-11-28 03:17:40,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-11-28 03:17:40,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 45 transitions. [2020-11-28 03:17:40,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:40,472 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 45 transitions. [2020-11-28 03:17:40,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 45 transitions. [2020-11-28 03:17:40,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-11-28 03:17:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-28 03:17:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2020-11-28 03:17:40,476 INFO L714 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2020-11-28 03:17:40,476 INFO L594 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2020-11-28 03:17:40,476 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:17:40,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 43 transitions. [2020-11-28 03:17:40,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-11-28 03:17:40,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:40,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:40,479 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:17:40,479 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:40,479 INFO L794 eck$LassoCheckResult]: Stem: 253#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 251#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 252#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 235#L555-1 [2020-11-28 03:17:40,479 INFO L796 eck$LassoCheckResult]: Loop: 235#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 249#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 254#L555-4 assume test_fun_#t~short13; 238#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 239#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 246#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem9;havoc test_fun_#t~mem15;havoc test_fun_#t~mem6;havoc test_fun_#t~mem14;havoc test_fun_#t~short16;havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~mem7;havoc test_fun_#t~short12;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 241#L556 assume !(test_fun_#t~mem17 > 0);havoc test_fun_#t~mem17;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 242#L559 assume !(test_fun_#t~mem19 > 0);havoc test_fun_#t~mem19; 234#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 235#L555-1 [2020-11-28 03:17:40,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:40,480 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-28 03:17:40,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:40,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683139414] [2020-11-28 03:17:40,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,500 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,542 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:40,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:40,542 INFO L82 PathProgramCache]: Analyzing trace with hash 572463690, now seen corresponding path program 1 times [2020-11-28 03:17:40,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:40,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37557552] [2020-11-28 03:17:40,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:40,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37557552] [2020-11-28 03:17:40,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:40,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:17:40,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18439612] [2020-11-28 03:17:40,682 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:17:40,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:40,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:17:40,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:40,683 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. cyclomatic complexity: 15 Second operand 5 states. [2020-11-28 03:17:40,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:40,808 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2020-11-28 03:17:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:17:40,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2020-11-28 03:17:40,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-11-28 03:17:40,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 41 transitions. [2020-11-28 03:17:40,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-11-28 03:17:40,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2020-11-28 03:17:40,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 41 transitions. [2020-11-28 03:17:40,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:40,812 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2020-11-28 03:17:40,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 41 transitions. [2020-11-28 03:17:40,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-11-28 03:17:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-28 03:17:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2020-11-28 03:17:40,816 INFO L714 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2020-11-28 03:17:40,816 INFO L594 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2020-11-28 03:17:40,816 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:17:40,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2020-11-28 03:17:40,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-11-28 03:17:40,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:40,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:40,818 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:17:40,818 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:40,818 INFO L794 eck$LassoCheckResult]: Stem: 325#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 323#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 324#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 307#L555-1 [2020-11-28 03:17:40,818 INFO L796 eck$LassoCheckResult]: Loop: 307#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 321#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 326#L555-4 assume test_fun_#t~short13; 310#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 311#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 319#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem9;havoc test_fun_#t~mem15;havoc test_fun_#t~mem6;havoc test_fun_#t~mem14;havoc test_fun_#t~short16;havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;havoc test_fun_#t~short13;havoc test_fun_#t~mem7;havoc test_fun_#t~short12;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 314#L556 assume !(test_fun_#t~mem17 > 0);havoc test_fun_#t~mem17;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 315#L559 assume test_fun_#t~mem19 > 0;havoc test_fun_#t~mem19;call test_fun_#t~mem20 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem20 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem20; 306#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 307#L555-1 [2020-11-28 03:17:40,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:40,822 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-11-28 03:17:40,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:40,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370033319] [2020-11-28 03:17:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,902 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:40,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:40,908 INFO L82 PathProgramCache]: Analyzing trace with hash 572463628, now seen corresponding path program 1 times [2020-11-28 03:17:40,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:40,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4216137] [2020-11-28 03:17:40,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:40,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:40,941 INFO L82 PathProgramCache]: Analyzing trace with hash -198955831, now seen corresponding path program 1 times [2020-11-28 03:17:40,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:40,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288992911] [2020-11-28 03:17:40,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,983 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:41,026 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:41,032 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:41,428 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2020-11-28 03:17:42,128 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 91 [2020-11-28 03:17:42,380 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-28 03:17:42,385 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:42,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:42,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:42,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:42,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:42,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:42,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:42,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:42,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10-alloca.i_Iteration4_Lasso [2020-11-28 03:17:42,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:42,387 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:42,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,572 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-11-28 03:17:43,793 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-11-28 03:17:43,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:44,148 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-11-28 03:17:44,739 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-11-28 03:17:44,883 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-11-28 03:17:44,981 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:44,981 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,015 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 [2020-11-28 03:17:45,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:45,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:45,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:45,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,046 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 [2020-11-28 03:17:45,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:45,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:45,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:45,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:45,076 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 [2020-11-28 03:17:45,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:45,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:45,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:45,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:45,115 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 [2020-11-28 03:17:45,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:45,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:45,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:45,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:45,145 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 [2020-11-28 03:17:45,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:45,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:45,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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 [2020-11-28 03:17:45,211 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 [2020-11-28 03:17:45,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:45,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:45,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:45,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,245 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 [2020-11-28 03:17:45,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:45,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:45,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:45,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,277 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 [2020-11-28 03:17:45,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:45,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:45,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:45,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:45,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:45,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,395 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 [2020-11-28 03:17:45,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:45,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:45,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,454 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 [2020-11-28 03:17:45,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:45,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:45,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,487 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 [2020-11-28 03:17:45,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:45,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:45,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:17:45,535 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:45,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:45,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:45,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:45,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,606 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 [2020-11-28 03:17:45,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:45,608 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-28 03:17:45,608 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:17:45,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:45,656 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-11-28 03:17:45,657 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:17:45,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:45,885 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-28 03:17:45,885 INFO L444 ModelExtractionUtils]: 40 out of 56 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd2cefc-35fe-4aa7-b92f-b1ebf4b88acd/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:45,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:45,895 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-11-28 03:17:45,895 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:45,896 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2020-11-28 03:17:46,041 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2020-11-28 03:17:46,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:17:46,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:46,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:46,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:46,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:17:46,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:46,123 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:17:46,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:17:46,365 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:17:46,366 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2020-11-28 03:17:46,377 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-11-28 03:17:46,381 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:17:46,387 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:17:46,481 INFO L625 ElimStorePlain]: treesize reduction 62, result has 61.5 percent of original size [2020-11-28 03:17:46,486 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:17:46,499 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:17:46,503 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-28 03:17:46,503 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:99 [2020-11-28 03:17:46,505 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:17:46,519 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:18:00,053 WARN L193 SmtUtils]: Spent 12.76 s on a formula simplification that was a NOOP. DAG size: 43 [2020-11-28 03:18:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:00,054 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2020-11-28 03:18:00,055 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 13 Second operand 7 states. [2020-11-28 03:18:01,336 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 13. Second operand 7 states. Result 60 states and 89 transitions. Complement of second has 10 states. [2020-11-28 03:18:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:18:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2020-11-28 03:18:01,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 3 letters. Loop has 9 letters. [2020-11-28 03:18:01,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:01,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 12 letters. Loop has 9 letters. [2020-11-28 03:18:01,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:01,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 3 letters. Loop has 18 letters. [2020-11-28 03:18:01,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:01,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 89 transitions. [2020-11-28 03:18:01,342 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:18:01,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2020-11-28 03:18:01,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:18:01,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:18:01,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:18:01,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:18:01,343 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:01,343 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:01,343 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:01,343 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:18:01,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:18:01,343 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:18:01,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:18:01,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:18:01 BoogieIcfgContainer [2020-11-28 03:18:01,348 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:18:01,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:18:01,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:18:01,350 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:18:01,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:34" (3/4) ... [2020-11-28 03:18:01,355 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:18:01,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:18:01,356 INFO L168 Benchmark]: Toolchain (without parser) took 27860.19 ms. Allocated memory was 125.8 MB in the beginning and 232.8 MB in the end (delta: 107.0 MB). Free memory was 90.5 MB in the beginning and 101.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:01,357 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:01,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.41 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 91.0 MB in the end (delta: -826.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:01,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.98 ms. Allocated memory is still 125.8 MB. Free memory was 91.0 MB in the beginning and 89.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:01,359 INFO L168 Benchmark]: Boogie Preprocessor took 70.21 ms. Allocated memory is still 125.8 MB. Free memory was 89.7 MB in the beginning and 88.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:01,360 INFO L168 Benchmark]: RCFGBuilder took 567.85 ms. Allocated memory is still 125.8 MB. Free memory was 88.1 MB in the beginning and 70.1 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:01,361 INFO L168 Benchmark]: BuchiAutomizer took 26498.94 ms. Allocated memory was 125.8 MB in the beginning and 232.8 MB in the end (delta: 107.0 MB). Free memory was 70.1 MB in the beginning and 101.9 MB in the end (delta: -31.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:01,361 INFO L168 Benchmark]: Witness Printer took 5.43 ms. Allocated memory is still 232.8 MB. Free memory is still 101.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:01,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 622.41 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 91.0 MB in the end (delta: -826.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.98 ms. Allocated memory is still 125.8 MB. Free memory was 91.0 MB in the beginning and 89.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.21 ms. Allocated memory is still 125.8 MB. Free memory was 89.7 MB in the beginning and 88.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 567.85 ms. Allocated memory is still 125.8 MB. Free memory was 88.1 MB in the beginning and 70.1 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 26498.94 ms. Allocated memory was 125.8 MB in the beginning and 232.8 MB in the end (delta: 107.0 MB). Free memory was 70.1 MB in the beginning and 101.9 MB in the end (delta: -31.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.43 ms. Allocated memory is still 232.8 MB. Free memory is still 101.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 10.4s. Construction of modules took 1.3s. Büchi inclusion checks took 14.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 30 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 56 SDtfs, 27 SDslu, 103 SDs, 0 SdLazy, 100 SolverSat, 16 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 1.3s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital286 mio100 ax106 hnf99 lsp93 ukn78 mio100 lsp30 div100 bol106 ite100 ukn100 eq163 hnf89 smp95 dnf221 smp73 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 293ms VariablesStem: 10 VariablesLoop: 7 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...