./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/array07_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/array07_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 77498d00b446eec99f943fd8f68173cd9df2461a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:36:31,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:36:31,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:36:32,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:36:32,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:36:32,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:36:32,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:36:32,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:36:32,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:36:32,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:36:32,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:36:32,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:36:32,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:36:32,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:36:32,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:36:32,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:36:32,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:36:32,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:36:32,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:36:32,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:36:32,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:36:32,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:36:32,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:36:32,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:36:32,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:36:32,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:36:32,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:36:32,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:36:32,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:36:32,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:36:32,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:36:32,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:36:32,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:36:32,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:36:32,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:36:32,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:36:32,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:36:32,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:36:32,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:36:32,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:36:32,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:36:32,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 15:36:32,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:36:32,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:36:32,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:36:32,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:36:32,206 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:36:32,206 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:36:32,206 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:36:32,207 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:36:32,207 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:36:32,207 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:36:32,208 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:36:32,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:36:32,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:36:32,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:36:32,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:36:32,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:36:32,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:36:32,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:36:32,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:36:32,211 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:36:32,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:36:32,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:36:32,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:36:32,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:36:32,213 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:36:32,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:36:32,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:36:32,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:36:32,214 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:36:32,215 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:36:32,216 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_1d1a1353-a203-4253-892b-8d93aff30c72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77498d00b446eec99f943fd8f68173cd9df2461a [2020-12-01 15:36:32,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:36:32,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:36:32,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:36:32,588 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:36:32,589 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:36:32,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/../../sv-benchmarks/c/termination-15/array07_alloca.i [2020-12-01 15:36:32,682 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/data/49f9e2d03/933fd241a6ff4152b5f46aa3d818f18e/FLAG91e6f5d17 [2020-12-01 15:36:33,353 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:36:33,354 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/sv-benchmarks/c/termination-15/array07_alloca.i [2020-12-01 15:36:33,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/data/49f9e2d03/933fd241a6ff4152b5f46aa3d818f18e/FLAG91e6f5d17 [2020-12-01 15:36:33,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/data/49f9e2d03/933fd241a6ff4152b5f46aa3d818f18e [2020-12-01 15:36:33,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:36:33,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:36:33,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:36:33,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:36:33,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:36:33,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:36:33" (1/1) ... [2020-12-01 15:36:33,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e45c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:33, skipping insertion in model container [2020-12-01 15:36:33,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:36:33" (1/1) ... [2020-12-01 15:36:33,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:36:33,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:36:34,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:36:34,143 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:36:34,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:36:34,320 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:36:34,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34 WrapperNode [2020-12-01 15:36:34,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:36:34,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:36:34,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:36:34,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:36:34,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... [2020-12-01 15:36:34,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... [2020-12-01 15:36:34,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:36:34,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:36:34,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:36:34,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:36:34,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... [2020-12-01 15:36:34,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... [2020-12-01 15:36:34,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... [2020-12-01 15:36:34,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... [2020-12-01 15:36:34,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... [2020-12-01 15:36:34,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... [2020-12-01 15:36:34,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... [2020-12-01 15:36:34,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:36:34,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:36:34,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:36:34,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:36:34,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:36:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:36:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:36:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:36:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:36:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:36:34,875 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:36:34,878 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 15:36:34,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:36:34 BoogieIcfgContainer [2020-12-01 15:36:34,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:36:34,888 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:36:34,889 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:36:34,894 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:36:34,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:36:34,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:36:33" (1/3) ... [2020-12-01 15:36:34,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@798ef0c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:36:34, skipping insertion in model container [2020-12-01 15:36:34,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:36:34,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:34" (2/3) ... [2020-12-01 15:36:34,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@798ef0c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:36:34, skipping insertion in model container [2020-12-01 15:36:34,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:36:34,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:36:34" (3/3) ... [2020-12-01 15:36:34,900 INFO L389 chiAutomizerObserver]: Analyzing ICFG array07_alloca.i [2020-12-01 15:36:34,992 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:36:34,992 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:36:34,992 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:36:34,992 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:36:34,993 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:36:34,993 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:36:34,993 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:36:34,993 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:36:35,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-12-01 15:36:35,031 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-12-01 15:36:35,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:36:35,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:36:35,039 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-12-01 15:36:35,039 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-12-01 15:36:35,039 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:36:35,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-12-01 15:36:35,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-12-01 15:36:35,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:36:35,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:36:35,042 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-12-01 15:36:35,043 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-12-01 15:36:35,051 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 14#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 11#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 15#L370-3true [2020-12-01 15:36:35,052 INFO L796 eck$LassoCheckResult]: Loop: 15#L370-3true assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet208; 13#L370-2true main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 15#L370-3true [2020-12-01 15:36:35,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:35,059 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2020-12-01 15:36:35,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:36:35,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689363002] [2020-12-01 15:36:35,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:36:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:35,257 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:35,289 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:35,321 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:36:35,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:35,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2020-12-01 15:36:35,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:36:35,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270521437] [2020-12-01 15:36:35,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:36:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:35,356 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:35,371 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:35,376 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:36:35,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:35,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2020-12-01 15:36:35,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:36:35,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683714445] [2020-12-01 15:36:35,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:36:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:35,418 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:35,435 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:35,442 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:36:35,672 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-12-01 15:36:35,780 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:36:35,781 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:36:35,781 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:36:35,781 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:36:35,782 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:36:35,782 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:35,782 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:36:35,782 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:36:35,782 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration1_Lasso [2020-12-01 15:36:35,783 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:36:35,783 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:36:35,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:35,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:35,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:35,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:36,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:36,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:36,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:36,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:36,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:36,296 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:36:36,302 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:36,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:36,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:36,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:36,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:36,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:36,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:36,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:36:36,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:36,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:36,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:36,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:36,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:36,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:36,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:36,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:36,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:36:36,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:36,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:36,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:36,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:36,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:36,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:36,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:36,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:36:36,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:36:36,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:36,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:36,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:36,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:36,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:36,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:36,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:36:36,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:36:36,604 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:36:36,681 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-12-01 15:36:36,681 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:36,691 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:36,718 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 15:36:36,718 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:36:36,719 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~arr~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1) = -4*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~arr~0.offset + 2*v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1 Supporting invariants [] [2020-12-01 15:36:36,773 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2020-12-01 15:36:36,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 15:36:36,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:36:36,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:36:36,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:36:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:36:36,884 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 15:36:36,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:36:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:36:36,950 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-12-01 15:36:36,952 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2020-12-01 15:36:37,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 27 states and 37 transitions. Complement of second has 9 states. [2020-12-01 15:36:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-12-01 15:36:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 15:36:37,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-12-01 15:36:37,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2020-12-01 15:36:37,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:36:37,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2020-12-01 15:36:37,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:36:37,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2020-12-01 15:36:37,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:36:37,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 37 transitions. [2020-12-01 15:36:37,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-12-01 15:36:37,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 10 states and 13 transitions. [2020-12-01 15:36:37,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-12-01 15:36:37,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-12-01 15:36:37,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2020-12-01 15:36:37,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:36:37,137 INFO L692 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-12-01 15:36:37,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2020-12-01 15:36:37,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-12-01 15:36:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-01 15:36:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-12-01 15:36:37,170 INFO L715 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-12-01 15:36:37,170 INFO L595 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-12-01 15:36:37,171 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:36:37,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-12-01 15:36:37,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-12-01 15:36:37,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:36:37,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:36:37,174 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:36:37,174 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-12-01 15:36:37,175 INFO L794 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 108#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 109#L367 assume !(main_~length~0 < 1); 113#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 114#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 115#L370-3 assume !(main_~i~0 < main_~length~0); 111#L370-4 main_~j~0 := 0; 110#L374-2 [2020-12-01 15:36:37,176 INFO L796 eck$LassoCheckResult]: Loop: 110#L374-2 assume !!(0 <= main_~j~0 && main_~j~0 < main_~length~0);call main_#t~mem209 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);main_#t~post210 := main_#t~mem209;call write~int(main_#t~post210 - 1, main_~arr~0.base, main_~arr~0.offset, 4);main_~j~0 := main_~j~0 - main_#t~post210;havoc main_#t~post210;havoc main_#t~mem209; 110#L374-2 [2020-12-01 15:36:37,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:37,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2020-12-01 15:36:37,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:36:37,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627106162] [2020-12-01 15:36:37,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:36:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:36:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:36:37,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627106162] [2020-12-01 15:36:37,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:36:37,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:36:37,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855471157] [2020-12-01 15:36:37,297 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 15:36:37,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:37,297 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-12-01 15:36:37,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:36:37,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182249638] [2020-12-01 15:36:37,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:36:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:37,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:37,335 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:37,339 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:36:37,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:36:37,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:36:37,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:36:37,402 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-12-01 15:36:37,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:36:37,496 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-12-01 15:36:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:36:37,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2020-12-01 15:36:37,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-12-01 15:36:37,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2020-12-01 15:36:37,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-12-01 15:36:37,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-12-01 15:36:37,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2020-12-01 15:36:37,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:36:37,504 INFO L692 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-12-01 15:36:37,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2020-12-01 15:36:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-01 15:36:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-01 15:36:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-12-01 15:36:37,506 INFO L715 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-12-01 15:36:37,506 INFO L595 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-12-01 15:36:37,506 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-12-01 15:36:37,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2020-12-01 15:36:37,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-12-01 15:36:37,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:36:37,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:36:37,508 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:36:37,508 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-12-01 15:36:37,508 INFO L794 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 137#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 138#L367 assume !(main_~length~0 < 1); 141#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 142#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 143#L370-3 assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet208; 144#L370-2 main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 145#L370-3 assume !(main_~i~0 < main_~length~0); 139#L370-4 main_~j~0 := 0; 136#L374-2 [2020-12-01 15:36:37,508 INFO L796 eck$LassoCheckResult]: Loop: 136#L374-2 assume !!(0 <= main_~j~0 && main_~j~0 < main_~length~0);call main_#t~mem209 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);main_#t~post210 := main_#t~mem209;call write~int(main_#t~post210 - 1, main_~arr~0.base, main_~arr~0.offset, 4);main_~j~0 := main_~j~0 - main_#t~post210;havoc main_#t~post210;havoc main_#t~mem209; 136#L374-2 [2020-12-01 15:36:37,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:37,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1182969107, now seen corresponding path program 1 times [2020-12-01 15:36:37,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:36:37,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639078713] [2020-12-01 15:36:37,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:36:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:37,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:37,558 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:37,563 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:36:37,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:37,564 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 2 times [2020-12-01 15:36:37,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:36:37,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724147894] [2020-12-01 15:36:37,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:36:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:37,571 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:37,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:37,578 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:36:37,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:37,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1982663310, now seen corresponding path program 1 times [2020-12-01 15:36:37,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:36:37,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239522889] [2020-12-01 15:36:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:36:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:37,613 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:36:37,641 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:36:37,646 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:36:37,876 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2020-12-01 15:36:37,974 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:36:37,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:36:37,975 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:36:37,975 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:36:37,975 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:36:37,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:37,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:36:37,976 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:36:37,976 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration3_Lasso [2020-12-01 15:36:37,976 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:36:37,976 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:36:37,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:37,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:38,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:38,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:38,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:38,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:38,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:38,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:38,174 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-01 15:36:38,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:36:38,597 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:36:38,597 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:38,606 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 [2020-12-01 15:36:38,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:38,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:38,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:38,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:38,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:38,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:36:38,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:38,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:38,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:38,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:38,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:38,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:38,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:38,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:38,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:36:38,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:38,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:38,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:38,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:38,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:38,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:38,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:38,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:36:38,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:38,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:38,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:38,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:38,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:38,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:38,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:38,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:38,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:36:38,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:36:38,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:38,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:38,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:38,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:38,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:38,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:38,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:38,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:36:38,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:36:38,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:38,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:38,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:38,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:38,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:38,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:38,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:38,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:36:38,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:36:38,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:38,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:38,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:38,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:38,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:38,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:38,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:36:38,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:36:38,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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) [2020-12-01 15:36:39,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:39,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:36:39,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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) [2020-12-01 15:36:39,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:36:39,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:36:39,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:39,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:39,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:36:39,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,245 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 [2020-12-01 15:36:39,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:39,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:36:39,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:36:39,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:39,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:39,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:36:39,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:36:39,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-12-01 15:36:39,387 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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) [2020-12-01 15:36:39,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:39,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,406 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:36:39,407 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-12-01 15:36:39,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:39,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,478 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:36:39,479 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-12-01 15:36:39,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:36:39,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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) [2020-12-01 15:36:39,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,547 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:36:39,558 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:36:39,558 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:39,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:39,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,615 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:36:39,616 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-12-01 15:36:39,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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 [2020-12-01 15:36:39,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:39,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,666 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:36:39,667 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-12-01 15:36:39,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:36:39,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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 [2020-12-01 15:36:39,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:36:39,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,707 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:36:39,709 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-12-01 15:36:39,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:36:39,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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 [2020-12-01 15:36:39,758 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 [2020-12-01 15:36:39,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,760 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:36:39,769 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:36:39,769 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-12-01 15:36:39,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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 [2020-12-01 15:36:39,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,805 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-12-01 15:36:39,808 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:36:39,809 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-12-01 15:36:39,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/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) [2020-12-01 15:36:39,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:36:39,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:36:39,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:36:39,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:36:39,866 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:39,892 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-12-01 15:36:39,892 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-12-01 15:36:39,922 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:36:40,009 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2020-12-01 15:36:40,010 INFO L444 ModelExtractionUtils]: 26 out of 46 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d1a1353-a203-4253-892b-8d93aff30c72/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:36:40,017 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:36:40,043 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2020-12-01 15:36:40,043 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:36:40,044 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*v_rep(select #length ULTIMATE.start_main_~arr~0.base)_2 + 2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0.base) ULTIMATE.start_main_~arr~0.offset)_1 f1 = -2*ULTIMATE.start_main_~j~0 + 2*ULTIMATE.start_main_~length~0 Supporting invariants [] [2020-12-01 15:36:40,099 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-12-01 15:36:40,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 15:36:40,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:36:40,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 15:36:40,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:36:40,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 15:36:40,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:36:40,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:36:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:36:40,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:36:40,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:36:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:36:40,183 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 15:36:40,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:36:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:36:40,187 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-12-01 15:36:40,187 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-12-01 15:36:40,199 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 11 states and 13 transitions. Complement of second has 2 states. [2020-12-01 15:36:40,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-12-01 15:36:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-12-01 15:36:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 11 transitions. [2020-12-01 15:36:40,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 1 letters. [2020-12-01 15:36:40,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:36:40,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 10 letters. Loop has 1 letters. [2020-12-01 15:36:40,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:36:40,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 2 letters. [2020-12-01 15:36:40,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:36:40,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2020-12-01 15:36:40,204 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:36:40,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2020-12-01 15:36:40,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:36:40,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:36:40,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:36:40,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:36:40,205 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:36:40,205 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:36:40,205 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:36:40,205 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-12-01 15:36:40,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:36:40,206 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:36:40,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 15:36:40,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:36:40 BoogieIcfgContainer [2020-12-01 15:36:40,212 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:36:40,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:36:40,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:36:40,217 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:36:40,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:36:34" (3/4) ... [2020-12-01 15:36:40,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:36:40,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:36:40,225 INFO L168 Benchmark]: Toolchain (without parser) took 6583.65 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 55.0 MB in the beginning and 33.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 63.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:36:40,225 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:36:40,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.32 ms. Allocated memory is still 88.1 MB. Free memory was 54.7 MB in the beginning and 48.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:36:40,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.03 ms. Allocated memory is still 88.1 MB. Free memory was 48.2 MB in the beginning and 46.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:36:40,228 INFO L168 Benchmark]: Boogie Preprocessor took 27.44 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 45.6 MB in the end (delta: 827.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:36:40,232 INFO L168 Benchmark]: RCFGBuilder took 485.34 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 45.3 MB in the beginning and 84.2 MB in the end (delta: -38.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:36:40,232 INFO L168 Benchmark]: BuchiAutomizer took 5323.88 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 84.0 MB in the beginning and 33.9 MB in the end (delta: 50.1 MB). Peak memory consumption was 73.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:36:40,236 INFO L168 Benchmark]: Witness Printer took 7.62 ms. Allocated memory is still 130.0 MB. Free memory is still 33.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:36:40,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.32 ms. Allocated memory is still 88.1 MB. Free memory was 54.7 MB in the beginning and 48.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.03 ms. Allocated memory is still 88.1 MB. Free memory was 48.2 MB in the beginning and 46.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.44 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 45.6 MB in the end (delta: 827.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 485.34 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 45.3 MB in the beginning and 84.2 MB in the end (delta: -38.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5323.88 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 84.0 MB in the beginning and 33.9 MB in the end (delta: 50.1 MB). Peak memory consumption was 73.2 MB. Max. memory is 16.1 GB. * Witness Printer took 7.62 ms. Allocated memory is still 130.0 MB. Free memory is still 33.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -4 * i + -1 * arr + 2 * unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] and consists of 6 locations. One deterministic module has 2-nested ranking function (if unknown-#length-unknown[arr] + 2 * unknown-#memory_int-unknown[arr][arr] > 0 then 1 else 0), (if unknown-#length-unknown[arr] + 2 * unknown-#memory_int-unknown[arr][arr] > 0 then unknown-#length-unknown[arr] + 2 * unknown-#memory_int-unknown[arr][arr] else -2 * j + 2 * length) and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 25 SDtfs, 30 SDslu, 11 SDs, 0 SdLazy, 30 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital108 mio100 ax100 hnf100 lsp94 ukn81 mio100 lsp67 div100 bol100 ite100 ukn100 eq174 hnf89 smp98 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...