./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10c50c605d9fb7cd886e3d668ba568a2b619230b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:30:10,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:30:10,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:30:10,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:30:10,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:30:10,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:30:10,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:30:10,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:30:10,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:30:10,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:30:10,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:30:10,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:30:10,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:30:10,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:30:10,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:30:10,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:30:10,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:30:10,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:30:10,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:30:10,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:30:10,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:30:10,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:30:10,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:30:10,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:30:10,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:30:10,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:30:10,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:30:10,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:30:10,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:30:10,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:30:10,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:30:10,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:30:10,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:30:10,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:30:10,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:30:10,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:30:10,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:30:10,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:30:10,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:30:10,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:30:10,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:30:10,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 10:30:10,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:30:10,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:30:10,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:30:10,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:30:10,977 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:30:10,977 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:30:10,977 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:30:10,978 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:30:10,978 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:30:10,978 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:30:10,978 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:30:10,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:30:10,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:30:10,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:30:10,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:30:10,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:30:10,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:30:10,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:30:10,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:30:10,979 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:30:10,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:30:10,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:30:10,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:30:10,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:30:10,980 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:30:10,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:30:10,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:30:10,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:30:10,980 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:30:10,981 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:30:10,981 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_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10c50c605d9fb7cd886e3d668ba568a2b619230b [2019-12-07 10:30:11,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:30:11,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:30:11,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:30:11,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:30:11,095 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:30:11,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2019-12-07 10:30:11,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/data/5783cb3a7/a02da1da3e6a4d31a4158d041f62697a/FLAG36f400472 [2019-12-07 10:30:11,544 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:30:11,544 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2019-12-07 10:30:11,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/data/5783cb3a7/a02da1da3e6a4d31a4158d041f62697a/FLAG36f400472 [2019-12-07 10:30:11,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/data/5783cb3a7/a02da1da3e6a4d31a4158d041f62697a [2019-12-07 10:30:11,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:30:11,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:30:11,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:30:11,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:30:11,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:30:11,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:30:11" (1/1) ... [2019-12-07 10:30:11,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3956214f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:11, skipping insertion in model container [2019-12-07 10:30:11,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:30:11" (1/1) ... [2019-12-07 10:30:11,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:30:11,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:30:12,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:30:12,201 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:30:12,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:30:12,257 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:30:12,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12 WrapperNode [2019-12-07 10:30:12,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:30:12,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:30:12,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:30:12,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:30:12,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... [2019-12-07 10:30:12,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... [2019-12-07 10:30:12,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:30:12,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:30:12,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:30:12,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:30:12,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... [2019-12-07 10:30:12,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... [2019-12-07 10:30:12,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... [2019-12-07 10:30:12,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... [2019-12-07 10:30:12,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... [2019-12-07 10:30:12,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... [2019-12-07 10:30:12,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... [2019-12-07 10:30:12,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:30:12,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:30:12,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:30:12,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:30:12,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:30:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:30:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:30:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:30:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:30:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:30:12,475 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:30:12,475 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 10:30:12,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:30:12 BoogieIcfgContainer [2019-12-07 10:30:12,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:30:12,477 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:30:12,477 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:30:12,479 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:30:12,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:30:12,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:30:11" (1/3) ... [2019-12-07 10:30:12,481 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13e9b7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:30:12, skipping insertion in model container [2019-12-07 10:30:12,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:30:12,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:30:12" (2/3) ... [2019-12-07 10:30:12,481 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13e9b7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:30:12, skipping insertion in model container [2019-12-07 10:30:12,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:30:12,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:30:12" (3/3) ... [2019-12-07 10:30:12,482 INFO L371 chiAutomizerObserver]: Analyzing ICFG array01-alloca-1.i [2019-12-07 10:30:12,510 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:30:12,510 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:30:12,510 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:30:12,510 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:30:12,510 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:30:12,510 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:30:12,510 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:30:12,510 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:30:12,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-12-07 10:30:12,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 10:30:12,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:30:12,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:30:12,537 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 10:30:12,537 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 10:30:12,537 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:30:12,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-12-07 10:30:12,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 10:30:12,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:30:12,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:30:12,538 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 10:30:12,538 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 10:30:12,543 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 10#L561true assume !(main_~array_size~0 < 1); 14#L561-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 3#L551-3true [2019-12-07 10:30:12,543 INFO L796 eck$LassoCheckResult]: Loop: 3#L551-3true assume !!(test_fun_~i~0 < test_fun_~N); 12#L552-3true assume !true; 13#L551-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 3#L551-3true [2019-12-07 10:30:12,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:12,547 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-12-07 10:30:12,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:12,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054338956] [2019-12-07 10:30:12,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:12,637 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:12,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:12,638 INFO L82 PathProgramCache]: Analyzing trace with hash 47058, now seen corresponding path program 1 times [2019-12-07 10:30:12,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:12,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529765954] [2019-12-07 10:30:12,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:12,657 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 10:30:12,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529765954] [2019-12-07 10:30:12,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:30:12,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:30:12,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798021491] [2019-12-07 10:30:12,661 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:30:12,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:30:12,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:30:12,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:30:12,673 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-12-07 10:30:12,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:30:12,677 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-12-07 10:30:12,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:30:12,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2019-12-07 10:30:12,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 10:30:12,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 10 transitions. [2019-12-07 10:30:12,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-12-07 10:30:12,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-12-07 10:30:12,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-12-07 10:30:12,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:30:12,683 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-12-07 10:30:12,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-12-07 10:30:12,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-12-07 10:30:12,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 10:30:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-12-07 10:30:12,700 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-12-07 10:30:12,700 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-12-07 10:30:12,700 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:30:12,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-12-07 10:30:12,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 10:30:12,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:30:12,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:30:12,701 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 10:30:12,701 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 10:30:12,701 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 34#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 35#L561 assume !(main_~array_size~0 < 1); 41#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 36#L551-3 [2019-12-07 10:30:12,701 INFO L796 eck$LassoCheckResult]: Loop: 36#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 37#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 39#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 40#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 36#L551-3 [2019-12-07 10:30:12,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:12,702 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2019-12-07 10:30:12,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:12,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127968112] [2019-12-07 10:30:12,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:12,718 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:12,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:12,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1451916, now seen corresponding path program 1 times [2019-12-07 10:30:12,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:12,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956821803] [2019-12-07 10:30:12,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:12,728 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:12,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:12,729 INFO L82 PathProgramCache]: Analyzing trace with hash 176797040, now seen corresponding path program 1 times [2019-12-07 10:30:12,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:12,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357572275] [2019-12-07 10:30:12,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:12,755 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:12,933 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:30:12,933 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:30:12,933 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:30:12,933 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:30:12,933 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:30:12,933 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:30:12,934 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:30:12,934 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:30:12,934 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration2_Lasso [2019-12-07 10:30:12,934 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:30:12,934 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:30:12,950 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 10:30:12,955 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 10:30:12,956 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 10:30:12,957 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 10:30:12,960 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 10:30:12,963 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 10:30:12,964 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 10:30:12,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:30:12,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:30:13,059 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 10:30:13,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:30:13,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:30:13,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:30:13,066 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 10:30:13,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:30:13,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:30:13,267 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:30:13,270 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,274 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 10:30:13,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:13,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:13,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:13,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:13,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:13,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:13,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:13,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:30:13,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:13,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:13,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:13,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:13,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:13,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:13,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:13,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,295 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 10:30:13,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:13,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:13,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:13,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:13,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:13,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:13,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:13,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,301 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 10:30:13,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:13,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:13,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:13,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:13,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:13,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:13,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,311 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 10:30:13,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:13,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:13,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:13,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:13,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:13,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:13,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,321 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 10:30:13,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:13,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:13,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:13,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:13,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:13,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:13,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:13,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,328 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 10:30:13,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:13,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:13,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:13,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:13,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:13,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:13,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,338 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 10:30:13,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:13,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:13,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:13,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:13,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:13,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:13,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,349 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 10:30:13,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:13,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:13,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:13,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:13,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:13,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:13,373 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:30:13,401 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-12-07 10:30:13,401 INFO L444 ModelExtractionUtils]: 20 out of 34 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:13,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:30:13,409 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 10:30:13,409 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:30:13,410 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1, ULTIMATE.start_test_fun_~i~0) = 1*v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1 - 4*ULTIMATE.start_test_fun_~i~0 Supporting invariants [1*ULTIMATE.start_test_fun_~a.offset >= 0] [2019-12-07 10:30:13,423 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 10:30:13,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 10:30:13,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:13,477 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:30:13,478 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:13,488 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:30:13,489 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:13,504 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 10:30:13,507 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 10:30:13,508 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-12-07 10:30:13,555 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 14 states and 18 transitions. Complement of second has 6 states. [2019-12-07 10:30:13,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:30:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 10:30:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-12-07 10:30:13,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 10:30:13,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:13,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2019-12-07 10:30:13,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:13,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 8 letters. [2019-12-07 10:30:13,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:13,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2019-12-07 10:30:13,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:30:13,560 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 17 transitions. [2019-12-07 10:30:13,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-12-07 10:30:13,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-12-07 10:30:13,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-12-07 10:30:13,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:30:13,561 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 10:30:13,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-12-07 10:30:13,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2019-12-07 10:30:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 10:30:13,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-12-07 10:30:13,562 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-12-07 10:30:13,562 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-12-07 10:30:13,562 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 10:30:13,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2019-12-07 10:30:13,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:30:13,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:30:13,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:30:13,563 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 10:30:13,563 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 10:30:13,563 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 124#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 125#L561 assume !(main_~array_size~0 < 1); 134#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 126#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 128#L552-3 [2019-12-07 10:30:13,564 INFO L796 eck$LassoCheckResult]: Loop: 128#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 131#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 128#L552-3 [2019-12-07 10:30:13,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:13,564 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2019-12-07 10:30:13,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:13,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428450560] [2019-12-07 10:30:13,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:13,578 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:13,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:13,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2019-12-07 10:30:13,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:13,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543135410] [2019-12-07 10:30:13,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:13,588 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:13,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:13,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2019-12-07 10:30:13,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:13,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617757132] [2019-12-07 10:30:13,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:13,609 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:13,752 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:30:13,753 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:30:13,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:30:13,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:30:13,753 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:30:13,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:30:13,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:30:13,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:30:13,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration3_Lasso [2019-12-07 10:30:13,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:30:13,753 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:30:13,756 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 10:30:13,757 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 10:30:13,759 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 10:30:13,761 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 10:30:13,762 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 10:30:13,832 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 10:30:13,834 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 10:30:13,835 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 10:30:13,836 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 10:30:13,837 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 10:30:13,838 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 10:30:13,840 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 10:30:13,841 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 10:30:13,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:30:13,843 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 10:30:13,845 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 10:30:14,013 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:30:14,014 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,018 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 10:30:14,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:14,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:14,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:14,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,025 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 10:30:14,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,038 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 10:30:14,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:14,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:14,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:14,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,046 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 10:30:14,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,054 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 10:30:14,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:14,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:14,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:14,058 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:30:14,062 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:30:14,062 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,066 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:30:14,066 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:30:14,066 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:30:14,066 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2019-12-07 10:30:14,073 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 10:30:14,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:30:14,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:14,090 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:30:14,091 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:14,096 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:30:14,096 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:14,105 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 10:30:14,105 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 10:30:14,106 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-12-07 10:30:14,119 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 20 states and 26 transitions. Complement of second has 7 states. [2019-12-07 10:30:14,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:30:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:30:14,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-12-07 10:30:14,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 10:30:14,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:14,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 10:30:14,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:14,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 10:30:14,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:14,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2019-12-07 10:30:14,122 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:30:14,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 19 transitions. [2019-12-07 10:30:14,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-12-07 10:30:14,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-12-07 10:30:14,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-12-07 10:30:14,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:30:14,123 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-12-07 10:30:14,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-12-07 10:30:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-12-07 10:30:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 10:30:14,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-12-07 10:30:14,125 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-12-07 10:30:14,125 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-12-07 10:30:14,125 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 10:30:14,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2019-12-07 10:30:14,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:30:14,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:30:14,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:30:14,126 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:30:14,126 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 10:30:14,127 INFO L794 eck$LassoCheckResult]: Stem: 219#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 217#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 218#L561 assume !(main_~array_size~0 < 1); 223#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 212#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 213#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 221#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 222#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 214#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 215#L552-3 [2019-12-07 10:30:14,127 INFO L796 eck$LassoCheckResult]: Loop: 215#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 220#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 215#L552-3 [2019-12-07 10:30:14,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:14,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1185740961, now seen corresponding path program 2 times [2019-12-07 10:30:14,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:14,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324691457] [2019-12-07 10:30:14,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:14,148 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:14,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:14,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2019-12-07 10:30:14,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:14,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844814399] [2019-12-07 10:30:14,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:14,158 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:14,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:14,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1330730790, now seen corresponding path program 1 times [2019-12-07 10:30:14,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:30:14,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927637671] [2019-12-07 10:30:14,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:30:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:30:14,183 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:30:14,327 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:30:14,328 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:30:14,328 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:30:14,328 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:30:14,328 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:30:14,328 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:30:14,328 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:30:14,328 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:30:14,328 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration4_Lasso [2019-12-07 10:30:14,328 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:30:14,328 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:30:14,331 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 10:30:14,333 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 10:30:14,335 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 10:30:14,337 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 10:30:14,339 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 10:30:14,340 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 10:30:14,341 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 10:30:14,343 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 10:30:14,426 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 10:30:14,427 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 10:30:14,429 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 10:30:14,430 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 10:30:14,431 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 10:30:14,432 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 10:30:14,434 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 10:30:14,435 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 10:30:14,600 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:30:14,601 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:30:14,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:14,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:14,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:14,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,611 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 10:30:14,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:30:14,620 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 10:30:14,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:30:14,630 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 10:30:14,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:30:14,640 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 10:30:14,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:14,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:14,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:14,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:30:14,648 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 10:30:14,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:14,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:14,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:14,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:30:14,655 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 10:30:14,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,663 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 10:30:14,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,676 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 10:30:14,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,687 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 10:30:14,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:30:14,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:30:14,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:30:14,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,715 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 10:30:14,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:30:14,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:30:14,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:30:14,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:30:14,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:30:14,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:30:14,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:30:14,718 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:30:14,721 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:30:14,721 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22c8b654-a2d1-4ea7-8313-a7e95a6f0593/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 10:30:14,723 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:30:14,723 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:30:14,724 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:30:14,724 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1 Supporting invariants [] [2019-12-07 10:30:14,731 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 10:30:14,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:30:14,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:14,746 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:30:14,746 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:14,750 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:30:14,751 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:14,758 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 10:30:14,758 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 10:30:14,759 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-12-07 10:30:14,771 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 7 states. [2019-12-07 10:30:14,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:30:14,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:30:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-12-07 10:30:14,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 10:30:14,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:14,772 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 10:30:14,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:14,786 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:30:14,786 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:14,790 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:30:14,790 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:14,797 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 10:30:14,797 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 10:30:14,797 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-12-07 10:30:14,806 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 7 states. [2019-12-07 10:30:14,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:30:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:30:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-12-07 10:30:14,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 10:30:14,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:14,807 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 10:30:14,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:30:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:14,821 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:30:14,822 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:30:14,827 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:30:14,827 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:30:14,835 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 10:30:14,835 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 10:30:14,836 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-12-07 10:30:14,847 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 20 states and 26 transitions. Complement of second has 6 states. [2019-12-07 10:30:14,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:30:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:30:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-12-07 10:30:14,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 10:30:14,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:14,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2019-12-07 10:30:14,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:14,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2019-12-07 10:30:14,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:30:14,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2019-12-07 10:30:14,850 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:30:14,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2019-12-07 10:30:14,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:30:14,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:30:14,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:30:14,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:30:14,851 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:30:14,851 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:30:14,851 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:30:14,851 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 10:30:14,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:30:14,851 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:30:14,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 10:30:14,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:30:14 BoogieIcfgContainer [2019-12-07 10:30:14,855 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:30:14,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:30:14,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:30:14,856 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:30:14,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:30:12" (3/4) ... [2019-12-07 10:30:14,858 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:30:14,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:30:14,860 INFO L168 Benchmark]: Toolchain (without parser) took 2923.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:30:14,860 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:30:14,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:30:14,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:30:14,861 INFO L168 Benchmark]: Boogie Preprocessor took 16.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:30:14,862 INFO L168 Benchmark]: RCFGBuilder took 173.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:30:14,862 INFO L168 Benchmark]: BuchiAutomizer took 2378.89 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.0 MB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:30:14,863 INFO L168 Benchmark]: Witness Printer took 2.76 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 10:30:14,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 173.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2378.89 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.0 MB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.76 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[a] + -4 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 49 SDtfs, 37 SDslu, 1 SDs, 0 SdLazy, 45 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital133 mio100 ax113 hnf99 lsp79 ukn81 mio100 lsp57 div100 bol100 ite100 ukn100 eq180 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms 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...