./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/subseq-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_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 cf112a0fbbdfc44a3bb289156f3ed9f3cdfb386d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:37:20,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:37:20,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:37:20,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:37:20,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:37:20,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:37:20,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:37:20,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:37:20,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:37:20,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:37:20,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:37:20,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:37:20,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:37:20,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:37:20,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:37:20,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:37:20,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:37:20,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:37:20,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:37:20,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:37:20,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:37:20,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:37:20,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:37:20,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:37:20,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:37:20,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:37:20,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:37:20,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:37:20,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:37:20,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:37:20,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:37:20,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:37:20,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:37:20,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:37:20,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:37:20,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:37:20,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:37:20,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:37:20,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:37:20,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:37:20,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:37:20,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 12:37:20,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:37:20,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:37:20,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:37:20,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:37:20,068 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:37:20,068 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:37:20,068 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:37:20,068 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:37:20,069 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:37:20,069 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:37:20,069 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:37:20,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:37:20,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:37:20,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:37:20,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:37:20,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:37:20,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:37:20,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:37:20,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:37:20,071 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:37:20,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:37:20,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:37:20,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:37:20,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:37:20,072 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:37:20,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:37:20,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:37:20,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:37:20,072 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:37:20,073 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:37:20,073 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_20293918-49e3-49b9-97a2-60ae880de95d/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 -> cf112a0fbbdfc44a3bb289156f3ed9f3cdfb386d [2019-12-07 12:37:20,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:37:20,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:37:20,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:37:20,195 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:37:20,196 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:37:20,196 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2019-12-07 12:37:20,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/data/c4fb67710/7d6fc2e336a04f72bb39d4c5b4df3317/FLAGb82eb25e7 [2019-12-07 12:37:20,574 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:37:20,575 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2019-12-07 12:37:20,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/data/c4fb67710/7d6fc2e336a04f72bb39d4c5b4df3317/FLAGb82eb25e7 [2019-12-07 12:37:20,590 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/bin/uautomizer/data/c4fb67710/7d6fc2e336a04f72bb39d4c5b4df3317 [2019-12-07 12:37:20,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:37:20,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:37:20,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:37:20,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:37:20,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:37:20,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8246a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20, skipping insertion in model container [2019-12-07 12:37:20,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:37:20,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:37:20,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:37:20,847 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:37:20,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:37:20,903 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:37:20,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20 WrapperNode [2019-12-07 12:37:20,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:37:20,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:37:20,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:37:20,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:37:20,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:37:20,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:37:20,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:37:20,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:37:20,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... [2019-12-07 12:37:20,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:37:20,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:37:20,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:37:20,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:37:20,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:37:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:37:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:37:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:37:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:37:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:37:21,172 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:37:21,172 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 12:37:21,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:21 BoogieIcfgContainer [2019-12-07 12:37:21,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:37:21,174 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:37:21,174 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:37:21,176 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:37:21,176 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:37:21,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:37:20" (1/3) ... [2019-12-07 12:37:21,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28db84e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:37:21, skipping insertion in model container [2019-12-07 12:37:21,177 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:37:21,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:20" (2/3) ... [2019-12-07 12:37:21,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28db84e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:37:21, skipping insertion in model container [2019-12-07 12:37:21,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:37:21,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:21" (3/3) ... [2019-12-07 12:37:21,179 INFO L371 chiAutomizerObserver]: Analyzing ICFG subseq-alloca-1.i [2019-12-07 12:37:21,207 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:37:21,207 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:37:21,207 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:37:21,207 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:37:21,207 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:37:21,207 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:37:21,208 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:37:21,208 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:37:21,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 12:37:21,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 12:37:21,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:37:21,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:37:21,235 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 12:37:21,235 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 12:37:21,235 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:37:21,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 12:37:21,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 12:37:21,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:37:21,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:37:21,237 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 12:37:21,237 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 12:37:21,242 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 11#L563true assume !(main_~length1~0 < 1); 15#L563-2true assume !(main_~length2~0 < 1); 8#L566-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);subseq_#in~s.base, subseq_#in~s.offset, subseq_#in~t.base, subseq_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc subseq_#res;havoc subseq_#t~mem5, subseq_#t~mem6, subseq_#t~post7.base, subseq_#t~post7.offset, subseq_#t~post8.base, subseq_#t~post8.offset, subseq_#t~mem2, subseq_#t~mem3, subseq_#t~short4, subseq_#t~mem9, subseq_~s.base, subseq_~s.offset, subseq_~t.base, subseq_~t.offset, subseq_~ps~0.base, subseq_~ps~0.offset, subseq_~pt~0.base, subseq_~pt~0.offset;subseq_~s.base, subseq_~s.offset := subseq_#in~s.base, subseq_#in~s.offset;subseq_~t.base, subseq_~t.offset := subseq_#in~t.base, subseq_#in~t.offset;subseq_~ps~0.base, subseq_~ps~0.offset := subseq_~s.base, subseq_~s.offset;subseq_~pt~0.base, subseq_~pt~0.offset := subseq_~t.base, subseq_~t.offset; 6#L551-5true [2019-12-07 12:37:21,242 INFO L796 eck$LassoCheckResult]: Loop: 6#L551-5true call subseq_#t~mem2 := read~int(subseq_~ps~0.base, subseq_~ps~0.offset, 1);subseq_#t~short4 := 0 != subseq_#t~mem2; 16#L551-1true assume subseq_#t~short4;call subseq_#t~mem3 := read~int(subseq_~pt~0.base, subseq_~pt~0.offset, 1);subseq_#t~short4 := 0 != subseq_#t~mem3; 3#L551-3true assume !!subseq_#t~short4;havoc subseq_#t~mem2;havoc subseq_#t~mem3;havoc subseq_#t~short4;call subseq_#t~mem5 := read~int(subseq_~ps~0.base, subseq_~ps~0.offset, 1);call subseq_#t~mem6 := read~int(subseq_~pt~0.base, subseq_~pt~0.offset, 1); 12#L552true assume subseq_#t~mem5 == subseq_#t~mem6;havoc subseq_#t~mem5;havoc subseq_#t~mem6;subseq_#t~post7.base, subseq_#t~post7.offset := subseq_~ps~0.base, subseq_~ps~0.offset;subseq_~ps~0.base, subseq_~ps~0.offset := subseq_#t~post7.base, 1 + subseq_#t~post7.offset;havoc subseq_#t~post7.base, subseq_#t~post7.offset; 17#L552-2true subseq_#t~post8.base, subseq_#t~post8.offset := subseq_~pt~0.base, subseq_~pt~0.offset;subseq_~pt~0.base, subseq_~pt~0.offset := subseq_#t~post8.base, 1 + subseq_#t~post8.offset;havoc subseq_#t~post8.base, subseq_#t~post8.offset; 6#L551-5true [2019-12-07 12:37:21,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:21,246 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-12-07 12:37:21,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:37:21,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289450692] [2019-12-07 12:37:21,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:37:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:21,355 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:37:21,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:21,356 INFO L82 PathProgramCache]: Analyzing trace with hash 47815647, now seen corresponding path program 1 times [2019-12-07 12:37:21,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:37:21,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530205884] [2019-12-07 12:37:21,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:37:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:21,373 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:37:21,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:21,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1594114490, now seen corresponding path program 1 times [2019-12-07 12:37:21,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:37:21,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693400802] [2019-12-07 12:37:21,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:37:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:21,425 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:37:21,794 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2019-12-07 12:37:21,885 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:37:21,885 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:37:21,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:37:21,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:37:21,886 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:37:21,886 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:37:21,886 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:37:21,886 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:37:21,886 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-1.i_Iteration1_Lasso [2019-12-07 12:37:21,886 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:37:21,886 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:37:21,902 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 12:37:21,906 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 12:37:21,908 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 12:37:21,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:37:21,911 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 12:37:22,147 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-12-07 12:37:22,246 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 12:37:22,248 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 12:37:22,250 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 12:37:22,252 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 12:37:22,253 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 12:37:22,255 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 12:37:22,257 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 12:37:22,258 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 12:37:22,260 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 12:37:22,262 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 12:37:22,263 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 12:37:22,265 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 12:37:22,266 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 12:37:22,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:37:22,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:37:22,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:37:22,626 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:37:22,629 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:22,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:37:22,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:22,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:37:22,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:22,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:22,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:22,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:37:22,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:37:22,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:22,644 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 12:37:22,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:22,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:37:22,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:22,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:22,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:22,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:37:22,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:37:22,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:22,651 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 12:37:22,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:22,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:37:22,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:22,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:22,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:22,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:37:22,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:37:22,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:22,659 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 12:37:22,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:22,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:37:22,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:22,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:22,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:22,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:37:22,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:37:22,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:22,666 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 12:37:22,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:22,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:22,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:22,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:22,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:22,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:22,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:22,692 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 12:37:22,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:22,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:22,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:22,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:22,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:22,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:22,720 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:37:22,776 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-12-07 12:37:22,777 INFO L444 ModelExtractionUtils]: 11 out of 49 variables were initially zero. Simplification set additionally 35 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:22,781 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:37:22,783 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 12:37:22,784 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:37:22,784 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_subseq_~ps~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1) = -1*ULTIMATE.start_subseq_~ps~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1 Supporting invariants [] [2019-12-07 12:37:22,835 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2019-12-07 12:37:22,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 12:37:22,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:37:22,879 INFO L264 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 12:37:22,880 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:37:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:37:22,893 INFO L264 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 12:37:22,894 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:37:22,923 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 12:37:22,934 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 12:37:22,935 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 4 states. [2019-12-07 12:37:22,997 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 4 states. Result 35 states and 48 transitions. Complement of second has 8 states. [2019-12-07 12:37:22,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 12:37:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 12:37:22,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2019-12-07 12:37:23,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 5 letters. Loop has 5 letters. [2019-12-07 12:37:23,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:37:23,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 10 letters. Loop has 5 letters. [2019-12-07 12:37:23,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:37:23,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 12:37:23,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:37:23,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 48 transitions. [2019-12-07 12:37:23,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 12:37:23,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 20 states and 28 transitions. [2019-12-07 12:37:23,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 12:37:23,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 12:37:23,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2019-12-07 12:37:23,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 12:37:23,012 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2019-12-07 12:37:23,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2019-12-07 12:37:23,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-12-07 12:37:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 12:37:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2019-12-07 12:37:23,031 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-12-07 12:37:23,031 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-12-07 12:37:23,031 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:37:23,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2019-12-07 12:37:23,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 12:37:23,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:37:23,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:37:23,032 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:37:23,032 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 12:37:23,033 INFO L794 eck$LassoCheckResult]: Stem: 185#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 179#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 180#L563 assume !(main_~length1~0 < 1); 186#L563-2 assume !(main_~length2~0 < 1); 194#L566-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);subseq_#in~s.base, subseq_#in~s.offset, subseq_#in~t.base, subseq_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc subseq_#res;havoc subseq_#t~mem5, subseq_#t~mem6, subseq_#t~post7.base, subseq_#t~post7.offset, subseq_#t~post8.base, subseq_#t~post8.offset, subseq_#t~mem2, subseq_#t~mem3, subseq_#t~short4, subseq_#t~mem9, subseq_~s.base, subseq_~s.offset, subseq_~t.base, subseq_~t.offset, subseq_~ps~0.base, subseq_~ps~0.offset, subseq_~pt~0.base, subseq_~pt~0.offset;subseq_~s.base, subseq_~s.offset := subseq_#in~s.base, subseq_#in~s.offset;subseq_~t.base, subseq_~t.offset := subseq_#in~t.base, subseq_#in~t.offset;subseq_~ps~0.base, subseq_~ps~0.offset := subseq_~s.base, subseq_~s.offset;subseq_~pt~0.base, subseq_~pt~0.offset := subseq_~t.base, subseq_~t.offset; 195#L551-5 call subseq_#t~mem2 := read~int(subseq_~ps~0.base, subseq_~ps~0.offset, 1);subseq_#t~short4 := 0 != subseq_#t~mem2; 191#L551-1 [2019-12-07 12:37:23,033 INFO L796 eck$LassoCheckResult]: Loop: 191#L551-1 assume subseq_#t~short4;call subseq_#t~mem3 := read~int(subseq_~pt~0.base, subseq_~pt~0.offset, 1);subseq_#t~short4 := 0 != subseq_#t~mem3; 181#L551-3 assume !!subseq_#t~short4;havoc subseq_#t~mem2;havoc subseq_#t~mem3;havoc subseq_#t~short4;call subseq_#t~mem5 := read~int(subseq_~ps~0.base, subseq_~ps~0.offset, 1);call subseq_#t~mem6 := read~int(subseq_~pt~0.base, subseq_~pt~0.offset, 1); 182#L552 assume !(subseq_#t~mem5 == subseq_#t~mem6);havoc subseq_#t~mem5;havoc subseq_#t~mem6; 187#L552-2 subseq_#t~post8.base, subseq_#t~post8.offset := subseq_~pt~0.base, subseq_~pt~0.offset;subseq_~pt~0.base, subseq_~pt~0.offset := subseq_#t~post8.base, 1 + subseq_#t~post8.offset;havoc subseq_#t~post8.base, subseq_#t~post8.offset; 190#L551-5 call subseq_#t~mem2 := read~int(subseq_~ps~0.base, subseq_~ps~0.offset, 1);subseq_#t~short4 := 0 != subseq_#t~mem2; 191#L551-1 [2019-12-07 12:37:23,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:23,033 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2019-12-07 12:37:23,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:37:23,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561499148] [2019-12-07 12:37:23,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:37:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:23,071 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:37:23,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:23,071 INFO L82 PathProgramCache]: Analyzing trace with hash 50829449, now seen corresponding path program 1 times [2019-12-07 12:37:23,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:37:23,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021785472] [2019-12-07 12:37:23,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:37:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:23,085 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:37:23,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:23,085 INFO L82 PathProgramCache]: Analyzing trace with hash -2122056420, now seen corresponding path program 1 times [2019-12-07 12:37:23,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:37:23,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118588159] [2019-12-07 12:37:23,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:37:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:23,126 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:37:23,308 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-07 12:37:23,600 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 100 [2019-12-07 12:37:23,864 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-12-07 12:37:23,866 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:37:23,866 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:37:23,866 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:37:23,866 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:37:23,867 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:37:23,867 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:37:23,867 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:37:23,867 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:37:23,867 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-1.i_Iteration2_Lasso [2019-12-07 12:37:23,867 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:37:23,867 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:37:23,873 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 12:37:23,875 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 12:37:23,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:37:23,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:37:24,368 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-12-07 12:37:24,464 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 12:37:24,465 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 12:37:24,467 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 12:37:24,468 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 12:37:24,469 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 12:37:24,471 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 12:37:24,472 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 12:37:24,473 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 12:37:24,475 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 12:37:24,476 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 12:37:24,477 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 12:37:24,478 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 12:37:24,480 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 12:37:24,481 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 12:37:24,482 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 12:37:24,896 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2019-12-07 12:37:24,982 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:37:24,982 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:24,985 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 12:37:24,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:24,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:37:24,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:24,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:24,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:24,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:37:24,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:37:24,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:24,992 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 12:37:24,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:24,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:24,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:24,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:24,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:24,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:24,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,006 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 12:37:25,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:37:25,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:25,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:25,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:37:25,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:37:25,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,015 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 12:37:25,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:25,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:25,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:25,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:25,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,027 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 12:37:25,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:25,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:25,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:25,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:25,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,043 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 12:37:25,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:25,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:25,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:25,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:25,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,055 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 12:37:25,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:25,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:25,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:25,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:25,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,063 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 12:37:25,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:25,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:25,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:25,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:25,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,072 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 12:37:25,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,073 INFO L203 nArgumentSynthesizer]: 3 stem disjuncts [2019-12-07 12:37:25,073 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2019-12-07 12:37:25,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,134 INFO L401 nArgumentSynthesizer]: We have 192 Motzkin's Theorem applications. [2019-12-07 12:37:25,134 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2019-12-07 12:37:25,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,326 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 12:37:25,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:25,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:25,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:25,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:25,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,334 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 12:37:25,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:25,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:25,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:25,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:25,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,353 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 12:37:25,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:37:25,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:37:25,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:37:25,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:37:25,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:37:25,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:37:25,366 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:37:25,374 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 12:37:25,374 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20293918-49e3-49b9-97a2-60ae880de95d/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 12:37:25,377 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:37:25,379 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 12:37:25,379 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:37:25,379 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_subseq_~pt~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2) = -1*ULTIMATE.start_subseq_~pt~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 Supporting invariants [] [2019-12-07 12:37:25,422 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2019-12-07 12:37:25,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 12:37:25,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:37:25,448 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 12:37:25,449 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:37:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:37:25,455 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 12:37:25,455 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:37:25,476 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 12:37:25,476 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 12:37:25,477 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 9 Second operand 5 states. [2019-12-07 12:37:25,509 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 9. Second operand 5 states. Result 35 states and 51 transitions. Complement of second has 7 states. [2019-12-07 12:37:25,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 12:37:25,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 12:37:25,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-12-07 12:37:25,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 5 letters. [2019-12-07 12:37:25,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:37:25,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 5 letters. [2019-12-07 12:37:25,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:37:25,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 10 letters. [2019-12-07 12:37:25,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:37:25,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 51 transitions. [2019-12-07 12:37:25,513 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:37:25,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2019-12-07 12:37:25,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 12:37:25,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 12:37:25,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 12:37:25,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:37:25,514 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:37:25,514 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:37:25,514 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:37:25,514 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 12:37:25,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:37:25,514 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:37:25,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 12:37:25,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:37:25 BoogieIcfgContainer [2019-12-07 12:37:25,518 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 12:37:25,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:37:25,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:37:25,518 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:37:25,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:21" (3/4) ... [2019-12-07 12:37:25,521 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:37:25,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:37:25,522 INFO L168 Benchmark]: Toolchain (without parser) took 4928.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.2 MB in the beginning and 846.4 MB in the end (delta: 88.8 MB). Peak memory consumption was 240.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:25,522 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:37:25,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 933.8 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:25,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:25,524 INFO L168 Benchmark]: Boogie Preprocessor took 18.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:25,524 INFO L168 Benchmark]: RCFGBuilder took 219.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:25,524 INFO L168 Benchmark]: BuchiAutomizer took 4344.47 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 846.4 MB in the end (delta: 209.6 MB). Peak memory consumption was 266.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:25,525 INFO L168 Benchmark]: Witness Printer took 2.65 ms. Allocated memory is still 1.2 GB. Free memory is still 846.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:37:25,527 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 933.8 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4344.47 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 846.4 MB in the end (delta: 209.6 MB). Peak memory consumption was 266.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 ms. Allocated memory is still 1.2 GB. Free memory is still 846.4 MB. 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 #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * ps + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function -1 * pt + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 39 SDslu, 16 SDs, 0 SdLazy, 23 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital346 mio100 ax106 hnf99 lsp72 ukn101 mio100 lsp30 div100 bol100 ite100 ukn100 eq198 hnf87 smp100 dnf310 smp73 tf100 neg96 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 250ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 3 DisjunctsLoop: 8 SupportingInvariants: 16 MotzkinApplications: 192 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...