./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 f9e8d57988f982ece26fd7a4aa6d80b7a8ef76d2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:41:32,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:41:32,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:41:32,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:41:32,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:41:32,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:41:32,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:41:32,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:41:32,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:41:32,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:41:32,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:41:32,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:41:32,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:41:32,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:41:32,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:41:32,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:41:32,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:41:32,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:41:32,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:41:32,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:41:32,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:41:32,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:41:32,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:41:32,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:41:32,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:41:32,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:41:32,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:41:32,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:41:32,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:41:32,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:41:32,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:41:32,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:41:32,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:41:32,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:41:32,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:41:32,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:41:32,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:41:32,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:41:32,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:41:32,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:41:32,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:41:32,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 10:41:32,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:41:32,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:41:32,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:41:32,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:41:32,934 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:41:32,935 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:41:32,935 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:41:32,935 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:41:32,935 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:41:32,935 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:41:32,935 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:41:32,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:41:32,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:41:32,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:41:32,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:41:32,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:41:32,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:41:32,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:41:32,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:41:32,937 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:41:32,937 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:41:32,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:41:32,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:41:32,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:41:32,938 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:41:32,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:41:32,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:41:32,939 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:41:32,939 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:41:32,939 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_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 -> f9e8d57988f982ece26fd7a4aa6d80b7a8ef76d2 [2019-11-20 10:41:33,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:41:33,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:41:33,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:41:33,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:41:33,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:41:33,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i [2019-11-20 10:41:33,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/data/76e24d404/7b77aec0e841452abeaf4192604a7ccd/FLAGf3a77f339 [2019-11-20 10:41:33,536 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:41:33,536 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i [2019-11-20 10:41:33,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/data/76e24d404/7b77aec0e841452abeaf4192604a7ccd/FLAGf3a77f339 [2019-11-20 10:41:33,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/data/76e24d404/7b77aec0e841452abeaf4192604a7ccd [2019-11-20 10:41:33,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:41:33,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:41:33,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:41:33,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:41:33,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:41:33,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e26db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33, skipping insertion in model container [2019-11-20 10:41:33,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,577 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:41:33,590 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:41:33,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:41:33,791 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:41:33,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:41:33,825 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:41:33,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33 WrapperNode [2019-11-20 10:41:33,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:41:33,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:41:33,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:41:33,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:41:33,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:41:33,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:41:33,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:41:33,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:41:33,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... [2019-11-20 10:41:33,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:41:33,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:41:33,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:41:33,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:41:33,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure rec_strcopy_helper [2019-11-20 10:41:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_strcopy_helper [2019-11-20 10:41:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure rec_cstrlen [2019-11-20 10:41:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_cstrlen [2019-11-20 10:41:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:41:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:41:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:41:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:41:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:41:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:41:34,268 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:41:34,268 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 10:41:34,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:41:34 BoogieIcfgContainer [2019-11-20 10:41:34,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:41:34,270 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:41:34,270 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:41:34,273 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:41:34,274 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:41:34,274 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:41:33" (1/3) ... [2019-11-20 10:41:34,275 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b362d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:41:34, skipping insertion in model container [2019-11-20 10:41:34,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:41:34,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:33" (2/3) ... [2019-11-20 10:41:34,275 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b362d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:41:34, skipping insertion in model container [2019-11-20 10:41:34,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:41:34,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:41:34" (3/3) ... [2019-11-20 10:41:34,277 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_strcopy_malloc2.i [2019-11-20 10:41:34,312 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:41:34,312 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:41:34,312 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:41:34,312 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:41:34,312 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:41:34,313 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:41:34,313 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:41:34,313 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:41:34,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-20 10:41:34,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-20 10:41:34,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:41:34,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:41:34,353 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:41:34,354 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 10:41:34,354 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:41:34,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-20 10:41:34,356 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-20 10:41:34,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:41:34,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:41:34,357 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:41:34,357 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 10:41:34,365 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 13#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length~1, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~1 := main_#t~nondet8;havoc main_#t~nondet8; 16#L43true assume main_~length~1 < 1;main_~length~1 := 1; 11#L43-2true build_nondet_String_#in~length := main_~length~1;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 20#L12true main_#t~ret9.base, main_#t~ret9.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset := main_~original~0.base, main_~original~0.offset;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~ret6, rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length~0, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset; 22#L34true call rec_strcopy_#t~ret6 := rec_cstrlen(rec_strcopy_~source.base, rec_strcopy_~source.offset);< 6#rec_cstrlenENTRYtrue [2019-11-20 10:41:34,365 INFO L796 eck$LassoCheckResult]: Loop: 6#rec_cstrlenENTRYtrue ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 8#L17true assume !(0 == #t~mem2);havoc #t~mem2; 14#L20true call #t~ret3 := rec_cstrlen(~s.base, 1 + ~s.offset);< 6#rec_cstrlenENTRYtrue [2019-11-20 10:41:34,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:34,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1155759803, now seen corresponding path program 1 times [2019-11-20 10:41:34,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:34,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543667682] [2019-11-20 10:41:34,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:34,499 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:34,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:34,501 INFO L82 PathProgramCache]: Analyzing trace with hash 59719, now seen corresponding path program 1 times [2019-11-20 10:41:34,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:34,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966307006] [2019-11-20 10:41:34,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:34,515 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:34,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:34,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1512490931, now seen corresponding path program 1 times [2019-11-20 10:41:34,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:34,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659739652] [2019-11-20 10:41:34,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:41:34,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659739652] [2019-11-20 10:41:34,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:41:34,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 10:41:34,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619406393] [2019-11-20 10:41:34,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:41:34,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 10:41:34,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:41:34,857 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 7 states. [2019-11-20 10:41:35,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:41:35,099 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2019-11-20 10:41:35,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:41:35,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 42 transitions. [2019-11-20 10:41:35,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-20 10:41:35,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 26 states and 29 transitions. [2019-11-20 10:41:35,113 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-20 10:41:35,113 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2019-11-20 10:41:35,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2019-11-20 10:41:35,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:41:35,116 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-11-20 10:41:35,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2019-11-20 10:41:35,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-11-20 10:41:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 10:41:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-11-20 10:41:35,141 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-20 10:41:35,141 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-20 10:41:35,141 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 10:41:35,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2019-11-20 10:41:35,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-20 10:41:35,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:41:35,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:41:35,144 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:41:35,144 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 10:41:35,144 INFO L794 eck$LassoCheckResult]: Stem: 101#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 98#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length~1, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~1 := main_#t~nondet8;havoc main_#t~nondet8; 99#L43 assume !(main_~length~1 < 1); 102#L43-2 build_nondet_String_#in~length := main_~length~1;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 106#L12 main_#t~ret9.base, main_#t~ret9.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset := main_~original~0.base, main_~original~0.offset;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~ret6, rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length~0, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset; 93#L34 call rec_strcopy_#t~ret6 := rec_cstrlen(rec_strcopy_~source.base, rec_strcopy_~source.offset);< 100#rec_cstrlenENTRY [2019-11-20 10:41:35,144 INFO L796 eck$LassoCheckResult]: Loop: 100#rec_cstrlenENTRY ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 104#L17 assume !(0 == #t~mem2);havoc #t~mem2; 94#L20 call #t~ret3 := rec_cstrlen(~s.base, 1 + ~s.offset);< 100#rec_cstrlenENTRY [2019-11-20 10:41:35,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:35,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1155819385, now seen corresponding path program 1 times [2019-11-20 10:41:35,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:35,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718339237] [2019-11-20 10:41:35,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:35,170 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:35,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:35,170 INFO L82 PathProgramCache]: Analyzing trace with hash 59719, now seen corresponding path program 2 times [2019-11-20 10:41:35,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:35,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436302531] [2019-11-20 10:41:35,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:35,180 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:35,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:35,181 INFO L82 PathProgramCache]: Analyzing trace with hash 262516431, now seen corresponding path program 1 times [2019-11-20 10:41:35,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:35,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459569259] [2019-11-20 10:41:35,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:35,224 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:35,543 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-11-20 10:41:35,651 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-20 10:41:35,817 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:41:35,818 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:41:35,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:41:35,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:41:35,818 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:41:35,827 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:35,827 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:41:35,827 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:41:35,828 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strcopy_malloc2.i_Iteration2_Lasso [2019-11-20 10:41:35,828 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:41:35,828 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:41:35,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:35,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:36,369 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:41:36,373 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,379 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 [2019-11-20 10:41:36,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,395 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 [2019-11-20 10:41:36,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,415 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 [2019-11-20 10:41:36,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,436 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 [2019-11-20 10:41:36,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,443 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 [2019-11-20 10:41:36,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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) [2019-11-20 10:41:36,452 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 [2019-11-20 10:41:36,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:36,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,465 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 [2019-11-20 10:41:36,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:41:36,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:41:36,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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) [2019-11-20 10:41:36,499 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 [2019-11-20 10:41:36,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:36,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,511 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 [2019-11-20 10:41:36,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:41:36,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,538 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 [2019-11-20 10:41:36,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:36,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,549 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 [2019-11-20 10:41:36,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:36,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,550 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 10:41:36,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,555 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:41:36,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:36,557 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,583 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 [2019-11-20 10:41:36,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:41:36,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:41:36,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:36,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:41:36,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:36,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:36,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:36,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:36,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:41:36,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:41:36,627 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:41:36,726 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 10:41:36,727 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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) [2019-11-20 10:41:36,785 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:36,788 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 10:41:36,788 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:41:36,789 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(rec_cstrlen_#in~s.offset, v_rep(select #length rec_cstrlen_#in~s.base)_1) = -1*rec_cstrlen_#in~s.offset + 1*v_rep(select #length rec_cstrlen_#in~s.base)_1 Supporting invariants [] [2019-11-20 10:41:36,796 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 10:41:36,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 10:41:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:36,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:41:36,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:41:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:36,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 10:41:36,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:41:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:41:36,884 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 10:41:36,885 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 27 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 10:41:36,950 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 27 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 42 states and 48 transitions. Complement of second has 8 states. [2019-11-20 10:41:36,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 10:41:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 10:41:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-11-20 10:41:36,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-20 10:41:36,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:41:36,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-20 10:41:36,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:41:36,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-20 10:41:36,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:41:36,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 48 transitions. [2019-11-20 10:41:36,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 10:41:36,961 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 33 states and 39 transitions. [2019-11-20 10:41:36,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2019-11-20 10:41:36,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2019-11-20 10:41:36,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 39 transitions. [2019-11-20 10:41:36,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 10:41:36,962 INFO L688 BuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2019-11-20 10:41:36,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 39 transitions. [2019-11-20 10:41:36,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2019-11-20 10:41:36,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-20 10:41:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2019-11-20 10:41:36,966 INFO L711 BuchiCegarLoop]: Abstraction has 31 states and 35 transitions. [2019-11-20 10:41:36,966 INFO L591 BuchiCegarLoop]: Abstraction has 31 states and 35 transitions. [2019-11-20 10:41:36,974 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 10:41:36,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 35 transitions. [2019-11-20 10:41:36,976 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 10:41:36,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:41:36,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:41:36,980 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:41:36,981 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 10:41:36,981 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 222#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length~1, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~1 := main_#t~nondet8;havoc main_#t~nondet8; 223#L43 assume !(main_~length~1 < 1); 225#L43-2 build_nondet_String_#in~length := main_~length~1;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 231#L12 main_#t~ret9.base, main_#t~ret9.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset := main_~original~0.base, main_~original~0.offset;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~ret6, rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length~0, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset; 210#L34 call rec_strcopy_#t~ret6 := rec_cstrlen(rec_strcopy_~source.base, rec_strcopy_~source.offset);< 212#rec_cstrlenENTRY ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 214#L17 assume 0 == #t~mem2;havoc #t~mem2;#res := 0; 209#rec_cstrlenFINAL assume true; 211#rec_cstrlenEXIT >#41#return; 226#L34-1 rec_strcopy_~length~0 := rec_strcopy_#t~ret6;havoc rec_strcopy_#t~ret6;call rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset := #Ultimate.allocOnHeap(1 + rec_strcopy_~length~0);rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset := rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset; 206#L36 call rec_strcopy_helper(rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset);< 207#rec_strcopy_helperENTRY [2019-11-20 10:41:36,981 INFO L796 eck$LassoCheckResult]: Loop: 207#rec_strcopy_helperENTRY ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem4 := read~int(~source.base, ~source.offset, 1);call write~int(#t~mem4, ~dest.base, ~dest.offset, 1);havoc #t~mem4;call #t~mem5 := read~int(~source.base, ~source.offset, 1); 208#L28 assume 0 != #t~mem5;havoc #t~mem5; 205#L29 call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 207#rec_strcopy_helperENTRY [2019-11-20 10:41:36,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:36,982 INFO L82 PathProgramCache]: Analyzing trace with hash -509542028, now seen corresponding path program 1 times [2019-11-20 10:41:36,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:36,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144773324] [2019-11-20 10:41:36,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,059 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:37,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:37,066 INFO L82 PathProgramCache]: Analyzing trace with hash 29922, now seen corresponding path program 1 times [2019-11-20 10:41:37,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:37,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460219873] [2019-11-20 10:41:37,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,088 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:37,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:37,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1352131953, now seen corresponding path program 1 times [2019-11-20 10:41:37,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:37,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252620321] [2019-11-20 10:41:37,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:41:37,277 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252620321] [2019-11-20 10:41:37,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:41:37,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-20 10:41:37,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379939180] [2019-11-20 10:41:37,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:41:37,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 10:41:37,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:41:37,494 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. cyclomatic complexity: 6 Second operand 10 states. [2019-11-20 10:41:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:41:37,660 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2019-11-20 10:41:37,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 10:41:37,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2019-11-20 10:41:37,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 10:41:37,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 21 states and 23 transitions. [2019-11-20 10:41:37,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-20 10:41:37,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-20 10:41:37,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2019-11-20 10:41:37,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 10:41:37,665 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-11-20 10:41:37,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2019-11-20 10:41:37,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-20 10:41:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 10:41:37,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-11-20 10:41:37,667 INFO L711 BuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-11-20 10:41:37,667 INFO L591 BuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-11-20 10:41:37,667 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 10:41:37,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2019-11-20 10:41:37,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 10:41:37,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:41:37,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:41:37,669 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:41:37,669 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 10:41:37,669 INFO L794 eck$LassoCheckResult]: Stem: 316#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 314#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length~1, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~1 := main_#t~nondet8;havoc main_#t~nondet8; 315#L43 assume !(main_~length~1 < 1); 312#L43-2 build_nondet_String_#in~length := main_~length~1;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 313#L12 main_#t~ret9.base, main_#t~ret9.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset := main_~original~0.base, main_~original~0.offset;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~ret6, rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length~0, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset; 306#L34 call rec_strcopy_#t~ret6 := rec_cstrlen(rec_strcopy_~source.base, rec_strcopy_~source.offset);< 305#rec_cstrlenENTRY ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 307#L17 assume !(0 == #t~mem2);havoc #t~mem2; 303#L20 call #t~ret3 := rec_cstrlen(~s.base, 1 + ~s.offset);< 308#rec_cstrlenENTRY ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int(~s.base, ~s.offset, 1); 309#L17 assume 0 == #t~mem2;havoc #t~mem2;#res := 0; 302#rec_cstrlenFINAL assume true; 304#rec_cstrlenEXIT >#45#return; 310#L20-1 #res := 1 + #t~ret3;havoc #t~ret3; 311#rec_cstrlenFINAL assume true; 318#rec_cstrlenEXIT >#41#return; 317#L34-1 rec_strcopy_~length~0 := rec_strcopy_#t~ret6;havoc rec_strcopy_#t~ret6;call rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset := #Ultimate.allocOnHeap(1 + rec_strcopy_~length~0);rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset := rec_strcopy_#t~malloc7.base, rec_strcopy_#t~malloc7.offset; 299#L36 call rec_strcopy_helper(rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset);< 300#rec_strcopy_helperENTRY [2019-11-20 10:41:37,669 INFO L796 eck$LassoCheckResult]: Loop: 300#rec_strcopy_helperENTRY ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem4 := read~int(~source.base, ~source.offset, 1);call write~int(#t~mem4, ~dest.base, ~dest.offset, 1);havoc #t~mem4;call #t~mem5 := read~int(~source.base, ~source.offset, 1); 301#L28 assume 0 != #t~mem5;havoc #t~mem5; 298#L29 call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 300#rec_strcopy_helperENTRY [2019-11-20 10:41:37,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:37,670 INFO L82 PathProgramCache]: Analyzing trace with hash -462834206, now seen corresponding path program 1 times [2019-11-20 10:41:37,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:37,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801917946] [2019-11-20 10:41:37,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,733 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:37,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:37,736 INFO L82 PathProgramCache]: Analyzing trace with hash 29922, now seen corresponding path program 2 times [2019-11-20 10:41:37,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:37,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326174774] [2019-11-20 10:41:37,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,752 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:37,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:37,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1448810655, now seen corresponding path program 1 times [2019-11-20 10:41:37,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:41:37,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864742600] [2019-11-20 10:41:37,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:41:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:41:37,807 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:41:38,628 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2019-11-20 10:41:38,795 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-20 10:41:38,971 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-20 10:41:39,044 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:41:39,044 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:41:39,044 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:41:39,045 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:41:39,045 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:41:39,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:41:39,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:41:39,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strcopy_malloc2.i_Iteration4_Lasso [2019-11-20 10:41:39,045 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:41:39,045 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:41:39,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:41:39,701 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:41:39,701 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:39,724 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 [2019-11-20 10:41:39,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:39,735 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 [2019-11-20 10:41:39,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:39,758 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 [2019-11-20 10:41:39,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,772 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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 [2019-11-20 10:41:39,783 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 [2019-11-20 10:41:39,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/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) [2019-11-20 10:41:39,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,816 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 [2019-11-20 10:41:39,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,828 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 [2019-11-20 10:41:39,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,835 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 [2019-11-20 10:41:39,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,842 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 [2019-11-20 10:41:39,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,850 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 [2019-11-20 10:41:39,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,857 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 [2019-11-20 10:41:39,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,864 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 [2019-11-20 10:41:39,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,871 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 [2019-11-20 10:41:39,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,877 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 [2019-11-20 10:41:39,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:41:39,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:41:39,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:41:39,895 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 [2019-11-20 10:41:39,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:41:39,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:41:39,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:41:39,928 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 [2019-11-20 10:41:39,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,941 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 [2019-11-20 10:41:39,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:41:39,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:41:39,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,958 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,974 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 [2019-11-20 10:41:39,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:39,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:41:39,987 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 [2019-11-20 10:41:39,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:39,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:41:39,996 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 [2019-11-20 10:41:39,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:39,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:39,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:39,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:39,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:39,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:39,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:40,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:41:40,006 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 [2019-11-20 10:41:40,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:40,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:40,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:40,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:40,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:40,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:40,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:40,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:40,017 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 [2019-11-20 10:41:40,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:40,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:40,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:40,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:40,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:40,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:40,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:41:40,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:40,024 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 [2019-11-20 10:41:40,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:40,025 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-20 10:41:40,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:40,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:40,030 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:41:40,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:41:40,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:41:40,050 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 [2019-11-20 10:41:40,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:40,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:41:40,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:40,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:40,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:40,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:41:40,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:40,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:40,060 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 [2019-11-20 10:41:40,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:40,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:40,061 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 10:41:40,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:40,066 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 10:41:40,066 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 10:41:40,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:41:40,088 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 [2019-11-20 10:41:40,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:41:40,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:41:40,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:41:40,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:41:40,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:41:40,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:40,110 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:41:40,142 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-20 10:41:40,142 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6d47419-50d9-445e-9a78-748ac98f5a2c/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:41:40,146 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 10:41:40,148 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 10:41:40,148 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:41:40,148 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length rec_strcopy_helper_#in~dest.base)_1, rec_strcopy_helper_#in~dest.offset) = 1*v_rep(select #length rec_strcopy_helper_#in~dest.base)_1 - 1*rec_strcopy_helper_#in~dest.offset Supporting invariants [] [2019-11-20 10:41:40,158 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-20 10:41:40,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 10:41:40,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:41:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:40,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 10:41:40,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:41:40,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:41:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:40,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 10:41:40,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:41:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:41:40,247 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 10:41:40,247 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-11-20 10:41:40,311 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 33 states and 36 transitions. Complement of second has 9 states. [2019-11-20 10:41:40,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 10:41:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 10:41:40,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-11-20 10:41:40,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-20 10:41:40,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:41:40,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 21 letters. Loop has 3 letters. [2019-11-20 10:41:40,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:41:40,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-20 10:41:40,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:41:40,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2019-11-20 10:41:40,315 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:41:40,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-11-20 10:41:40,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 10:41:40,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 10:41:40,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 10:41:40,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:41:40,316 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:41:40,316 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:41:40,316 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:41:40,316 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 10:41:40,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:41:40,316 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:41:40,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 10:41:40,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:41:40 BoogieIcfgContainer [2019-11-20 10:41:40,322 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:41:40,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:41:40,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:41:40,322 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:41:40,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:41:34" (3/4) ... [2019-11-20 10:41:40,326 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:41:40,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:41:40,327 INFO L168 Benchmark]: Toolchain (without parser) took 6762.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:41:40,327 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:41:40,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:41:40,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:41:40,329 INFO L168 Benchmark]: Boogie Preprocessor took 22.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:41:40,329 INFO L168 Benchmark]: RCFGBuilder took 387.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:41:40,330 INFO L168 Benchmark]: BuchiAutomizer took 6052.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:41:40,330 INFO L168 Benchmark]: Witness Printer took 3.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:41:40,333 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 387.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6052.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[dest] + -1 * dest and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 31 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 76 SDtfs, 43 SDslu, 221 SDs, 0 SdLazy, 141 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital152 mio100 ax100 hnf100 lsp95 ukn59 mio100 lsp47 div100 bol100 ite100 ukn100 eq181 hnf79 smp100 dnf109 smp91 tf100 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...