./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9551eac17e9ca0a42612f73eb01545dde991582 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:46:12,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:46:12,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:46:12,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:46:12,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:46:12,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:46:12,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:46:12,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:46:12,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:46:12,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:46:12,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:46:12,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:46:12,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:46:12,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:46:12,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:46:12,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:46:12,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:46:12,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:46:12,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:46:12,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:46:12,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:46:12,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:46:12,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:46:12,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:46:12,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:46:12,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:46:12,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:46:12,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:46:12,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:46:12,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:46:12,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:46:12,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:46:12,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:46:12,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:46:12,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:46:12,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:46:12,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:46:12,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:46:12,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:46:12,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:46:12,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:46:12,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 13:46:12,332 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:46:12,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:46:12,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:46:12,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:46:12,333 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:46:12,333 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:46:12,333 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:46:12,333 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:46:12,333 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:46:12,333 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:46:12,334 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:46:12,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:46:12,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:46:12,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:46:12,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:46:12,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:46:12,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:46:12,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:46:12,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:46:12,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:46:12,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:46:12,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:46:12,335 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:46:12,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:46:12,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:46:12,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:46:12,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:46:12,336 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:46:12,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:46:12,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:46:12,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:46:12,336 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:46:12,337 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:46:12,337 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_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9551eac17e9ca0a42612f73eb01545dde991582 [2019-12-07 13:46:12,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:46:12,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:46:12,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:46:12,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:46:12,446 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:46:12,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2019-12-07 13:46:12,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/data/daaca94e8/f3d182b754b148dcb195e5eabd38b2f2/FLAG4a8634361 [2019-12-07 13:46:12,929 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:46:12,929 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2019-12-07 13:46:12,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/data/daaca94e8/f3d182b754b148dcb195e5eabd38b2f2/FLAG4a8634361 [2019-12-07 13:46:13,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/data/daaca94e8/f3d182b754b148dcb195e5eabd38b2f2 [2019-12-07 13:46:13,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:46:13,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:46:13,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:46:13,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:46:13,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:46:13,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4853e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13, skipping insertion in model container [2019-12-07 13:46:13,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:46:13,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:46:13,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:46:13,532 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:46:13,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:46:13,586 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:46:13,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13 WrapperNode [2019-12-07 13:46:13,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:46:13,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:46:13,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:46:13,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:46:13,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:46:13,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:46:13,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:46:13,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:46:13,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... [2019-12-07 13:46:13,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:46:13,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:46:13,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:46:13,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:46:13,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:46:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:46:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:46:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:46:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:46:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:46:13,814 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:46:13,815 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 13:46:13,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:46:13 BoogieIcfgContainer [2019-12-07 13:46:13,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:46:13,816 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:46:13,816 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:46:13,818 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:46:13,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:46:13,819 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:46:13" (1/3) ... [2019-12-07 13:46:13,819 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@459f47c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:46:13, skipping insertion in model container [2019-12-07 13:46:13,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:46:13,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:13" (2/3) ... [2019-12-07 13:46:13,820 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@459f47c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:46:13, skipping insertion in model container [2019-12-07 13:46:13,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:46:13,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:46:13" (3/3) ... [2019-12-07 13:46:13,821 INFO L371 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca-1.i [2019-12-07 13:46:13,848 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:46:13,848 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:46:13,849 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:46:13,849 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:46:13,849 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:46:13,849 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:46:13,849 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:46:13,849 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:46:13,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 13:46:13,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 13:46:13,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:46:13,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:46:13,875 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:46:13,875 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:46:13,876 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:46:13,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 13:46:13,877 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 13:46:13,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:46:13,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:46:13,877 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:46:13,877 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:46:13,882 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 3#L515true assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 5#L515-2true main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 16#L517true assume !(main_~fac~0 < 1 || main_~fac~0 >= 2147483647 / (4 * main_~length~0)); 4#L517-2true call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 10#L520true assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 14#L521-3true [2019-12-07 13:46:13,883 INFO L796 eck$LassoCheckResult]: Loop: 14#L521-3true assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet7; 12#L521-2true main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 14#L521-3true [2019-12-07 13:46:13,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:13,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2019-12-07 13:46:13,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:46:13,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87378685] [2019-12-07 13:46:13,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:13,949 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:46:13,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [864111530] [2019-12-07 13:46:13,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:46:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:14,009 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:46:14,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:14,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2019-12-07 13:46:14,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:46:14,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931874898] [2019-12-07 13:46:14,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:14,032 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:46:14,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:14,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2019-12-07 13:46:14,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:46:14,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971540545] [2019-12-07 13:46:14,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:14,038 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:46:14,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638645383] [2019-12-07 13:46:14,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:46:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:14,090 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:46:14,284 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2019-12-07 13:46:14,360 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:46:14,361 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:46:14,361 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:46:14,361 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:46:14,361 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:46:14,361 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:46:14,361 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:46:14,361 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:46:14,361 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration1_Lasso [2019-12-07 13:46:14,361 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:46:14,362 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:46:14,378 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 13:46:14,382 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 13:46:14,384 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 13:46:14,385 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 13:46:14,387 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 13:46:14,391 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 13:46:14,393 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 13:46:14,394 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 13:46:14,396 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 13:46:14,398 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 13:46:14,400 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 13:46:14,402 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 13:46:14,403 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 13:46:14,405 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 13:46:14,764 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:46:14,769 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,773 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 13:46:14,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:46:14,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:46:14,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:46:14,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,784 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 13:46:14,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:46:14,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:46:14,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:46:14,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,792 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 13:46:14,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:46:14,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:46:14,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:46:14,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:46:14,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:46:14,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:46:14,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:46:14,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,808 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 13:46:14,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:46:14,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:46:14,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,820 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 13:46:14,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:46:14,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:46:14,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,833 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 13:46:14,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:46:14,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:46:14,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,844 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 13:46:14,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:46:14,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:46:14,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:46:14,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,853 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 13:46:14,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:46:14,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:46:14,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,867 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 13:46:14,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:46:14,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:46:14,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:46:14,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:46:14,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:46:14,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:46:14,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,887 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 13:46:14,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:46:14,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:46:14,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:46:14,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,896 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 13:46:14,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:46:14,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:46:14,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,906 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 13:46:14,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:46:14,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:46:14,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:46:14,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,915 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 13:46:14,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:46:14,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:46:14,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:46:14,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:46:14,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:46:14,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:46:14,932 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:46:14,949 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 13:46:14,949 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:46:14,953 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:46:14,958 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 13:46:14,958 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:46:14,959 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2019-12-07 13:46:14,975 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 13:46:14,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:46:15,004 INFO L264 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:46:15,006 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:46:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:46:15,018 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:46:15,018 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:46:15,026 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 13:46:15,041 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 13:46:15,043 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-12-07 13:46:15,093 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 35 states and 46 transitions. Complement of second has 7 states. [2019-12-07 13:46:15,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 13:46:15,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 13:46:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-12-07 13:46:15,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 13:46:15,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:46:15,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 13:46:15,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:46:15,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2019-12-07 13:46:15,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:46:15,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2019-12-07 13:46:15,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:46:15,107 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 17 transitions. [2019-12-07 13:46:15,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 13:46:15,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 13:46:15,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-12-07 13:46:15,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:46:15,109 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 13:46:15,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-12-07 13:46:15,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-07 13:46:15,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 13:46:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-12-07 13:46:15,135 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 13:46:15,135 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 13:46:15,135 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 13:46:15,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-12-07 13:46:15,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:46:15,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:46:15,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:46:15,137 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:46:15,137 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:46:15,137 INFO L794 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 129#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 130#L515 assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 134#L515-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 140#L517 assume !(main_~fac~0 < 1 || main_~fac~0 >= 2147483647 / (4 * main_~length~0)); 135#L517-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 136#L520 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 137#L521-3 assume !(main_~i~0 < main_~length~0); 141#L521-4 main_~j~0 := 0; 131#L524-3 [2019-12-07 13:46:15,137 INFO L796 eck$LassoCheckResult]: Loop: 131#L524-3 assume !!(main_~j~0 < main_~length~0 * main_~fac~0);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (if main_~i~0 < 0 && 0 != main_~i~0 % main_~length~0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0), 4);call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem9; 132#L524-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 131#L524-3 [2019-12-07 13:46:15,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:15,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2019-12-07 13:46:15,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:46:15,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85633051] [2019-12-07 13:46:15,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:15,142 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:46:15,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54608676] [2019-12-07 13:46:15,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:46:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:46:15,175 INFO L264 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:46:15,176 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:46:15,189 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 13:46:15,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85633051] [2019-12-07 13:46:15,190 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 13:46:15,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54608676] [2019-12-07 13:46:15,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:46:15,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:46:15,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564627700] [2019-12-07 13:46:15,193 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 13:46:15,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:15,207 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2019-12-07 13:46:15,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:46:15,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483018364] [2019-12-07 13:46:15,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:15,213 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:46:15,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283952614] [2019-12-07 13:46:15,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:46:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:15,243 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:46:15,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:46:15,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:46:15,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:46:15,312 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-12-07 13:46:15,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:46:15,338 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-12-07 13:46:15,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:46:15,339 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2019-12-07 13:46:15,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:46:15,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2019-12-07 13:46:15,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 13:46:15,340 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 13:46:15,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2019-12-07 13:46:15,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:46:15,340 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-12-07 13:46:15,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2019-12-07 13:46:15,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-12-07 13:46:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 13:46:15,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-12-07 13:46:15,341 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 13:46:15,341 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 13:46:15,341 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 13:46:15,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-12-07 13:46:15,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 13:46:15,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:46:15,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:46:15,342 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:46:15,342 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:46:15,342 INFO L794 eck$LassoCheckResult]: Stem: 191#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 187#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 188#L515 assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 192#L515-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 198#L517 assume !(main_~fac~0 < 1 || main_~fac~0 >= 2147483647 / (4 * main_~length~0)); 193#L517-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 194#L520 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 195#L521-3 assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet7; 196#L521-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 197#L521-3 assume !(main_~i~0 < main_~length~0); 199#L521-4 main_~j~0 := 0; 189#L524-3 [2019-12-07 13:46:15,343 INFO L796 eck$LassoCheckResult]: Loop: 189#L524-3 assume !!(main_~j~0 < main_~length~0 * main_~fac~0);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (if main_~i~0 < 0 && 0 != main_~i~0 % main_~length~0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0), 4);call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem9; 190#L524-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 189#L524-3 [2019-12-07 13:46:15,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:15,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2019-12-07 13:46:15,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:46:15,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679048339] [2019-12-07 13:46:15,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:15,346 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:46:15,347 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572610346] [2019-12-07 13:46:15,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:46:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:18,516 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:46:18,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:18,516 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2019-12-07 13:46:18,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:46:18,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946492873] [2019-12-07 13:46:18,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:18,518 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:46:18,519 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763375819] [2019-12-07 13:46:18,519 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:46:18,542 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-12-07 13:46:18,542 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 13:46:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:18,547 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:46:18,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:18,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2019-12-07 13:46:18,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:46:18,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544660833] [2019-12-07 13:46:18,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:18,551 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:46:18,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [425061973] [2019-12-07 13:46:18,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/bin/uautomizer/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:46:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:18,589 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:49:53,864 WARN L192 SmtUtils]: Spent 3.59 m on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2019-12-07 13:50:29,862 WARN L192 SmtUtils]: Spent 35.99 s on a formula simplification that was a NOOP. DAG size: 70 [2019-12-07 13:50:29,864 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:50:29,864 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:50:29,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:50:29,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:50:29,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:50:29,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:50:29,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:50:29,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:50:29,865 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration3_Lasso [2019-12-07 13:50:29,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:50:29,865 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:50:29,869 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 13:50:29,872 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 13:50:29,874 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 13:50:29,877 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 13:50:29,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:50:29,879 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 13:50:29,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:50:29,882 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 13:50:29,883 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 13:50:29,885 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 13:50:30,160 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2019-12-07 13:50:30,268 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 13:50:30,270 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 13:50:30,271 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 13:50:30,406 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2019-12-07 13:50:30,683 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 53 [2019-12-07 13:50:30,935 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:50:30,935 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:30,939 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 13:50:30,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:30,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:50:30,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:30,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:30,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:30,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:50:30,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:50:30,942 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:30,946 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 13:50:30,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:30,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:50:30,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:30,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:30,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:30,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:50:30,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:50:30,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:30,954 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 13:50:30,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:30,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:50:30,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:30,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:30,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:30,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:50:30,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:50:30,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:30,961 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 13:50:30,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:30,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:50:30,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:30,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:30,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:30,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:50:30,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:50:30,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:30,969 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 13:50:30,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:30,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:50:30,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:30,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:30,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:30,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:50:30,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:50:30,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:30,984 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 13:50:30,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:30,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:30,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:30,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:30,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:50:30,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:50:30,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:30,994 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 13:50:30,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:30,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:50:30,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:30,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:30,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:30,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:50:30,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:50:30,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:31,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:50:31,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:31,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:31,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:31,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:31,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:50:31,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:50:31,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:31,011 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 13:50:31,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:31,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:31,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:31,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:31,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:50:31,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:50:31,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:31,022 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 13:50:31,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:31,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:31,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:31,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:31,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:50:31,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:50:31,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:31,035 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 13:50:31,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:31,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:50:31,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:31,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:50:31,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:31,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:50:31,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:50:31,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:31,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:50:31,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:50:31,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:50:31,048 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 13:50:31,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:50:31,071 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 13:50:31,071 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:50:31,130 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:50:31,212 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-12-07 13:50:31,212 INFO L444 ModelExtractionUtils]: 27 out of 66 variables were initially zero. Simplification set additionally 35 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbcdf52b-1e44-4af1-95c8-8f23c86f5db4/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 13:50:31,214 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:50:31,218 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-12-07 13:50:31,218 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:50:31,218 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1, ULTIMATE.start_main_~arr2~0.offset) = -4*ULTIMATE.start_main_~j~0 + 1*v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1 - 1*ULTIMATE.start_main_~arr2~0.offset Supporting invariants [] [2019-12-07 13:50:31,245 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 13:50:31,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 13:50:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:31,264 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:50:31,265 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:31,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:50:31,269 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:31,277 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 13:50:31,278 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 13:50:31,278 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 13:50:31,286 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 19 transitions. Complement of second has 4 states. [2019-12-07 13:50:31,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:50:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 13:50:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2019-12-07 13:50:31,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2019-12-07 13:50:31,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:50:31,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2019-12-07 13:50:31,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:50:31,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2019-12-07 13:50:31,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:50:31,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-12-07 13:50:31,289 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:50:31,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-12-07 13:50:31,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 13:50:31,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 13:50:31,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 13:50:31,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:50:31,289 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:50:31,289 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:50:31,289 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:50:31,289 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 13:50:31,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:50:31,289 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:50:31,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 13:50:31,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:50:31 BoogieIcfgContainer [2019-12-07 13:50:31,293 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:50:31,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:50:31,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:50:31,294 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:50:31,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:46:13" (3/4) ... [2019-12-07 13:50:31,296 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:50:31,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:50:31,297 INFO L168 Benchmark]: Toolchain (without parser) took 258035.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 942.5 MB in the beginning and 1.2 GB in the end (delta: -219.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:50:31,297 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:50:31,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:31,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:31,299 INFO L168 Benchmark]: Boogie Preprocessor took 17.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:50:31,300 INFO L168 Benchmark]: RCFGBuilder took 183.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:31,300 INFO L168 Benchmark]: BuchiAutomizer took 257477.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:50:31,301 INFO L168 Benchmark]: Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:31,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 183.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 257477.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function -4 * j + unknown-#length-unknown[arr2] + -1 * arr2 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 257.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 257.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 38 SDtfs, 41 SDslu, 15 SDs, 0 SdLazy, 33 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax109 hnf98 lsp86 ukn86 mio100 lsp70 div149 bol100 ite187 ukn100 eq136 hnf92 smp50 dnf116 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 178ms VariablesStem: 13 VariablesLoop: 11 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...