./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 160024a3cc4acfbc7213f984e87ef0c708b94aaf .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@1e8ce233 --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:26:52,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:26:52,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:26:52,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:26:52,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:26:52,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:26:52,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:26:52,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:26:52,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:26:52,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:26:52,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:26:52,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:26:52,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:26:52,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:26:52,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:26:52,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:26:52,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:26:52,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:26:52,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:26:52,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:26:52,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:26:52,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:26:52,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:26:52,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:26:52,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:26:52,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:26:52,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:26:52,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:26:52,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:26:52,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:26:52,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:26:52,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:26:52,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:26:52,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:26:52,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:26:52,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:26:52,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:26:52,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:26:52,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:26:52,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:26:52,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:26:52,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:26:52,286 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:26:52,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:26:52,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:26:52,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:26:52,287 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:26:52,287 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:26:52,288 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:26:52,288 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:26:52,288 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:26:52,288 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:26:52,288 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:26:52,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:26:52,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:26:52,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:26:52,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:26:52,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:26:52,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:26:52,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:26:52,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:26:52,290 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:26:52,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:26:52,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:26:52,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:26:52,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:26:52,291 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:26:52,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:26:52,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:26:52,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:26:52,292 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:26:52,292 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:26:52,292 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_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 160024a3cc4acfbc7213f984e87ef0c708b94aaf [2019-12-07 18:26:52,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:26:52,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:26:52,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:26:52,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:26:52,409 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:26:52,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i [2019-12-07 18:26:52,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/data/d1af0a93f/261852363e0047bdbc3e49e98580b2bd/FLAG2eb963127 [2019-12-07 18:26:52,884 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:26:52,885 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i [2019-12-07 18:26:52,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/data/d1af0a93f/261852363e0047bdbc3e49e98580b2bd/FLAG2eb963127 [2019-12-07 18:26:52,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/data/d1af0a93f/261852363e0047bdbc3e49e98580b2bd [2019-12-07 18:26:52,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:26:52,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:26:52,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:26:52,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:26:52,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:26:52,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:26:52" (1/1) ... [2019-12-07 18:26:52,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763d5495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:52, skipping insertion in model container [2019-12-07 18:26:52,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:26:52" (1/1) ... [2019-12-07 18:26:52,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:26:52,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:26:53,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:26:53,139 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:26:53,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:26:53,194 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:26:53,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53 WrapperNode [2019-12-07 18:26:53,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:26:53,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:26:53,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:26:53,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:26:53,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... [2019-12-07 18:26:53,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... [2019-12-07 18:26:53,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:26:53,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:26:53,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:26:53,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:26:53,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... [2019-12-07 18:26:53,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... [2019-12-07 18:26:53,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... [2019-12-07 18:26:53,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... [2019-12-07 18:26:53,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... [2019-12-07 18:26:53,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... [2019-12-07 18:26:53,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... [2019-12-07 18:26:53,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:26:53,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:26:53,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:26:53,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:26:53,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:26:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:26:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:26:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:26:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:26:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:26:53,459 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:26:53,459 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 18:26:53,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:26:53 BoogieIcfgContainer [2019-12-07 18:26:53,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:26:53,461 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:26:53,461 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:26:53,463 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:26:53,464 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:26:53,464 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:26:52" (1/3) ... [2019-12-07 18:26:53,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eab6567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:26:53, skipping insertion in model container [2019-12-07 18:26:53,465 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:26:53,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:26:53" (2/3) ... [2019-12-07 18:26:53,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eab6567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:26:53, skipping insertion in model container [2019-12-07 18:26:53,465 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:26:53,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:26:53" (3/3) ... [2019-12-07 18:26:53,466 INFO L371 chiAutomizerObserver]: Analyzing ICFG gcd1-alloca.i [2019-12-07 18:26:53,498 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:26:53,498 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:26:53,498 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:26:53,498 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:26:53,498 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:26:53,498 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:26:53,498 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:26:53,498 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:26:53,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:26:53,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:26:53,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:26:53,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:26:53,525 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:26:53,525 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:26:53,525 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:26:53,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 18:26:53,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:26:53,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:26:53,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:26:53,526 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:26:53,526 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:26:53,531 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet18;havoc main_#t~nondet18;main_~y~0 := main_#t~nondet19;havoc main_#t~nondet19;gcd_#in~x, gcd_#in~y := main_~x~0, main_~y~0;havoc gcd_#res;havoc gcd_#t~malloc2.base, gcd_#t~malloc2.offset, gcd_#t~malloc3.base, gcd_#t~malloc3.offset, gcd_#t~malloc4.base, gcd_#t~malloc4.offset, gcd_#t~mem5, gcd_#t~mem6, gcd_#t~mem7, gcd_#t~mem8, gcd_#t~mem10, gcd_#t~mem13, gcd_#t~mem14, gcd_#t~mem11, gcd_#t~mem12, gcd_#t~mem15, gcd_#t~mem16, gcd_#t~mem9, gcd_#t~mem17, gcd_~x, gcd_~y, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, gcd_~r~0.base, gcd_~r~0.offset;gcd_~x := gcd_#in~x;gcd_~y := gcd_#in~y;call gcd_#t~malloc2.base, gcd_#t~malloc2.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0.base, gcd_~x_ref~0.offset := gcd_#t~malloc2.base, gcd_#t~malloc2.offset;call gcd_#t~malloc3.base, gcd_#t~malloc3.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0.base, gcd_~y_ref~0.offset := gcd_#t~malloc3.base, gcd_#t~malloc3.offset;call gcd_#t~malloc4.base, gcd_#t~malloc4.offset := #Ultimate.allocOnStack(4);gcd_~r~0.base, gcd_~r~0.offset := gcd_#t~malloc4.base, gcd_#t~malloc4.offset;call write~int(gcd_~x, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_~y, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call gcd_#t~mem5 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4); 9#L553true assume !(gcd_#t~mem5 < 0);havoc gcd_#t~mem5; 15#L553-2true call gcd_#t~mem7 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 5#L554true assume !(gcd_#t~mem7 < 0);havoc gcd_#t~mem7; 10#L555-2true [2019-12-07 18:26:53,532 INFO L796 eck$LassoCheckResult]: Loop: 10#L555-2true call gcd_#t~mem9 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 4#L555true assume !!(gcd_#t~mem9 > 0);havoc gcd_#t~mem9;call gcd_#t~mem10 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_#t~mem10, gcd_~r~0.base, gcd_~r~0.offset, 4);havoc gcd_#t~mem10; 6#L557-3true assume !true; 11#L557-4true call gcd_#t~mem15 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call write~int(gcd_#t~mem15, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);havoc gcd_#t~mem15;call gcd_#t~mem16 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call write~int(gcd_#t~mem16, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);havoc gcd_#t~mem16; 10#L555-2true [2019-12-07 18:26:53,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:53,535 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-12-07 18:26:53,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:53,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501847638] [2019-12-07 18:26:53,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:53,650 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:53,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:53,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1513768, now seen corresponding path program 1 times [2019-12-07 18:26:53,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:53,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204328659] [2019-12-07 18:26:53,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:26:53,676 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204328659] [2019-12-07 18:26:53,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:26:53,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:26:53,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584764976] [2019-12-07 18:26:53,680 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:26:53,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:26:53,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:26:53,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:26:53,691 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2019-12-07 18:26:53,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:26:53,696 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-12-07 18:26:53,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:26:53,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-12-07 18:26:53,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:26:53,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 10 states and 13 transitions. [2019-12-07 18:26:53,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 18:26:53,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 18:26:53,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2019-12-07 18:26:53,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:26:53,704 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-12-07 18:26:53,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2019-12-07 18:26:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-12-07 18:26:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-07 18:26:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-12-07 18:26:53,726 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-12-07 18:26:53,726 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-12-07 18:26:53,727 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:26:53,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-12-07 18:26:53,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:26:53,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:26:53,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:26:53,727 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:26:53,728 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:26:53,728 INFO L794 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 38#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet18;havoc main_#t~nondet18;main_~y~0 := main_#t~nondet19;havoc main_#t~nondet19;gcd_#in~x, gcd_#in~y := main_~x~0, main_~y~0;havoc gcd_#res;havoc gcd_#t~malloc2.base, gcd_#t~malloc2.offset, gcd_#t~malloc3.base, gcd_#t~malloc3.offset, gcd_#t~malloc4.base, gcd_#t~malloc4.offset, gcd_#t~mem5, gcd_#t~mem6, gcd_#t~mem7, gcd_#t~mem8, gcd_#t~mem10, gcd_#t~mem13, gcd_#t~mem14, gcd_#t~mem11, gcd_#t~mem12, gcd_#t~mem15, gcd_#t~mem16, gcd_#t~mem9, gcd_#t~mem17, gcd_~x, gcd_~y, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, gcd_~r~0.base, gcd_~r~0.offset;gcd_~x := gcd_#in~x;gcd_~y := gcd_#in~y;call gcd_#t~malloc2.base, gcd_#t~malloc2.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0.base, gcd_~x_ref~0.offset := gcd_#t~malloc2.base, gcd_#t~malloc2.offset;call gcd_#t~malloc3.base, gcd_#t~malloc3.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0.base, gcd_~y_ref~0.offset := gcd_#t~malloc3.base, gcd_#t~malloc3.offset;call gcd_#t~malloc4.base, gcd_#t~malloc4.offset := #Ultimate.allocOnStack(4);gcd_~r~0.base, gcd_~r~0.offset := gcd_#t~malloc4.base, gcd_#t~malloc4.offset;call write~int(gcd_~x, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_~y, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call gcd_#t~mem5 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4); 39#L553 assume !(gcd_#t~mem5 < 0);havoc gcd_#t~mem5; 42#L553-2 call gcd_#t~mem7 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 45#L554 assume !(gcd_#t~mem7 < 0);havoc gcd_#t~mem7; 41#L555-2 [2019-12-07 18:26:53,728 INFO L796 eck$LassoCheckResult]: Loop: 41#L555-2 call gcd_#t~mem9 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 43#L555 assume !!(gcd_#t~mem9 > 0);havoc gcd_#t~mem9;call gcd_#t~mem10 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_#t~mem10, gcd_~r~0.base, gcd_~r~0.offset, 4);havoc gcd_#t~mem10; 47#L557-3 call gcd_#t~mem11 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem12 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 46#L557-1 assume !(gcd_#t~mem11 >= gcd_#t~mem12);havoc gcd_#t~mem12;havoc gcd_#t~mem11; 40#L557-4 call gcd_#t~mem15 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call write~int(gcd_#t~mem15, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);havoc gcd_#t~mem15;call gcd_#t~mem16 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call write~int(gcd_#t~mem16, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);havoc gcd_#t~mem16; 41#L555-2 [2019-12-07 18:26:53,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:53,728 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 2 times [2019-12-07 18:26:53,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:53,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739098661] [2019-12-07 18:26:53,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:53,755 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:53,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:53,755 INFO L82 PathProgramCache]: Analyzing trace with hash 46919933, now seen corresponding path program 1 times [2019-12-07 18:26:53,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:53,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905509646] [2019-12-07 18:26:53,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:53,775 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:53,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:53,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1985425099, now seen corresponding path program 1 times [2019-12-07 18:26:53,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:53,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431260577] [2019-12-07 18:26:53,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:53,817 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:54,156 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 90 [2019-12-07 18:26:54,246 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:26:54,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:26:54,246 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:26:54,246 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:26:54,246 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:26:54,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:54,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:26:54,247 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:26:54,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd1-alloca.i_Iteration2_Lasso [2019-12-07 18:26:54,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:26:54,247 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:26:54,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,526 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-07 18:26:54,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:54,948 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:26:54,952 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:54,956 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 [2019-12-07 18:26:54,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:54,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:54,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:54,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:54,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:54,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:54,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:54,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:54,967 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 [2019-12-07 18:26:54,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:54,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:54,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:54,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:54,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:54,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:54,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:54,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:54,975 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 [2019-12-07 18:26:54,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:54,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:54,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:54,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:54,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:54,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:54,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:54,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:54,982 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 [2019-12-07 18:26:54,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:54,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:54,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:54,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:54,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:54,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:54,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:54,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:54,989 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 [2019-12-07 18:26:54,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:54,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:54,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:54,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:54,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:54,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:54,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:55,000 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 [2019-12-07 18:26:55,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:55,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:55,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:55,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:55,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:55,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:55,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:55,011 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 [2019-12-07 18:26:55,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:55,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:55,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:55,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:55,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:55,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:55,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:55,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:55,019 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 [2019-12-07 18:26:55,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:55,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:55,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:55,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:55,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:55,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:55,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:55,031 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 [2019-12-07 18:26:55,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:55,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:55,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:55,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:55,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:55,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:55,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:55,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:55,040 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 [2019-12-07 18:26:55,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:55,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:55,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:55,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:55,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:55,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:55,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:55,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:55,048 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 [2019-12-07 18:26:55,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:55,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:55,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:55,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:55,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:55,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:55,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:55,052 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:55,057 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 [2019-12-07 18:26:55,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:55,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:55,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:55,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:55,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:55,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:55,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:55,071 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 [2019-12-07 18:26:55,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:55,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:55,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:55,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:55,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:55,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:55,080 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:55,084 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 [2019-12-07 18:26:55,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:55,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:55,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:55,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:55,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:55,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:55,102 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:26:55,120 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 18:26:55,120 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:55,124 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:26:55,127 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:26:55,127 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:26:55,127 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0.base) ULTIMATE.start_gcd_~y_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0.base) ULTIMATE.start_gcd_~y_ref~0.offset)_1 Supporting invariants [] [2019-12-07 18:26:55,203 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 18:26:55,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:26:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:55,248 INFO L264 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 18:26:55,249 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:26:55,290 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:26:55,291 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-12-07 18:26:55,291 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:26:55,296 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:26:55,298 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:26:55,298 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:6 [2019-12-07 18:26:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:55,306 INFO L264 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 18:26:55,307 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:26:55,347 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:26:55,348 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 64 [2019-12-07 18:26:55,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:55,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 18:26:55,354 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:26:55,388 INFO L614 ElimStorePlain]: treesize reduction 69, result has 37.8 percent of original size [2019-12-07 18:26:55,388 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:26:55,388 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:42 [2019-12-07 18:26:55,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:26:55,463 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2019-12-07 18:26:55,464 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand 7 states. [2019-12-07 18:26:55,565 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand 7 states. Result 31 states and 38 transitions. Complement of second has 14 states. [2019-12-07 18:26:55,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2019-12-07 18:26:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 18:26:55,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2019-12-07 18:26:55,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 5 letters. Loop has 5 letters. [2019-12-07 18:26:55,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:55,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 10 letters. Loop has 5 letters. [2019-12-07 18:26:55,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:55,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 18:26:55,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:55,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2019-12-07 18:26:55,570 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 18:26:55,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 27 states and 34 transitions. [2019-12-07 18:26:55,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2019-12-07 18:26:55,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-12-07 18:26:55,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2019-12-07 18:26:55,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:26:55,572 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-12-07 18:26:55,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2019-12-07 18:26:55,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2019-12-07 18:26:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 18:26:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-12-07 18:26:55,573 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-12-07 18:26:55,573 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-12-07 18:26:55,573 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:26:55,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2019-12-07 18:26:55,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:26:55,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:26:55,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:26:55,574 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:26:55,575 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:26:55,575 INFO L794 eck$LassoCheckResult]: Stem: 258#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 248#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet18;havoc main_#t~nondet18;main_~y~0 := main_#t~nondet19;havoc main_#t~nondet19;gcd_#in~x, gcd_#in~y := main_~x~0, main_~y~0;havoc gcd_#res;havoc gcd_#t~malloc2.base, gcd_#t~malloc2.offset, gcd_#t~malloc3.base, gcd_#t~malloc3.offset, gcd_#t~malloc4.base, gcd_#t~malloc4.offset, gcd_#t~mem5, gcd_#t~mem6, gcd_#t~mem7, gcd_#t~mem8, gcd_#t~mem10, gcd_#t~mem13, gcd_#t~mem14, gcd_#t~mem11, gcd_#t~mem12, gcd_#t~mem15, gcd_#t~mem16, gcd_#t~mem9, gcd_#t~mem17, gcd_~x, gcd_~y, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, gcd_~r~0.base, gcd_~r~0.offset;gcd_~x := gcd_#in~x;gcd_~y := gcd_#in~y;call gcd_#t~malloc2.base, gcd_#t~malloc2.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0.base, gcd_~x_ref~0.offset := gcd_#t~malloc2.base, gcd_#t~malloc2.offset;call gcd_#t~malloc3.base, gcd_#t~malloc3.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0.base, gcd_~y_ref~0.offset := gcd_#t~malloc3.base, gcd_#t~malloc3.offset;call gcd_#t~malloc4.base, gcd_#t~malloc4.offset := #Ultimate.allocOnStack(4);gcd_~r~0.base, gcd_~r~0.offset := gcd_#t~malloc4.base, gcd_#t~malloc4.offset;call write~int(gcd_~x, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_~y, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call gcd_#t~mem5 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4); 249#L553 assume !(gcd_#t~mem5 < 0);havoc gcd_#t~mem5; 250#L553-2 call gcd_#t~mem7 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 259#L554 assume gcd_#t~mem7 < 0;havoc gcd_#t~mem7;call gcd_#t~mem8 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call write~int(-gcd_#t~mem8, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);havoc gcd_#t~mem8; 251#L555-2 [2019-12-07 18:26:55,575 INFO L796 eck$LassoCheckResult]: Loop: 251#L555-2 call gcd_#t~mem9 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 252#L555 assume !!(gcd_#t~mem9 > 0);havoc gcd_#t~mem9;call gcd_#t~mem10 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_#t~mem10, gcd_~r~0.base, gcd_~r~0.offset, 4);havoc gcd_#t~mem10; 261#L557-3 call gcd_#t~mem11 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem12 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 266#L557-1 assume !(gcd_#t~mem11 >= gcd_#t~mem12);havoc gcd_#t~mem12;havoc gcd_#t~mem11; 256#L557-4 call gcd_#t~mem15 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call write~int(gcd_#t~mem15, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);havoc gcd_#t~mem15;call gcd_#t~mem16 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call write~int(gcd_#t~mem16, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);havoc gcd_#t~mem16; 251#L555-2 [2019-12-07 18:26:55,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:55,575 INFO L82 PathProgramCache]: Analyzing trace with hash 28695751, now seen corresponding path program 1 times [2019-12-07 18:26:55,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:55,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839222868] [2019-12-07 18:26:55,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:55,605 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:55,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:55,606 INFO L82 PathProgramCache]: Analyzing trace with hash 46919933, now seen corresponding path program 2 times [2019-12-07 18:26:55,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:55,606 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712303370] [2019-12-07 18:26:55,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:55,623 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:55,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:55,623 INFO L82 PathProgramCache]: Analyzing trace with hash -2042683401, now seen corresponding path program 1 times [2019-12-07 18:26:55,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:55,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008592452] [2019-12-07 18:26:55,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:55,656 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:55,985 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 94 [2019-12-07 18:26:56,056 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:26:56,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:26:56,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:26:56,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:26:56,057 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:26:56,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:26:56,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:26:56,057 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd1-alloca.i_Iteration3_Lasso [2019-12-07 18:26:56,057 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:26:56,057 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:26:56,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,323 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-12-07 18:26:56,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:56,715 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:26:56,715 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:26:56,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,725 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 [2019-12-07 18:26:56,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,732 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 [2019-12-07 18:26:56,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,740 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 [2019-12-07 18:26:56,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,748 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 [2019-12-07 18:26:56,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,755 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 [2019-12-07 18:26:56,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,764 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 [2019-12-07 18:26:56,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,766 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,770 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 [2019-12-07 18:26:56,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,778 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 [2019-12-07 18:26:56,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,784 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 [2019-12-07 18:26:56,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,791 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 [2019-12-07 18:26:56,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,797 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 [2019-12-07 18:26:56,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,804 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 [2019-12-07 18:26:56,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,813 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 [2019-12-07 18:26:56,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,820 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 [2019-12-07 18:26:56,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,826 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 [2019-12-07 18:26:56,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,834 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 [2019-12-07 18:26:56,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:56,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:56,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:56,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,841 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 [2019-12-07 18:26:56,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:26:56,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/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 [2019-12-07 18:26:56,870 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 [2019-12-07 18:26:56,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,883 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 [2019-12-07 18:26:56,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:26:56,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,901 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 [2019-12-07 18:26:56,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,924 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 [2019-12-07 18:26:56,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,936 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 [2019-12-07 18:26:56,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,947 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 [2019-12-07 18:26:56,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:56,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:56,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:56,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:56,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:56,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:56,961 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:26:56,971 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 18:26:56,971 INFO L444 ModelExtractionUtils]: 25 out of 31 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:56,973 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:26:56,975 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:26:56,976 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:26:56,976 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0.base) ULTIMATE.start_gcd_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0.base) ULTIMATE.start_gcd_~y_ref~0.offset)_2 Supporting invariants [] [2019-12-07 18:26:57,036 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 18:26:57,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:26:57,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:57,062 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 18:26:57,063 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:26:57,070 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:26:57,070 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-12-07 18:26:57,070 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:26:57,074 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:26:57,074 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:26:57,074 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:6 [2019-12-07 18:26:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:57,080 INFO L264 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 18:26:57,081 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:26:57,118 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:26:57,118 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 64 [2019-12-07 18:26:57,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 18:26:57,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:57,120 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:26:57,153 INFO L614 ElimStorePlain]: treesize reduction 91, result has 31.6 percent of original size [2019-12-07 18:26:57,153 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:26:57,153 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:42 [2019-12-07 18:26:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:26:57,226 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2019-12-07 18:26:57,226 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand 7 states. [2019-12-07 18:26:57,334 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7. Second operand 7 states. Result 40 states and 49 transitions. Complement of second has 14 states. [2019-12-07 18:26:57,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2019-12-07 18:26:57,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 18:26:57,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2019-12-07 18:26:57,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 5 letters. Loop has 5 letters. [2019-12-07 18:26:57,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:57,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 10 letters. Loop has 5 letters. [2019-12-07 18:26:57,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:57,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 18:26:57,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:57,336 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2019-12-07 18:26:57,337 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 18:26:57,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 36 states and 45 transitions. [2019-12-07 18:26:57,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2019-12-07 18:26:57,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-12-07 18:26:57,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2019-12-07 18:26:57,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:26:57,339 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2019-12-07 18:26:57,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2019-12-07 18:26:57,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 19. [2019-12-07 18:26:57,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 18:26:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-12-07 18:26:57,341 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-12-07 18:26:57,341 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-12-07 18:26:57,341 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 18:26:57,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2019-12-07 18:26:57,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:26:57,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:26:57,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:26:57,342 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:26:57,342 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:26:57,343 INFO L794 eck$LassoCheckResult]: Stem: 486#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 476#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet18;havoc main_#t~nondet18;main_~y~0 := main_#t~nondet19;havoc main_#t~nondet19;gcd_#in~x, gcd_#in~y := main_~x~0, main_~y~0;havoc gcd_#res;havoc gcd_#t~malloc2.base, gcd_#t~malloc2.offset, gcd_#t~malloc3.base, gcd_#t~malloc3.offset, gcd_#t~malloc4.base, gcd_#t~malloc4.offset, gcd_#t~mem5, gcd_#t~mem6, gcd_#t~mem7, gcd_#t~mem8, gcd_#t~mem10, gcd_#t~mem13, gcd_#t~mem14, gcd_#t~mem11, gcd_#t~mem12, gcd_#t~mem15, gcd_#t~mem16, gcd_#t~mem9, gcd_#t~mem17, gcd_~x, gcd_~y, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, gcd_~r~0.base, gcd_~r~0.offset;gcd_~x := gcd_#in~x;gcd_~y := gcd_#in~y;call gcd_#t~malloc2.base, gcd_#t~malloc2.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0.base, gcd_~x_ref~0.offset := gcd_#t~malloc2.base, gcd_#t~malloc2.offset;call gcd_#t~malloc3.base, gcd_#t~malloc3.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0.base, gcd_~y_ref~0.offset := gcd_#t~malloc3.base, gcd_#t~malloc3.offset;call gcd_#t~malloc4.base, gcd_#t~malloc4.offset := #Ultimate.allocOnStack(4);gcd_~r~0.base, gcd_~r~0.offset := gcd_#t~malloc4.base, gcd_#t~malloc4.offset;call write~int(gcd_~x, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_~y, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call gcd_#t~mem5 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4); 477#L553 assume !(gcd_#t~mem5 < 0);havoc gcd_#t~mem5; 485#L553-2 call gcd_#t~mem7 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 487#L554 assume !(gcd_#t~mem7 < 0);havoc gcd_#t~mem7; 493#L555-2 call gcd_#t~mem9 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 484#L555 assume !!(gcd_#t~mem9 > 0);havoc gcd_#t~mem9;call gcd_#t~mem10 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_#t~mem10, gcd_~r~0.base, gcd_~r~0.offset, 4);havoc gcd_#t~mem10; 494#L557-3 call gcd_#t~mem11 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem12 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 488#L557-1 assume !!(gcd_#t~mem11 >= gcd_#t~mem12);havoc gcd_#t~mem12;havoc gcd_#t~mem11;call gcd_#t~mem13 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem14 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call write~int(gcd_#t~mem13 - gcd_#t~mem14, gcd_~r~0.base, gcd_~r~0.offset, 4);havoc gcd_#t~mem14;havoc gcd_#t~mem13; 489#L557-3 [2019-12-07 18:26:57,343 INFO L796 eck$LassoCheckResult]: Loop: 489#L557-3 call gcd_#t~mem11 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem12 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 492#L557-1 assume !!(gcd_#t~mem11 >= gcd_#t~mem12);havoc gcd_#t~mem12;havoc gcd_#t~mem11;call gcd_#t~mem13 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem14 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call write~int(gcd_#t~mem13 - gcd_#t~mem14, gcd_~r~0.base, gcd_~r~0.offset, 4);havoc gcd_#t~mem14;havoc gcd_#t~mem13; 489#L557-3 [2019-12-07 18:26:57,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:57,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1182880019, now seen corresponding path program 1 times [2019-12-07 18:26:57,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:57,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645236154] [2019-12-07 18:26:57,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:57,370 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:57,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:57,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times [2019-12-07 18:26:57,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:57,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463056202] [2019-12-07 18:26:57,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:57,380 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:57,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:57,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1418634248, now seen corresponding path program 2 times [2019-12-07 18:26:57,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:57,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242973183] [2019-12-07 18:26:57,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:57,407 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:57,843 WARN L192 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 110 [2019-12-07 18:26:57,960 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-12-07 18:26:57,963 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:26:57,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:26:57,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:26:57,963 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:26:57,963 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:26:57,963 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:57,963 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:26:57,963 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:26:57,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd1-alloca.i_Iteration4_Lasso [2019-12-07 18:26:57,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:26:57,964 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:26:57,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:57,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,159 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-12-07 18:26:58,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:26:58,487 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:26:58,487 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,489 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 [2019-12-07 18:26:58,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,496 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 [2019-12-07 18:26:58,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:58,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:58,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,504 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 [2019-12-07 18:26:58,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:26:58,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,516 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 [2019-12-07 18:26:58,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,522 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 [2019-12-07 18:26:58,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,528 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 [2019-12-07 18:26:58,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,534 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 [2019-12-07 18:26:58,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:58,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:58,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,541 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 [2019-12-07 18:26:58,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,548 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 [2019-12-07 18:26:58,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,553 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 [2019-12-07 18:26:58,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:26:58,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:26:58,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:26:58,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:26:58,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,566 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 [2019-12-07 18:26:58,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:58,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:58,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,586 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 [2019-12-07 18:26:58,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:58,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:58,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,596 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 [2019-12-07 18:26:58,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:58,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:58,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,605 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 [2019-12-07 18:26:58,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:58,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:58,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,614 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 [2019-12-07 18:26:58,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:26:58,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:26:58,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:26:58,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:26:58,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:26:58,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:26:58,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:26:58,641 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 18:26:58,642 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:26:58,644 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:26:58,646 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 18:26:58,646 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:26:58,646 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_gcd_~r~0.base) ULTIMATE.start_gcd_~r~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~r~0.base) ULTIMATE.start_gcd_~r~0.offset)_3 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0.base) ULTIMATE.start_gcd_~y_ref~0.offset)_3 - 1 >= 0] [2019-12-07 18:26:58,689 INFO L297 tatePredicateManager]: 17 out of 21 supporting invariants were superfluous and have been removed [2019-12-07 18:26:58,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:26:58,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:58,724 INFO L264 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 18:26:58,725 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:26:58,731 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2019-12-07 18:26:58,731 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:26:58,740 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:26:58,752 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:26:58,752 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 39 [2019-12-07 18:26:58,753 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 18:26:58,776 INFO L614 ElimStorePlain]: treesize reduction 16, result has 70.4 percent of original size [2019-12-07 18:26:58,776 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:26:58,776 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:46, output treesize:12 [2019-12-07 18:26:58,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 18:26:58,816 INFO L343 Elim1Store]: treesize reduction 24, result has 45.5 percent of original size [2019-12-07 18:26:58,816 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 37 [2019-12-07 18:26:58,817 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:26:58,830 INFO L614 ElimStorePlain]: treesize reduction 20, result has 60.0 percent of original size [2019-12-07 18:26:58,831 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 18:26:58,831 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:30 [2019-12-07 18:26:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:58,844 INFO L264 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 18:26:58,845 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:26:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:26:58,861 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2019-12-07 18:26:58,861 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand 6 states. [2019-12-07 18:26:58,915 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7. Second operand 6 states. Result 25 states and 32 transitions. Complement of second has 10 states. [2019-12-07 18:26:58,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 18:26:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 18:26:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. [2019-12-07 18:26:58,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 18:26:58,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:58,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 11 letters. Loop has 2 letters. [2019-12-07 18:26:58,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:58,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 9 letters. Loop has 4 letters. [2019-12-07 18:26:58,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:26:58,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2019-12-07 18:26:58,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:26:58,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 31 transitions. [2019-12-07 18:26:58,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-12-07 18:26:58,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-12-07 18:26:58,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2019-12-07 18:26:58,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:26:58,918 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-12-07 18:26:58,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2019-12-07 18:26:58,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2019-12-07 18:26:58,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 18:26:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2019-12-07 18:26:58,920 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-12-07 18:26:58,920 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-12-07 18:26:58,920 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 18:26:58,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2019-12-07 18:26:58,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 18:26:58,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:26:58,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:26:58,921 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:26:58,921 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:26:58,921 INFO L794 eck$LassoCheckResult]: Stem: 684#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 674#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet18;havoc main_#t~nondet18;main_~y~0 := main_#t~nondet19;havoc main_#t~nondet19;gcd_#in~x, gcd_#in~y := main_~x~0, main_~y~0;havoc gcd_#res;havoc gcd_#t~malloc2.base, gcd_#t~malloc2.offset, gcd_#t~malloc3.base, gcd_#t~malloc3.offset, gcd_#t~malloc4.base, gcd_#t~malloc4.offset, gcd_#t~mem5, gcd_#t~mem6, gcd_#t~mem7, gcd_#t~mem8, gcd_#t~mem10, gcd_#t~mem13, gcd_#t~mem14, gcd_#t~mem11, gcd_#t~mem12, gcd_#t~mem15, gcd_#t~mem16, gcd_#t~mem9, gcd_#t~mem17, gcd_~x, gcd_~y, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, gcd_~r~0.base, gcd_~r~0.offset;gcd_~x := gcd_#in~x;gcd_~y := gcd_#in~y;call gcd_#t~malloc2.base, gcd_#t~malloc2.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0.base, gcd_~x_ref~0.offset := gcd_#t~malloc2.base, gcd_#t~malloc2.offset;call gcd_#t~malloc3.base, gcd_#t~malloc3.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0.base, gcd_~y_ref~0.offset := gcd_#t~malloc3.base, gcd_#t~malloc3.offset;call gcd_#t~malloc4.base, gcd_#t~malloc4.offset := #Ultimate.allocOnStack(4);gcd_~r~0.base, gcd_~r~0.offset := gcd_#t~malloc4.base, gcd_#t~malloc4.offset;call write~int(gcd_~x, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_~y, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call gcd_#t~mem5 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4); 675#L553 assume !(gcd_#t~mem5 < 0);havoc gcd_#t~mem5; 683#L553-2 call gcd_#t~mem7 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 685#L554 assume !(gcd_#t~mem7 < 0);havoc gcd_#t~mem7; 693#L555-2 call gcd_#t~mem9 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 682#L555 assume !!(gcd_#t~mem9 > 0);havoc gcd_#t~mem9;call gcd_#t~mem10 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_#t~mem10, gcd_~r~0.base, gcd_~r~0.offset, 4);havoc gcd_#t~mem10; 689#L557-3 call gcd_#t~mem11 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem12 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 696#L557-1 assume !!(gcd_#t~mem11 >= gcd_#t~mem12);havoc gcd_#t~mem12;havoc gcd_#t~mem11;call gcd_#t~mem13 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem14 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call write~int(gcd_#t~mem13 - gcd_#t~mem14, gcd_~r~0.base, gcd_~r~0.offset, 4);havoc gcd_#t~mem14;havoc gcd_#t~mem13; 695#L557-3 call gcd_#t~mem11 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem12 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 686#L557-1 assume !(gcd_#t~mem11 >= gcd_#t~mem12);havoc gcd_#t~mem12;havoc gcd_#t~mem11; 676#L557-4 [2019-12-07 18:26:58,921 INFO L796 eck$LassoCheckResult]: Loop: 676#L557-4 call gcd_#t~mem15 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);call write~int(gcd_#t~mem15, gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);havoc gcd_#t~mem15;call gcd_#t~mem16 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call write~int(gcd_#t~mem16, gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4);havoc gcd_#t~mem16; 677#L555-2 call gcd_#t~mem9 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 680#L555 assume !!(gcd_#t~mem9 > 0);havoc gcd_#t~mem9;call gcd_#t~mem10 := read~int(gcd_~x_ref~0.base, gcd_~x_ref~0.offset, 4);call write~int(gcd_#t~mem10, gcd_~r~0.base, gcd_~r~0.offset, 4);havoc gcd_#t~mem10; 691#L557-3 call gcd_#t~mem11 := read~int(gcd_~r~0.base, gcd_~r~0.offset, 4);call gcd_#t~mem12 := read~int(gcd_~y_ref~0.base, gcd_~y_ref~0.offset, 4); 692#L557-1 assume !(gcd_#t~mem11 >= gcd_#t~mem12);havoc gcd_#t~mem12;havoc gcd_#t~mem11; 676#L557-4 [2019-12-07 18:26:58,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:58,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1418634250, now seen corresponding path program 1 times [2019-12-07 18:26:58,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:58,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053067042] [2019-12-07 18:26:58,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:58,944 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:58,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:58,944 INFO L82 PathProgramCache]: Analyzing trace with hash 64312973, now seen corresponding path program 3 times [2019-12-07 18:26:58,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:58,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046129482] [2019-12-07 18:26:58,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:26:58,954 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:26:58,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:26:58,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1038603336, now seen corresponding path program 1 times [2019-12-07 18:26:58,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:26:58,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050226537] [2019-12-07 18:26:58,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:26:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:26:59,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050226537] [2019-12-07 18:26:59,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823301418] [2019-12-07 18:26:59,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e44cbce0-626e-44a4-904b-03d50e65dbac/bin/uautomizer/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:26:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:26:59,113 INFO L264 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 21 conjunts are in the unsatisfiable core [2019-12-07 18:26:59,114 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:26:59,139 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:26:59,139 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 47 [2019-12-07 18:26:59,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,142 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:26:59,162 INFO L614 ElimStorePlain]: treesize reduction 14, result has 76.3 percent of original size [2019-12-07 18:26:59,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,164 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 18:26:59,164 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:45 [2019-12-07 18:26:59,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,237 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-07 18:26:59,325 INFO L343 Elim1Store]: treesize reduction 52, result has 62.0 percent of original size [2019-12-07 18:26:59,325 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 102 treesize of output 120 [2019-12-07 18:26:59,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,332 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,361 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,483 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,483 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,483 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,490 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,490 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,493 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,493 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:26:59,501 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-07 18:26:59,502 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-07 18:26:59,505 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@1e8ce233 [2019-12-07 18:26:59,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:26:59,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-12-07 18:26:59,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279854054] [2019-12-07 18:26:59,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:26:59,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 18:26:59,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-12-07 18:26:59,586 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 10 Second operand 10 states. [2019-12-07 18:26:59,586 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@1e8ce233 at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.lock(ManagedScript.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:354) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:127) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:60) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:62) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:96) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:958) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 18:26:59,589 INFO L168 Benchmark]: Toolchain (without parser) took 6683.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -206.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:59,589 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:26:59,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:59,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:59,590 INFO L168 Benchmark]: Boogie Preprocessor took 17.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:59,590 INFO L168 Benchmark]: RCFGBuilder took 219.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:59,590 INFO L168 Benchmark]: BuchiAutomizer took 6126.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 110.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -90.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:26:59,592 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6126.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 110.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -90.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@1e8ce233 de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@1e8ce233: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.lock(ManagedScript.java:83) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...