./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 32bit --witnessprinter.graph.data.programhash 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:58:04,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:58:04,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:58:04,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:58:04,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:58:04,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:58:04,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:58:04,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:58:04,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:58:04,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:58:04,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:58:04,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:58:04,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:58:04,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:58:04,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:58:04,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:58:04,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:58:04,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:58:04,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:58:04,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:58:04,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:58:04,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:58:04,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:58:04,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:58:04,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:58:04,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:58:04,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:58:04,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:58:04,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:58:04,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:58:04,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:58:04,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:58:04,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:58:04,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:58:04,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:58:04,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:58:04,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:58:04,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:58:04,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:58:04,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:58:04,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:58:04,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 03:58:04,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:58:04,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:58:04,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:58:04,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:58:04,358 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:58:04,358 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:58:04,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:58:04,359 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:58:04,359 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:58:04,359 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:58:04,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:58:04,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:58:04,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:58:04,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:58:04,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:58:04,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:58:04,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:58:04,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:58:04,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:58:04,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:58:04,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:58:04,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:58:04,363 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:58:04,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:58:04,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:58:04,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:58:04,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:58:04,364 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:58:04,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:58:04,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:58:04,365 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:58:04,366 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:58:04,367 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 [2019-11-20 03:58:04,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:58:04,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:58:04,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:58:04,609 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:58:04,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:58:04,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/../../sv-benchmarks/c/loops/insertion_sort-1.c [2019-11-20 03:58:04,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/data/911fa6b6e/095b29683c11483a8b41ca596041226f/FLAGdfce8972f [2019-11-20 03:58:05,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:58:05,199 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/sv-benchmarks/c/loops/insertion_sort-1.c [2019-11-20 03:58:05,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/data/911fa6b6e/095b29683c11483a8b41ca596041226f/FLAGdfce8972f [2019-11-20 03:58:05,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/data/911fa6b6e/095b29683c11483a8b41ca596041226f [2019-11-20 03:58:05,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:58:05,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:58:05,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:58:05,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:58:05,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:58:05,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:05,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc3cd42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05, skipping insertion in model container [2019-11-20 03:58:05,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:05,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:58:05,573 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:58:05,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:58:05,796 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:58:05,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:58:05,952 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:58:05,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05 WrapperNode [2019-11-20 03:58:05,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:58:05,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:58:05,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:58:05,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:58:05,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:05,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:05,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:58:05,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:58:05,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:58:05,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:58:06,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:06,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:06,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:06,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:06,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:06,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:06,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... [2019-11-20 03:58:06,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:58:06,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:58:06,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:58:06,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:58:06,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 [2019-11-20 03:58:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:58:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:58:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:58:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 03:58:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:58:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:58:06,570 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:58:06,570 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 03:58:06,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:58:06 BoogieIcfgContainer [2019-11-20 03:58:06,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:58:06,572 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:58:06,572 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:58:06,576 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:58:06,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:58:06,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:58:05" (1/3) ... [2019-11-20 03:58:06,579 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ec50442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:58:06, skipping insertion in model container [2019-11-20 03:58:06,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:58:06,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:05" (2/3) ... [2019-11-20 03:58:06,580 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ec50442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:58:06, skipping insertion in model container [2019-11-20 03:58:06,580 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:58:06,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:58:06" (3/3) ... [2019-11-20 03:58:06,582 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertion_sort-1.c [2019-11-20 03:58:06,634 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:58:06,635 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:58:06,635 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:58:06,635 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:58:06,635 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:58:06,635 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:58:06,636 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:58:06,636 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:58:06,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-11-20 03:58:06,673 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2019-11-20 03:58:06,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:06,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:06,679 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 03:58:06,679 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 03:58:06,679 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:58:06,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-11-20 03:58:06,681 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2019-11-20 03:58:06,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:06,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:06,682 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 03:58:06,682 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 03:58:06,689 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 13#L14-3true [2019-11-20 03:58:06,689 INFO L796 eck$LassoCheckResult]: Loop: 13#L14-3true assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 16#L17-5true assume !true; 14#L17-6true call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 17#L14-2true main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 13#L14-3true [2019-11-20 03:58:06,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:06,694 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 03:58:06,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:06,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470901307] [2019-11-20 03:58:06,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:06,838 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:06,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:06,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1256252, now seen corresponding path program 1 times [2019-11-20 03:58:06,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:06,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054772879] [2019-11-20 03:58:06,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:06,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054772879] [2019-11-20 03:58:06,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:58:06,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 03:58:06,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247422746] [2019-11-20 03:58:06,886 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:58:06,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:58:06,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:58:06,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:58:06,902 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-11-20 03:58:06,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:58:06,910 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-11-20 03:58:06,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:58:06,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2019-11-20 03:58:06,914 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-20 03:58:06,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 19 transitions. [2019-11-20 03:58:06,919 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-20 03:58:06,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-20 03:58:06,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-11-20 03:58:06,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:58:06,921 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-20 03:58:06,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-11-20 03:58:06,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-20 03:58:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 03:58:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-11-20 03:58:06,951 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-20 03:58:06,951 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-20 03:58:06,952 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:58:06,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2019-11-20 03:58:06,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-20 03:58:06,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:06,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:06,953 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 03:58:06,954 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:58:06,954 INFO L794 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 53#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 54#L14-3 [2019-11-20 03:58:06,954 INFO L796 eck$LassoCheckResult]: Loop: 54#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 51#L17-5 main_#t~short4 := main_~i~0 >= 0; 48#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 49#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 59#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 60#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 54#L14-3 [2019-11-20 03:58:06,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:06,955 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-20 03:58:06,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:06,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426520629] [2019-11-20 03:58:06,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:06,984 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:06,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:06,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1188208494, now seen corresponding path program 1 times [2019-11-20 03:58:06,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:06,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627066453] [2019-11-20 03:58:06,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:07,038 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:07,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:07,039 INFO L82 PathProgramCache]: Analyzing trace with hash 268257712, now seen corresponding path program 1 times [2019-11-20 03:58:07,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:07,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484831815] [2019-11-20 03:58:07,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:07,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:07,376 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2019-11-20 03:58:07,593 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-11-20 03:58:07,714 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-11-20 03:58:07,729 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:58:07,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:58:07,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:58:07,732 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:58:07,732 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:58:07,732 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:07,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:58:07,733 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:58:07,733 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration2_Lasso [2019-11-20 03:58:07,733 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:58:07,734 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:58:07,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:07,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:07,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:07,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:07,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:07,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:07,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:07,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:07,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:07,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:08,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:08,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:08,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:08,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:08,274 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-11-20 03:58:08,410 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-11-20 03:58:08,700 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-20 03:58:08,792 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:58:08,799 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:08,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:58:08,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:08,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:08,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:08,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:08,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:08,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:08,822 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 [2019-11-20 03:58:08,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:08,841 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 [2019-11-20 03:58:08,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:08,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:08,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:08,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:08,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:08,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:08,847 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 [2019-11-20 03:58:08,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:08,870 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 [2019-11-20 03:58:08,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:08,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:08,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:08,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:08,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:08,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:08,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:08,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:08,898 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 [2019-11-20 03:58:08,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:08,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:08,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:08,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:08,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:08,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:08,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:08,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:08,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:58:08,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:08,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:08,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:08,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:08,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:08,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:08,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:08,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:08,948 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 [2019-11-20 03:58:08,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:08,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:08,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:08,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:08,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:08,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:08,955 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 [2019-11-20 03:58:08,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:08,973 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 [2019-11-20 03:58:08,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:08,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:08,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:08,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:08,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:08,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:08,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:08,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:08,989 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 [2019-11-20 03:58:08,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:08,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:08,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:08,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:08,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:58:08,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:58:09,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:09,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:58:09,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:09,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:09,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:09,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:09,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:09,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:09,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:09,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2019-11-20 03:58:09,033 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 [2019-11-20 03:58:09,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:09,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:09,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:09,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:09,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:09,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:09,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:09,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 [2019-11-20 03:58:09,053 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 [2019-11-20 03:58:09,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:09,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:09,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:09,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:09,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:09,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:09,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:09,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 [2019-11-20 03:58:09,081 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 [2019-11-20 03:58:09,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:09,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:09,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:09,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:09,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:58:09,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:58:09,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:09,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:09,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:09,112 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 03:58:09,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:09,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:09,133 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 03:58:09,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:58:09,176 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:58:09,362 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-20 03:58:09,363 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:09,374 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:58:09,377 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:58:09,377 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:58:09,378 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1, ULTIMATE.start_main_~#v~0.offset, ULTIMATE.start_main_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1 - 1*ULTIMATE.start_main_~#v~0.offset - 2*ULTIMATE.start_main_~j~0 Supporting invariants [] [2019-11-20 03:58:09,390 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 03:58:09,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 03:58:09,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:09,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:58:09,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:09,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 03:58:09,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:09,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:58:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:09,612 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-20 03:58:09,614 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 5 states. [2019-11-20 03:58:09,869 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 42 states and 59 transitions. Complement of second has 10 states. [2019-11-20 03:58:09,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-20 03:58:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 03:58:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2019-11-20 03:58:09,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-20 03:58:09,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:09,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-20 03:58:09,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:09,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 12 letters. [2019-11-20 03:58:09,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:09,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2019-11-20 03:58:09,888 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-11-20 03:58:09,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 35 states and 49 transitions. [2019-11-20 03:58:09,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-11-20 03:58:09,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-20 03:58:09,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 49 transitions. [2019-11-20 03:58:09,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:58:09,893 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-11-20 03:58:09,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 49 transitions. [2019-11-20 03:58:09,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-11-20 03:58:09,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 03:58:09,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2019-11-20 03:58:09,904 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 47 transitions. [2019-11-20 03:58:09,904 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 47 transitions. [2019-11-20 03:58:09,904 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 03:58:09,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 47 transitions. [2019-11-20 03:58:09,908 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-11-20 03:58:09,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:09,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:09,909 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 03:58:09,909 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:58:09,910 INFO L794 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 181#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 182#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 192#L17-5 [2019-11-20 03:58:09,910 INFO L796 eck$LassoCheckResult]: Loop: 192#L17-5 main_#t~short4 := main_~i~0 >= 0; 196#L17-1 assume !main_#t~short4; 198#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 187#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 188#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 191#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 192#L17-5 [2019-11-20 03:58:09,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:09,911 INFO L82 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2019-11-20 03:58:09,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:09,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017810328] [2019-11-20 03:58:09,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:09,994 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:09,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:09,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1336163126, now seen corresponding path program 1 times [2019-11-20 03:58:09,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:10,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350138971] [2019-11-20 03:58:10,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:10,036 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:10,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:10,041 INFO L82 PathProgramCache]: Analyzing trace with hash -272098468, now seen corresponding path program 1 times [2019-11-20 03:58:10,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:10,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887663378] [2019-11-20 03:58:10,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:10,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887663378] [2019-11-20 03:58:10,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:58:10,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 03:58:10,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291504621] [2019-11-20 03:58:10,319 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-11-20 03:58:10,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:58:10,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 03:58:10,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:58:10,378 INFO L87 Difference]: Start difference. First operand 33 states and 47 transitions. cyclomatic complexity: 18 Second operand 5 states. [2019-11-20 03:58:10,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:58:10,494 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2019-11-20 03:58:10,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:58:10,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2019-11-20 03:58:10,496 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2019-11-20 03:58:10,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 53 transitions. [2019-11-20 03:58:10,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-11-20 03:58:10,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2019-11-20 03:58:10,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 53 transitions. [2019-11-20 03:58:10,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:58:10,498 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2019-11-20 03:58:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 53 transitions. [2019-11-20 03:58:10,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 25. [2019-11-20 03:58:10,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 03:58:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-11-20 03:58:10,501 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-11-20 03:58:10,501 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-11-20 03:58:10,501 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 03:58:10,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2019-11-20 03:58:10,502 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-20 03:58:10,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:10,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:10,503 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 03:58:10,503 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 03:58:10,503 INFO L794 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 266#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 267#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 268#L14-4 main_~k~0 := 1; 269#L24-3 [2019-11-20 03:58:10,504 INFO L796 eck$LassoCheckResult]: Loop: 269#L24-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 270#L4 assume !(0 == __VERIFIER_assert_~cond); 279#L4-2 havoc main_#t~mem7;havoc main_#t~mem8; 277#L24-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 269#L24-3 [2019-11-20 03:58:10,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:10,504 INFO L82 PathProgramCache]: Analyzing trace with hash 925734, now seen corresponding path program 1 times [2019-11-20 03:58:10,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:10,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200142559] [2019-11-20 03:58:10,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:10,527 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:10,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:10,528 INFO L82 PathProgramCache]: Analyzing trace with hash 2500554, now seen corresponding path program 1 times [2019-11-20 03:58:10,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:10,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398497692] [2019-11-20 03:58:10,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:10,549 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:10,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:10,550 INFO L82 PathProgramCache]: Analyzing trace with hash 237874543, now seen corresponding path program 1 times [2019-11-20 03:58:10,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:10,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697115417] [2019-11-20 03:58:10,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:10,710 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-11-20 03:58:10,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:10,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697115417] [2019-11-20 03:58:10,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:58:10,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:58:10,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024769005] [2019-11-20 03:58:10,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:58:10,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:58:10,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:58:10,965 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-11-20 03:58:11,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:58:11,093 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2019-11-20 03:58:11,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 03:58:11,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 56 transitions. [2019-11-20 03:58:11,097 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2019-11-20 03:58:11,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 41 states and 54 transitions. [2019-11-20 03:58:11,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2019-11-20 03:58:11,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-11-20 03:58:11,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2019-11-20 03:58:11,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:58:11,099 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-11-20 03:58:11,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2019-11-20 03:58:11,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2019-11-20 03:58:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 03:58:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-20 03:58:11,107 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 03:58:11,107 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 03:58:11,107 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 03:58:11,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-20 03:58:11,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-20 03:58:11,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:11,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:11,109 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 03:58:11,110 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 03:58:11,110 INFO L794 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 345#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 346#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 353#L17-5 main_#t~short4 := main_~i~0 >= 0; 339#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 340#L17-3 [2019-11-20 03:58:11,111 INFO L796 eck$LassoCheckResult]: Loop: 340#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 343#L18 assume main_~i~0 < 2;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5; 335#L18-2 main_~i~0 := main_~i~0 - 1; 336#L17-5 main_#t~short4 := main_~i~0 >= 0; 359#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 340#L17-3 [2019-11-20 03:58:11,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:11,111 INFO L82 PathProgramCache]: Analyzing trace with hash 28698826, now seen corresponding path program 1 times [2019-11-20 03:58:11,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:11,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081002238] [2019-11-20 03:58:11,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,166 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:11,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:11,168 INFO L82 PathProgramCache]: Analyzing trace with hash 53536832, now seen corresponding path program 1 times [2019-11-20 03:58:11,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:11,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395610162] [2019-11-20 03:58:11,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,193 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:11,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:11,194 INFO L82 PathProgramCache]: Analyzing trace with hash 99226903, now seen corresponding path program 1 times [2019-11-20 03:58:11,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:11,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67763902] [2019-11-20 03:58:11,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:11,272 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67763902] [2019-11-20 03:58:11,272 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219995013] [2019-11-20 03:58:11,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:58:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:11,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 03:58:11,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:11,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:58:11,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:11,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 03:58:11,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2019-11-20 03:58:11,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602909740] [2019-11-20 03:58:11,499 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-11-20 03:58:11,626 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-20 03:58:11,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:58:11,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:58:11,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:58:11,628 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 6 states. [2019-11-20 03:58:11,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:58:11,768 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2019-11-20 03:58:11,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 03:58:11,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 70 transitions. [2019-11-20 03:58:11,771 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2019-11-20 03:58:11,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 50 states and 61 transitions. [2019-11-20 03:58:11,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2019-11-20 03:58:11,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2019-11-20 03:58:11,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 61 transitions. [2019-11-20 03:58:11,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:58:11,773 INFO L688 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-11-20 03:58:11,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 61 transitions. [2019-11-20 03:58:11,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 31. [2019-11-20 03:58:11,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-20 03:58:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2019-11-20 03:58:11,782 INFO L711 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2019-11-20 03:58:11,783 INFO L591 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2019-11-20 03:58:11,783 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 03:58:11,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2019-11-20 03:58:11,784 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-20 03:58:11,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:11,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:11,785 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:58:11,785 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 03:58:11,785 INFO L794 eck$LassoCheckResult]: Stem: 478#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 473#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 474#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 479#L17-5 main_#t~short4 := main_~i~0 >= 0; 490#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 488#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 482#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 483#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 480#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 468#L17-5 [2019-11-20 03:58:11,785 INFO L796 eck$LassoCheckResult]: Loop: 468#L17-5 main_#t~short4 := main_~i~0 >= 0; 463#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 464#L17-3 assume !!main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 471#L18 assume main_~i~0 < 2;call main_#t~mem5 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem5, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem5; 467#L18-2 main_~i~0 := main_~i~0 - 1; 468#L17-5 [2019-11-20 03:58:11,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:11,786 INFO L82 PathProgramCache]: Analyzing trace with hash -273945510, now seen corresponding path program 2 times [2019-11-20 03:58:11,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:11,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646199507] [2019-11-20 03:58:11,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,820 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:11,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:11,821 INFO L82 PathProgramCache]: Analyzing trace with hash 43044122, now seen corresponding path program 2 times [2019-11-20 03:58:11,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:11,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589731746] [2019-11-20 03:58:11,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,830 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:11,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:11,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1968681057, now seen corresponding path program 1 times [2019-11-20 03:58:11,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:11,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306576422] [2019-11-20 03:58:11,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:11,873 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:12,005 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2019-11-20 03:58:12,396 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2019-11-20 03:58:12,605 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-11-20 03:58:12,612 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:58:12,612 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:58:12,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:58:12,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:58:12,613 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:58:12,613 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:12,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:58:12,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:58:12,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration6_Lasso [2019-11-20 03:58:12,614 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:58:12,614 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:58:12,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,799 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-11-20 03:58:12,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:12,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:13,218 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:58:13,218 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 [2019-11-20 03:58:13,226 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 [2019-11-20 03:58:13,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:13,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:13,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:13,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:13,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:13,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:13,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:13,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:13,254 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 [2019-11-20 03:58:13,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:13,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:13,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:13,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:13,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:58:13,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:58:13,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:13,285 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 [2019-11-20 03:58:13,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:13,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:13,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:13,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:13,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:58:13,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:58:13,316 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:58:13,360 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-20 03:58:13,360 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:13,366 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:13,370 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:58:13,370 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:58:13,370 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2) = 2*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2 Supporting invariants [] [2019-11-20 03:58:13,391 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-20 03:58:13,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 03:58:13,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:13,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:58:13,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:13,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 03:58:13,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:13,513 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-20 03:58:13,513 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-11-20 03:58:13,630 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 70 states and 83 transitions. Complement of second has 9 states. [2019-11-20 03:58:13,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 03:58:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 03:58:13,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-11-20 03:58:13,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 9 letters. Loop has 5 letters. [2019-11-20 03:58:13,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:13,636 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 03:58:13,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:13,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:58:13,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:13,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 03:58:13,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:13,716 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 03:58:13,716 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-11-20 03:58:13,770 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand 4 states. Result 70 states and 83 transitions. Complement of second has 9 states. [2019-11-20 03:58:13,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 03:58:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 03:58:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-11-20 03:58:13,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 9 letters. Loop has 5 letters. [2019-11-20 03:58:13,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:13,772 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 03:58:13,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:13,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:58:13,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:13,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 03:58:13,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:13,871 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 03:58:13,871 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand 4 states. [2019-11-20 03:58:13,949 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand 4 states. Result 71 states and 88 transitions. Complement of second has 8 states. [2019-11-20 03:58:13,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 03:58:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 03:58:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2019-11-20 03:58:13,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 9 letters. Loop has 5 letters. [2019-11-20 03:58:13,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:13,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 14 letters. Loop has 5 letters. [2019-11-20 03:58:13,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:13,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 9 letters. Loop has 10 letters. [2019-11-20 03:58:13,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:13,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 88 transitions. [2019-11-20 03:58:13,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 03:58:13,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 39 states and 46 transitions. [2019-11-20 03:58:13,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 03:58:13,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 03:58:13,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 46 transitions. [2019-11-20 03:58:13,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:58:13,956 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2019-11-20 03:58:13,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 46 transitions. [2019-11-20 03:58:13,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 27. [2019-11-20 03:58:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 03:58:13,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2019-11-20 03:58:13,960 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-20 03:58:13,960 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-20 03:58:13,960 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 03:58:13,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 33 transitions. [2019-11-20 03:58:13,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 03:58:13,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:13,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:13,963 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:58:13,963 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 03:58:13,963 INFO L794 eck$LassoCheckResult]: Stem: 916#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 911#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~mem5, main_#t~mem3, main_#t~short4, main_#t~post1, main_#t~mem7, main_#t~mem8, main_#t~post6, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 1; 912#L14-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem2 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem2;havoc main_#t~mem2;main_~i~0 := main_~j~0 - 1; 919#L17-5 main_#t~short4 := main_~i~0 >= 0; 929#L17-1 assume main_#t~short4;call main_#t~mem3 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short4 := main_#t~mem3 > main_~key~0; 907#L17-3 assume !main_#t~short4;havoc main_#t~short4;havoc main_#t~mem3; 917#L17-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 918#L14-2 main_#t~post1 := main_~j~0;main_~j~0 := 1 + main_#t~post1;havoc main_#t~post1; 920#L14-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 913#L14-4 main_~k~0 := 1; 914#L24-3 [2019-11-20 03:58:13,964 INFO L796 eck$LassoCheckResult]: Loop: 914#L24-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem7 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem8 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem7 <= main_#t~mem8 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 915#L4 assume !(0 == __VERIFIER_assert_~cond); 923#L4-2 havoc main_#t~mem7;havoc main_#t~mem8; 922#L24-2 main_#t~post6 := main_~k~0;main_~k~0 := 1 + main_#t~post6;havoc main_#t~post6; 914#L24-3 [2019-11-20 03:58:13,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:13,964 INFO L82 PathProgramCache]: Analyzing trace with hash 97623763, now seen corresponding path program 1 times [2019-11-20 03:58:13,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:13,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066347755] [2019-11-20 03:58:13,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:13,996 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:13,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:13,997 INFO L82 PathProgramCache]: Analyzing trace with hash 2500554, now seen corresponding path program 2 times [2019-11-20 03:58:13,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:13,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051228778] [2019-11-20 03:58:13,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:14,011 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:14,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:14,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1938296220, now seen corresponding path program 1 times [2019-11-20 03:58:14,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:14,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483444112] [2019-11-20 03:58:14,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:14,062 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:14,617 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2019-11-20 03:58:14,836 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-11-20 03:58:14,838 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:58:14,838 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:58:14,838 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:58:14,839 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:58:14,839 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:58:14,839 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:14,839 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:58:14,839 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:58:14,839 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration7_Lasso [2019-11-20 03:58:14,839 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:58:14,839 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:58:14,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:14,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:15,329 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-11-20 03:58:15,554 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:58:15,554 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,562 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 [2019-11-20 03:58:15,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:15,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,572 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 [2019-11-20 03:58:15,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:15,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 [2019-11-20 03:58:15,581 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 [2019-11-20 03:58:15,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:15,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 [2019-11-20 03:58:15,591 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 [2019-11-20 03:58:15,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:58:15,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:58:15,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 [2019-11-20 03:58:15,603 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 [2019-11-20 03:58:15,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:15,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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 [2019-11-20 03:58:15,612 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 [2019-11-20 03:58:15,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:15,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:15,633 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 [2019-11-20 03:58:15,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/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) [2019-11-20 03:58:15,645 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 [2019-11-20 03:58:15,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,662 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 [2019-11-20 03:58:15,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:15,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,671 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 [2019-11-20 03:58:15,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:15,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:58:15,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:15,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,688 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 [2019-11-20 03:58:15,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:58:15,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:58:15,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,705 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 [2019-11-20 03:58:15,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:15,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:15,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:15,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,719 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 [2019-11-20 03:58:15,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:58:15,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:58:15,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,736 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 [2019-11-20 03:58:15,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:15,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:15,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:15,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:15,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:58:15,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:58:15,780 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:58:15,814 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 03:58:15,814 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56ee611a-07cb-4271-ad6b-8c01b37fc07f/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:15,823 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:58:15,826 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 03:58:15,826 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:58:15,827 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3, ULTIMATE.start_main_~#v~0.offset) = -4*ULTIMATE.start_main_~k~0 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3 - 1*ULTIMATE.start_main_~#v~0.offset Supporting invariants [] [2019-11-20 03:58:15,846 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-20 03:58:15,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 03:58:15,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:15,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:58:15,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:15,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:58:15,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:15,910 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:58:15,910 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 03:58:15,924 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 31 states and 38 transitions. Complement of second has 4 states. [2019-11-20 03:58:15,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:58:15,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:58:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2019-11-20 03:58:15,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-20 03:58:15,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:15,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 4 letters. [2019-11-20 03:58:15,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:15,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 10 letters. Loop has 8 letters. [2019-11-20 03:58:15,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:15,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2019-11-20 03:58:15,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:58:15,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2019-11-20 03:58:15,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 03:58:15,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 03:58:15,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 03:58:15,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:58:15,929 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:58:15,929 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:58:15,929 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:58:15,929 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 03:58:15,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:58:15,929 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:58:15,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 03:58:15,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:58:15 BoogieIcfgContainer [2019-11-20 03:58:15,937 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:58:15,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:58:15,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:58:15,938 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:58:15,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:58:06" (3/4) ... [2019-11-20 03:58:15,946 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:58:15,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:58:15,952 INFO L168 Benchmark]: Toolchain (without parser) took 10411.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -120.6 MB). Peak memory consumption was 186.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:15,954 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:58:15,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:15,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:15,959 INFO L168 Benchmark]: Boogie Preprocessor took 30.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:58:15,960 INFO L168 Benchmark]: RCFGBuilder took 543.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:15,960 INFO L168 Benchmark]: BuchiAutomizer took 9365.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 195.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:15,961 INFO L168 Benchmark]: Witness Printer took 8.55 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:15,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 415.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 543.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9365.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 195.2 MB. Max. memory is 11.5 GB. * Witness Printer took 8.55 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 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 #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[v] + -1 * v + -2 * j and consists of 6 locations. One deterministic module has affine ranking function -4 * k + unknown-#length-unknown[v] + -1 * v and consists of 3 locations. One nondeterministic module has affine ranking function 2 * i + unknown-#length-unknown[v] and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.3s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.5s. Construction of modules took 0.4s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 63 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 33 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 232 SDslu, 173 SDs, 0 SdLazy, 236 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax100 hnf99 lsp95 ukn64 mio100 lsp77 div222 bol100 ite100 ukn100 eq148 hnf58 smp86 dnf129 smp87 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 280ms VariablesStem: 6 VariablesLoop: 10 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...