./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.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_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 95f114a9b30107b01a4872fae9e8e5c20e3a4272 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:24:43,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:24:43,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:24:43,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:24:43,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:24:43,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:24:43,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:24:43,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:24:43,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:24:43,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:24:43,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:24:43,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:24:43,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:24:43,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:24:43,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:24:43,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:24:43,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:24:43,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:24:43,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:24:43,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:24:43,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:24:43,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:24:43,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:24:43,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:24:43,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:24:43,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:24:43,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:24:43,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:24:43,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:24:43,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:24:43,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:24:43,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:24:43,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:24:43,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:24:43,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:24:43,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:24:43,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:24:43,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:24:43,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:24:43,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:24:43,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:24:43,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 13:24:43,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:24:43,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:24:43,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:24:43,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:24:43,348 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:24:43,348 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:24:43,348 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:24:43,349 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:24:43,349 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:24:43,349 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:24:43,349 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:24:43,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:24:43,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:24:43,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:24:43,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:24:43,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:24:43,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:24:43,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:24:43,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:24:43,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:24:43,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:24:43,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:24:43,350 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:24:43,351 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:24:43,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:24:43,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:24:43,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:24:43,351 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:24:43,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:24:43,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:24:43,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:24:43,351 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:24:43,352 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:24:43,352 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_2227f297-1782-42a2-86e5-ac42152de99b/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 -> 95f114a9b30107b01a4872fae9e8e5c20e3a4272 [2019-12-07 13:24:43,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:24:43,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:24:43,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:24:43,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:24:43,460 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:24:43,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2019-12-07 13:24:43,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/data/8338382a4/eea549167ee041cfa413d27db835f99f/FLAG843710321 [2019-12-07 13:24:43,852 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:24:43,853 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2019-12-07 13:24:43,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/data/8338382a4/eea549167ee041cfa413d27db835f99f/FLAG843710321 [2019-12-07 13:24:43,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/data/8338382a4/eea549167ee041cfa413d27db835f99f [2019-12-07 13:24:43,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:24:43,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:24:43,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:24:43,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:24:43,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:24:43,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:43" (1/1) ... [2019-12-07 13:24:43,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd41acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:43, skipping insertion in model container [2019-12-07 13:24:43,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:43" (1/1) ... [2019-12-07 13:24:43,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:24:43,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:24:44,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:24:44,178 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:24:44,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:24:44,268 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:24:44,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44 WrapperNode [2019-12-07 13:24:44,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:24:44,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:24:44,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:24:44,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:24:44,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... [2019-12-07 13:24:44,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... [2019-12-07 13:24:44,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:24:44,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:24:44,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:24:44,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:24:44,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... [2019-12-07 13:24:44,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... [2019-12-07 13:24:44,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... [2019-12-07 13:24:44,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... [2019-12-07 13:24:44,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... [2019-12-07 13:24:44,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... [2019-12-07 13:24:44,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... [2019-12-07 13:24:44,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:24:44,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:24:44,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:24:44,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:24:44,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:24:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 13:24:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:24:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 13:24:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:24:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:24:44,524 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:24:44,524 INFO L287 CfgBuilder]: Removed 11 assume(true) statements. [2019-12-07 13:24:44,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:24:44 BoogieIcfgContainer [2019-12-07 13:24:44,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:24:44,525 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:24:44,525 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:24:44,528 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:24:44,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:24:44,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:24:43" (1/3) ... [2019-12-07 13:24:44,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11052f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:24:44, skipping insertion in model container [2019-12-07 13:24:44,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:24:44,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:44" (2/3) ... [2019-12-07 13:24:44,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11052f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:24:44, skipping insertion in model container [2019-12-07 13:24:44,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:24:44,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:24:44" (3/3) ... [2019-12-07 13:24:44,531 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_3.i [2019-12-07 13:24:44,559 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:24:44,559 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:24:44,559 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:24:44,559 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:24:44,559 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:24:44,559 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:24:44,559 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:24:44,560 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:24:44,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 13:24:44,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 13:24:44,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:24:44,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:24:44,586 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 13:24:44,587 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 13:24:44,587 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:24:44,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 13:24:44,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 13:24:44,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:24:44,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:24:44,588 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 13:24:44,588 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 13:24:44,591 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 3#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 4#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 10#L529true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0; 6#L765true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 11#L766-3true [2019-12-07 13:24:44,592 INFO L796 eck$LassoCheckResult]: Loop: 11#L766-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 7#L526-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 12#L529-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset;call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 9#L766-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 11#L766-3true [2019-12-07 13:24:44,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:44,596 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-12-07 13:24:44,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:24:44,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079659059] [2019-12-07 13:24:44,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:24:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:44,716 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 13:24:44,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079659059] [2019-12-07 13:24:44,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:24:44,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:24:44,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268413452] [2019-12-07 13:24:44,720 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 13:24:44,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:44,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2019-12-07 13:24:44,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:24:44,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121041945] [2019-12-07 13:24:44,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:24:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:44,757 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:24:44,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:24:44,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:24:44,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:24:44,902 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2019-12-07 13:24:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:24:44,937 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2019-12-07 13:24:44,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:24:44,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 23 transitions. [2019-12-07 13:24:44,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 13:24:44,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 12 states and 13 transitions. [2019-12-07 13:24:44,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 13:24:44,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 13:24:44,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2019-12-07 13:24:44,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:24:44,944 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-12-07 13:24:44,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2019-12-07 13:24:44,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 9. [2019-12-07 13:24:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 13:24:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-12-07 13:24:44,961 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-12-07 13:24:44,961 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-12-07 13:24:44,961 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 13:24:44,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2019-12-07 13:24:44,962 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 13:24:44,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:24:44,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:24:44,962 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 13:24:44,962 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 13:24:44,962 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 45#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 46#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 47#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0; 51#L765 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 52#L766-3 [2019-12-07 13:24:44,962 INFO L796 eck$LassoCheckResult]: Loop: 52#L766-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 49#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 50#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset;call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 53#L766-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 52#L766-3 [2019-12-07 13:24:44,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:44,963 INFO L82 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2019-12-07 13:24:44,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:24:44,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478411024] [2019-12-07 13:24:44,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:24:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:44,983 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:24:44,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:44,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 2 times [2019-12-07 13:24:44,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:24:44,984 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005630040] [2019-12-07 13:24:44,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:24:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:45,001 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:24:45,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:45,002 INFO L82 PathProgramCache]: Analyzing trace with hash -592037012, now seen corresponding path program 1 times [2019-12-07 13:24:45,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:24:45,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496218764] [2019-12-07 13:24:45,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:24:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:45,034 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:24:45,263 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-12-07 13:24:45,331 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:24:45,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:24:45,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:24:45,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:24:45,333 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:24:45,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:24:45,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:24:45,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:24:45,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_3.i_Iteration2_Lasso [2019-12-07 13:24:45,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:24:45,333 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:24:45,352 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 13:24:45,357 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 13:24:45,359 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 13:24:45,360 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 13:24:45,362 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 13:24:45,364 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 13:24:45,366 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 13:24:45,367 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 13:24:45,369 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 13:24:45,374 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 13:24:45,525 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-07 13:24:45,582 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 13:24:45,584 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 13:24:45,586 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 13:24:45,588 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 13:24:46,011 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:24:46,014 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:24:46,018 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 13:24:46,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:24:46,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:24:46,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:24:46,035 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 13:24:46,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:24:46,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:24:46,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:24:46,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,042 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 13:24:46,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:24:46,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:24:46,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:24:46,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,052 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 13:24:46,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:24:46,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:24:46,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:24:46,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,059 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 13:24:46,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:24:46,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:24:46,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,069 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 13:24:46,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:24:46,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:24:46,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:24:46,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:24:46,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:24:46,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:24:46,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:24:46,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:24:46,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:24:46,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:24:46,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,099 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 13:24:46,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:24:46,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:24:46,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:24:46,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:24:46,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:24:46,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,120 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 13:24:46,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:24:46,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:24:46,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,129 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 13:24:46,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:24:46,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:24:46,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:24:46,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,136 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 13:24:46,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:24:46,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:24:46,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:24:46,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:24:46,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:24:46,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:24:46,165 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:24:46,187 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 13:24:46,188 INFO L444 ModelExtractionUtils]: 18 out of 43 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2227f297-1782-42a2-86e5-ac42152de99b/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 13:24:46,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:24:46,198 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 13:24:46,198 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:24:46,198 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~i~0) = 1*ULTIMATE.start_entry_point_~len~0 - 1*ULTIMATE.start_entry_point_~i~0 Supporting invariants [] [2019-12-07 13:24:46,215 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-12-07 13:24:46,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:46,245 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:24:46,246 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:46,258 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:24:46,258 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:46,266 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 13:24:46,268 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 13:24:46,269 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand 3 states. [2019-12-07 13:24:46,292 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 13 states and 16 transitions. Complement of second has 4 states. [2019-12-07 13:24:46,292 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 13:24:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 13:24:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-12-07 13:24:46,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 13:24:46,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:24:46,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 4 letters. [2019-12-07 13:24:46,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:24:46,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 8 letters. [2019-12-07 13:24:46,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:24:46,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-12-07 13:24:46,296 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:24:46,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-12-07 13:24:46,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 13:24:46,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 13:24:46,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 13:24:46,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:24:46,297 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:24:46,297 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:24:46,297 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:24:46,297 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 13:24:46,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:24:46,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:24:46,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 13:24:46,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:24:46 BoogieIcfgContainer [2019-12-07 13:24:46,301 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:24:46,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:24:46,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:24:46,302 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:24:46,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:24:44" (3/4) ... [2019-12-07 13:24:46,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:24:46,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:24:46,305 INFO L168 Benchmark]: Toolchain (without parser) took 2429.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:46,306 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:24:46,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:46,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.73 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:46,307 INFO L168 Benchmark]: Boogie Preprocessor took 19.03 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 13:24:46,307 INFO L168 Benchmark]: RCFGBuilder took 200.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:46,308 INFO L168 Benchmark]: BuchiAutomizer took 1775.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.3 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:46,308 INFO L168 Benchmark]: Witness Printer took 2.96 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:24:46,310 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 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.73 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.03 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 200.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1775.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.3 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.96 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function len + -1 * i 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 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 25 SDtfs, 19 SDslu, 21 SDs, 0 SdLazy, 20 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital253 mio100 ax111 hnf101 lsp86 ukn64 mio100 lsp57 div100 bol100 ite100 ukn100 eq201 hnf88 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...