./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.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_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i -s /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 18b42b65120149c30866fbc5b5479df029781f63 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:29:02,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:29:02,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:29:02,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:29:02,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:29:02,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:29:02,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:29:02,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:29:02,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:29:02,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:29:02,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:29:02,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:29:02,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:29:02,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:29:02,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:29:02,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:29:02,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:29:02,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:29:02,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:29:02,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:29:02,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:29:02,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:29:02,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:29:02,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:29:02,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:29:02,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:29:02,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:29:02,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:29:02,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:29:02,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:29:02,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:29:02,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:29:02,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:29:02,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:29:02,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:29:02,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:29:02,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:29:02,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:29:02,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:29:02,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:29:02,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:29:02,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 06:29:02,895 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:29:02,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:29:02,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:29:02,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:29:02,905 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:29:02,905 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 06:29:02,906 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 06:29:02,906 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 06:29:02,906 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 06:29:02,906 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 06:29:02,906 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 06:29:02,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:29:02,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 06:29:02,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:29:02,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:29:02,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 06:29:02,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 06:29:02,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 06:29:02,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:29:02,908 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 06:29:02,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:29:02,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 06:29:02,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:29:02,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:29:02,909 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 06:29:02,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:29:02,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:29:02,910 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 06:29:02,911 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 06:29:02,911 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_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 -> 18b42b65120149c30866fbc5b5479df029781f63 [2019-11-20 06:29:03,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:29:03,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:29:03,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:29:03,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:29:03,058 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:29:03,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2019-11-20 06:29:03,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/data/ad4b29064/be4d32dc829a419d8457e4f0931cceba/FLAGa77fa2370 [2019-11-20 06:29:03,469 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:29:03,470 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2019-11-20 06:29:03,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/data/ad4b29064/be4d32dc829a419d8457e4f0931cceba/FLAGa77fa2370 [2019-11-20 06:29:03,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/data/ad4b29064/be4d32dc829a419d8457e4f0931cceba [2019-11-20 06:29:03,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:29:03,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:29:03,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:29:03,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:29:03,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:29:03,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:03" (1/1) ... [2019-11-20 06:29:03,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184fb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:03, skipping insertion in model container [2019-11-20 06:29:03,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:03" (1/1) ... [2019-11-20 06:29:03,932 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:29:03,949 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:29:04,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:29:04,201 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:29:04,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:29:04,238 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:29:04,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04 WrapperNode [2019-11-20 06:29:04,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:29:04,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:29:04,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:29:04,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:29:04,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... [2019-11-20 06:29:04,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... [2019-11-20 06:29:04,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:29:04,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:29:04,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:29:04,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:29:04,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... [2019-11-20 06:29:04,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... [2019-11-20 06:29:04,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... [2019-11-20 06:29:04,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... [2019-11-20 06:29:04,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... [2019-11-20 06:29:04,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... [2019-11-20 06:29:04,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... [2019-11-20 06:29:04,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:29:04,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:29:04,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:29:04,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:29:04,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:29:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2019-11-20 06:29:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2019-11-20 06:29:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 06:29:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:29:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:29:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:29:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:29:04,570 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:29:04,570 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 06:29:04,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:04 BoogieIcfgContainer [2019-11-20 06:29:04,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:29:04,572 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 06:29:04,572 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 06:29:04,575 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 06:29:04,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:29:04,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:29:03" (1/3) ... [2019-11-20 06:29:04,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b603dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:29:04, skipping insertion in model container [2019-11-20 06:29:04,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:29:04,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:04" (2/3) ... [2019-11-20 06:29:04,586 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b603dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:29:04, skipping insertion in model container [2019-11-20 06:29:04,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:29:04,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:04" (3/3) ... [2019-11-20 06:29:04,587 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11B.i [2019-11-20 06:29:04,652 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 06:29:04,653 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 06:29:04,653 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 06:29:04,653 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:29:04,653 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:29:04,653 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 06:29:04,654 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:29:04,654 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 06:29:04,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-20 06:29:04,686 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 06:29:04,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:29:04,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:29:04,694 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 06:29:04,694 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:04,694 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 06:29:04,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-20 06:29:04,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 06:29:04,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:29:04,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:29:04,697 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 06:29:04,697 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:04,704 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 19#L28-3true [2019-11-20 06:29:04,704 INFO L796 eck$LassoCheckResult]: Loop: 19#L28-3true call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 4#L28-1true assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 12#L33true call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 3#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 7#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 15#recFINALtrue assume true; 13#recEXITtrue >#39#return; 10#L33-1true assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 5#L33-3true call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite12;havoc main_#t~ret11;havoc main_#t~mem13; 19#L28-3true [2019-11-20 06:29:04,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:04,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2019-11-20 06:29:04,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:04,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983314393] [2019-11-20 06:29:04,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:04,817 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:04,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:04,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1673639481, now seen corresponding path program 1 times [2019-11-20 06:29:04,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:04,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468956528] [2019-11-20 06:29:04,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:04,910 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:04,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:04,915 INFO L82 PathProgramCache]: Analyzing trace with hash -508919995, now seen corresponding path program 1 times [2019-11-20 06:29:04,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:04,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859492606] [2019-11-20 06:29:04,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:04,999 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:05,601 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 92 [2019-11-20 06:29:05,838 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:29:05,839 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:29:05,839 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:29:05,839 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:29:05,839 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 06:29:05,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:05,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:29:05,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:29:05,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration1_Lasso [2019-11-20 06:29:05,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:29:05,840 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:29:05,868 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 06:29:05,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:05,876 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 06:29:05,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:05,884 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 06:29:05,888 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 06:29:06,205 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-11-20 06:29:06,212 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 06:29:06,217 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 06:29:06,221 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 06:29:06,678 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:29:06,682 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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) [2019-11-20 06:29:06,689 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 06:29:06,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:06,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:06,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:06,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:06,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:06,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:06,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:06,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:06,724 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 06:29:06,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:06,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:06,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:06,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:06,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:06,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:06,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:06,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:06,744 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 06:29:06,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:06,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:06,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:06,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:06,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:06,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:06,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:06,766 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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) [2019-11-20 06:29:06,776 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 06:29:06,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:06,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:06,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:06,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:06,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:06,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:06,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:06,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:29:06,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:06,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:06,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:06,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:06,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:06,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:06,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:06,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:06,811 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 06:29:06,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:06,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:06,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:06,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:06,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:06,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:06,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:06,840 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 06:29:06,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:06,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:06,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:06,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:06,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:06,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:06,856 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 06:29:06,904 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-20 06:29:06,905 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:06,928 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:06,948 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 06:29:06,948 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 06:29:06,949 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2019-11-20 06:29:06,998 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-20 06:29:07,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 06:29:07,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:07,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 06:29:07,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:07,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 06:29:07,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:07,169 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:07,170 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-20 06:29:07,170 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:29:07,182 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:07,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 06:29:07,190 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-20 06:29:07,191 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:29:07,200 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:07,201 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:29:07,201 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:40, output treesize:7 [2019-11-20 06:29:07,249 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 06:29:07,267 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-20 06:29:07,268 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 6 states. [2019-11-20 06:29:07,434 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 6 states. Result 65 states and 78 transitions. Complement of second has 18 states. [2019-11-20 06:29:07,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2019-11-20 06:29:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-20 06:29:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 24 transitions. [2019-11-20 06:29:07,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 2 letters. Loop has 9 letters. [2019-11-20 06:29:07,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:07,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 11 letters. Loop has 9 letters. [2019-11-20 06:29:07,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:07,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 2 letters. Loop has 18 letters. [2019-11-20 06:29:07,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:07,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 78 transitions. [2019-11-20 06:29:07,460 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-20 06:29:07,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 47 states and 58 transitions. [2019-11-20 06:29:07,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-11-20 06:29:07,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2019-11-20 06:29:07,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 58 transitions. [2019-11-20 06:29:07,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 06:29:07,492 INFO L688 BuchiCegarLoop]: Abstraction has 47 states and 58 transitions. [2019-11-20 06:29:07,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 58 transitions. [2019-11-20 06:29:07,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2019-11-20 06:29:07,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 06:29:07,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2019-11-20 06:29:07,524 INFO L711 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2019-11-20 06:29:07,524 INFO L591 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2019-11-20 06:29:07,524 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 06:29:07,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 57 transitions. [2019-11-20 06:29:07,526 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2019-11-20 06:29:07,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:29:07,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:29:07,527 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:07,527 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 06:29:07,528 INFO L794 eck$LassoCheckResult]: Stem: 197#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 192#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 193#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 208#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 188#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 200#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 187#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 175#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 173#recENTRY [2019-11-20 06:29:07,528 INFO L796 eck$LassoCheckResult]: Loop: 173#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 176#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 174#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 173#recENTRY [2019-11-20 06:29:07,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:07,530 INFO L82 PathProgramCache]: Analyzing trace with hash -15731550, now seen corresponding path program 1 times [2019-11-20 06:29:07,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:07,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415409746] [2019-11-20 06:29:07,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:07,620 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:07,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:07,620 INFO L82 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 1 times [2019-11-20 06:29:07,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:07,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419898317] [2019-11-20 06:29:07,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:07,666 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:07,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:07,670 INFO L82 PathProgramCache]: Analyzing trace with hash -507170626, now seen corresponding path program 2 times [2019-11-20 06:29:07,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:07,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891761259] [2019-11-20 06:29:07,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:07,770 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:07,915 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-11-20 06:29:08,303 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-11-20 06:29:08,753 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-11-20 06:29:08,873 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-11-20 06:29:09,289 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2019-11-20 06:29:09,386 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:29:09,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:29:09,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:29:09,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:29:09,387 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 06:29:09,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:09,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:29:09,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:29:09,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration2_Lasso [2019-11-20 06:29:09,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:29:09,387 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:29:09,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:09,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:09,395 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 06:29:09,397 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 06:29:09,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:09,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:09,401 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 06:29:09,625 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 06:29:09,627 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 06:29:09,634 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 06:29:09,636 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 06:29:09,638 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 06:29:09,640 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 06:29:09,641 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 06:29:09,643 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 06:29:09,647 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 06:29:09,648 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 06:29:09,651 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 06:29:09,653 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 06:29:09,654 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 06:29:09,656 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 06:29:09,659 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 06:29:09,660 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 06:29:09,662 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 06:29:09,664 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 06:29:09,666 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 06:29:09,668 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 06:29:09,669 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 06:29:09,672 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 06:29:09,674 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 06:29:09,676 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 06:29:09,677 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 06:29:09,679 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 06:29:10,057 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-11-20 06:29:10,130 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:29:10,131 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,140 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 06:29:10,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:10,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:10,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:10,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,156 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 06:29:10,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:10,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:10,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:10,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,167 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 06:29:10,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:10,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:10,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:10,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,189 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 06:29:10,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:10,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:10,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:10,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,204 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 06:29:10,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:10,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:10,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:10,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,224 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 06:29:10,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:10,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:10,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:10,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,236 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:10,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:10,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:10,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,268 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 06:29:10,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:10,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:10,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,288 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 06:29:10,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:10,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:10,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,304 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 06:29:10,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:10,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:10,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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) [2019-11-20 06:29:10,330 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:10,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:10,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:10,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:10,363 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 06:29:10,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,365 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2019-11-20 06:29:10,365 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 06:29:10,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,389 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2019-11-20 06:29:10,389 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 06:29:10,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:10,431 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 06:29:10,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:10,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:10,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:10,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:10,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:10,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:10,452 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 06:29:10,470 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 06:29:10,471 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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) [2019-11-20 06:29:10,480 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:10,483 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 06:29:10,483 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 06:29:10,483 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) 0)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) 0)_1 + 1 Supporting invariants [] [2019-11-20 06:29:10,491 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 06:29:10,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 06:29:10,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:10,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 06:29:10,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:10,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-20 06:29:10,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:10,630 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:10,631 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 45 [2019-11-20 06:29:10,632 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:29:10,669 INFO L567 ElimStorePlain]: treesize reduction 16, result has 71.9 percent of original size [2019-11-20 06:29:10,669 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:29:10,670 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:24 [2019-11-20 06:29:10,692 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 06:29:10,692 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 06:29:10,692 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 57 transitions. cyclomatic complexity: 16 Second operand 5 states. [2019-11-20 06:29:10,843 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 57 transitions. cyclomatic complexity: 16. Second operand 5 states. Result 128 states and 165 transitions. Complement of second has 18 states. [2019-11-20 06:29:10,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 06:29:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 06:29:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2019-11-20 06:29:10,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 8 letters. Loop has 3 letters. [2019-11-20 06:29:10,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:10,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-20 06:29:10,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:10,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-20 06:29:10,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:10,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 165 transitions. [2019-11-20 06:29:10,858 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2019-11-20 06:29:10,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 110 states and 147 transitions. [2019-11-20 06:29:10,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2019-11-20 06:29:10,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2019-11-20 06:29:10,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 147 transitions. [2019-11-20 06:29:10,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 06:29:10,874 INFO L688 BuchiCegarLoop]: Abstraction has 110 states and 147 transitions. [2019-11-20 06:29:10,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 147 transitions. [2019-11-20 06:29:10,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2019-11-20 06:29:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-20 06:29:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 135 transitions. [2019-11-20 06:29:10,901 INFO L711 BuchiCegarLoop]: Abstraction has 104 states and 135 transitions. [2019-11-20 06:29:10,901 INFO L591 BuchiCegarLoop]: Abstraction has 104 states and 135 transitions. [2019-11-20 06:29:10,901 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 06:29:10,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 135 transitions. [2019-11-20 06:29:10,906 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2019-11-20 06:29:10,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:29:10,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:29:10,910 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:10,911 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:10,911 INFO L794 eck$LassoCheckResult]: Stem: 455#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 449#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 450#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 474#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 502#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 504#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 508#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 506#recFINAL assume true; 503#recEXIT >#39#return; 500#L33-1 assume !(main_#t~ret11 <= -1);main_#t~ite12 := 1; 445#L33-3 [2019-11-20 06:29:10,911 INFO L796 eck$LassoCheckResult]: Loop: 445#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite12;havoc main_#t~ret11;havoc main_#t~mem13; 446#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 487#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 480#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 496#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 497#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 488#recFINAL assume true; 489#recEXIT >#39#return; 499#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 445#L33-3 [2019-11-20 06:29:10,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:10,912 INFO L82 PathProgramCache]: Analyzing trace with hash 2061793209, now seen corresponding path program 1 times [2019-11-20 06:29:10,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:10,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14491694] [2019-11-20 06:29:10,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,047 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 06:29:11,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14491694] [2019-11-20 06:29:11,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:29:11,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 06:29:11,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292318261] [2019-11-20 06:29:11,051 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 06:29:11,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:11,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 2 times [2019-11-20 06:29:11,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:11,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536689237] [2019-11-20 06:29:11,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:11,093 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:11,464 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-11-20 06:29:11,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:29:11,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 06:29:11,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 06:29:11,534 INFO L87 Difference]: Start difference. First operand 104 states and 135 transitions. cyclomatic complexity: 41 Second operand 6 states. [2019-11-20 06:29:11,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:29:11,585 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2019-11-20 06:29:11,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:29:11,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 123 transitions. [2019-11-20 06:29:11,590 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-20 06:29:11,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 92 states and 117 transitions. [2019-11-20 06:29:11,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2019-11-20 06:29:11,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2019-11-20 06:29:11,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 117 transitions. [2019-11-20 06:29:11,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 06:29:11,594 INFO L688 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2019-11-20 06:29:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 117 transitions. [2019-11-20 06:29:11,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-11-20 06:29:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-20 06:29:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2019-11-20 06:29:11,602 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2019-11-20 06:29:11,602 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2019-11-20 06:29:11,602 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 06:29:11,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2019-11-20 06:29:11,604 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-20 06:29:11,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:29:11,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:29:11,606 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:11,606 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:11,606 INFO L794 eck$LassoCheckResult]: Stem: 677#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 667#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 668#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 694#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 711#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 715#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 713#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 670#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 709#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 669#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 671#recFINAL assume true; 692#recEXIT >#37#return; 714#L19-1 #res := #t~ret5;havoc #t~ret5; 712#recFINAL assume true; 710#recEXIT >#39#return; 675#L33-1 assume !(main_#t~ret11 <= -1);main_#t~ite12 := 1; 663#L33-3 [2019-11-20 06:29:11,606 INFO L796 eck$LassoCheckResult]: Loop: 663#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite12;havoc main_#t~ret11;havoc main_#t~mem13; 664#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 703#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 680#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 702#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 706#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 705#recFINAL assume true; 704#recEXIT >#39#return; 696#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 663#L33-3 [2019-11-20 06:29:11,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:11,607 INFO L82 PathProgramCache]: Analyzing trace with hash 970657719, now seen corresponding path program 1 times [2019-11-20 06:29:11,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:11,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344827498] [2019-11-20 06:29:11,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:29:11,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344827498] [2019-11-20 06:29:11,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:29:11,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 06:29:11,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192837014] [2019-11-20 06:29:11,681 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 06:29:11,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:11,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 3 times [2019-11-20 06:29:11,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:11,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385147195] [2019-11-20 06:29:11,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:11,700 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:12,026 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2019-11-20 06:29:12,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:29:12,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 06:29:12,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 06:29:12,070 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. cyclomatic complexity: 33 Second operand 7 states. [2019-11-20 06:29:12,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:29:12,116 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2019-11-20 06:29:12,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 06:29:12,116 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 96 transitions. [2019-11-20 06:29:12,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 06:29:12,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 52 states and 63 transitions. [2019-11-20 06:29:12,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 06:29:12,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 06:29:12,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2019-11-20 06:29:12,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 06:29:12,120 INFO L688 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2019-11-20 06:29:12,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2019-11-20 06:29:12,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2019-11-20 06:29:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-20 06:29:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2019-11-20 06:29:12,123 INFO L711 BuchiCegarLoop]: Abstraction has 49 states and 60 transitions. [2019-11-20 06:29:12,123 INFO L591 BuchiCegarLoop]: Abstraction has 49 states and 60 transitions. [2019-11-20 06:29:12,123 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 06:29:12,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 60 transitions. [2019-11-20 06:29:12,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 06:29:12,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:29:12,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:29:12,125 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:29:12,125 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 06:29:12,126 INFO L794 eck$LassoCheckResult]: Stem: 863#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 857#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 858#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 852#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 853#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 877#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 884#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 866#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 886#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 890#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 888#recFINAL assume true; 869#recEXIT >#37#return; 870#L19-1 #res := #t~ret5;havoc #t~ret5; 882#recFINAL assume true; 878#recEXIT >#39#return; 862#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 854#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite12;havoc main_#t~ret11;havoc main_#t~mem13; 855#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 851#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 846#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 843#recENTRY [2019-11-20 06:29:12,126 INFO L796 eck$LassoCheckResult]: Loop: 843#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 845#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 844#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 843#recENTRY [2019-11-20 06:29:12,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:12,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1312873862, now seen corresponding path program 1 times [2019-11-20 06:29:12,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:12,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079471998] [2019-11-20 06:29:12,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:12,170 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:12,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:12,171 INFO L82 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 2 times [2019-11-20 06:29:12,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:12,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434194395] [2019-11-20 06:29:12,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:12,182 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:12,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:12,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1853025306, now seen corresponding path program 2 times [2019-11-20 06:29:12,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:29:12,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906496782] [2019-11-20 06:29:12,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:29:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:29:12,235 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:29:12,344 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-11-20 06:29:12,784 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 87 [2019-11-20 06:29:14,453 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 216 DAG size of output: 184 [2019-11-20 06:29:14,685 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-11-20 06:29:14,943 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-20 06:29:15,110 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-20 06:29:15,113 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:29:15,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:29:15,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:29:15,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:29:15,113 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 06:29:15,113 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:15,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:29:15,113 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:29:15,113 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration5_Lasso [2019-11-20 06:29:15,113 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:29:15,113 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:29:15,116 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 06:29:15,118 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 06:29:15,120 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 06:29:15,121 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 06:29:15,123 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 06:29:15,131 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 06:29:15,133 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 06:29:15,135 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 06:29:15,136 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 06:29:15,138 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 06:29:15,143 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 06:29:15,144 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 06:29:15,146 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 06:29:15,148 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 06:29:15,309 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-11-20 06:29:15,349 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 06:29:15,350 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 06:29:15,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:15,353 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 06:29:15,354 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 06:29:15,356 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 06:29:15,357 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 06:29:15,359 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 06:29:15,363 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 06:29:15,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:15,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:15,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:15,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:15,370 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 06:29:15,371 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 06:29:15,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:15,375 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 06:29:15,377 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 06:29:15,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:29:15,946 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-20 06:29:16,005 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:29:16,005 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,012 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 06:29:16,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,019 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 06:29:16,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:29:16,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,033 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 06:29:16,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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) [2019-11-20 06:29:16,041 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 06:29:16,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:16,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:16,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:29:16,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,060 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 06:29:16,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:16,067 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 06:29:16,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:16,077 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 06:29:16,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:16,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:29:16,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:16,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:16,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,100 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 06:29:16,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:16,106 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 06:29:16,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,115 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 06:29:16,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:29:16,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:29:16,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:29:16,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:16,137 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 06:29:16,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:16,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:16,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:16,149 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 06:29:16,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:16,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:16,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:16,165 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 06:29:16,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:16,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:16,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,180 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 06:29:16,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:16,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:16,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,199 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 06:29:16,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,200 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2019-11-20 06:29:16,200 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 06:29:16,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,230 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2019-11-20 06:29:16,230 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 06:29:16,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,292 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 06:29:16,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:16,298 INFO L402 nArgumentSynthesizer]: A total of 2 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 06:29:16,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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 06:29:16,309 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 06:29:16,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:29:16,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:29:16,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:29:16,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:29:16,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:29:16,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 06:29:16,318 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 06:29:16,328 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 06:29:16,328 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_486c7c7d-559d-44ea-8dd6-bed38dcab01f/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) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:29:16,330 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 06:29:16,332 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 06:29:16,332 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 06:29:16,333 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) rec_#in~op.base) rec_#in~op.offset)_2) = 2*v_rep(select (select old(#memory_int) rec_#in~op.base) rec_#in~op.offset)_2 + 1 Supporting invariants [1*v_rep(select (select old(#memory_int) rec_#in~op.base) rec_#in~op.offset)_2 - 1*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2 >= 0] [2019-11-20 06:29:16,338 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 06:29:16,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 06:29:16,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 06:29:16,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:16,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:29:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 06:29:16,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:16,440 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2019-11-20 06:29:16,441 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:29:16,445 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:16,445 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:29:16,445 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2019-11-20 06:29:16,482 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:16,482 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-20 06:29:16,483 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:29:16,504 INFO L567 ElimStorePlain]: treesize reduction 20, result has 68.8 percent of original size [2019-11-20 06:29:16,504 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:29:16,505 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:23 [2019-11-20 06:29:16,518 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 06:29:16,518 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 06:29:16,519 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand 5 states. [2019-11-20 06:29:16,591 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand 5 states. Result 78 states and 96 transitions. Complement of second has 16 states. [2019-11-20 06:29:16,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 06:29:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 06:29:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-11-20 06:29:16,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2019-11-20 06:29:16,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:16,593 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 06:29:16,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 06:29:16,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:16,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:29:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 06:29:16,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:16,697 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2019-11-20 06:29:16,698 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:29:16,708 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:16,708 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:29:16,708 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2019-11-20 06:29:16,748 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:16,749 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-20 06:29:16,749 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:29:16,777 INFO L567 ElimStorePlain]: treesize reduction 20, result has 68.8 percent of original size [2019-11-20 06:29:16,778 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:29:16,778 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:23 [2019-11-20 06:29:16,798 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 06:29:16,799 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 06:29:16,799 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand 5 states. [2019-11-20 06:29:16,879 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand 5 states. Result 78 states and 96 transitions. Complement of second has 16 states. [2019-11-20 06:29:16,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 06:29:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 06:29:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-11-20 06:29:16,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2019-11-20 06:29:16,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:16,884 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 06:29:16,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 06:29:16,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:16,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:29:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 06:29:16,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:29:17,005 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2019-11-20 06:29:17,005 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:29:17,013 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:17,014 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:29:17,014 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2019-11-20 06:29:17,054 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:29:17,054 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-20 06:29:17,055 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:29:17,078 INFO L567 ElimStorePlain]: treesize reduction 20, result has 68.8 percent of original size [2019-11-20 06:29:17,079 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:29:17,079 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:23 [2019-11-20 06:29:17,093 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 06:29:17,093 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 06:29:17,093 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand 5 states. [2019-11-20 06:29:17,187 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand 5 states. Result 76 states and 88 transitions. Complement of second has 17 states. [2019-11-20 06:29:17,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 06:29:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 06:29:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-11-20 06:29:17,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 20 letters. Loop has 3 letters. [2019-11-20 06:29:17,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:17,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 23 letters. Loop has 3 letters. [2019-11-20 06:29:17,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:17,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 20 letters. Loop has 6 letters. [2019-11-20 06:29:17,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:29:17,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 88 transitions. [2019-11-20 06:29:17,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:29:17,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 0 states and 0 transitions. [2019-11-20 06:29:17,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 06:29:17,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 06:29:17,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 06:29:17,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:29:17,208 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:29:17,208 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:29:17,208 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:29:17,208 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 06:29:17,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:29:17,208 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:29:17,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 06:29:17,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:29:17 BoogieIcfgContainer [2019-11-20 06:29:17,217 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 06:29:17,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:29:17,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:29:17,218 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:29:17,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:04" (3/4) ... [2019-11-20 06:29:17,227 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 06:29:17,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:29:17,228 INFO L168 Benchmark]: Toolchain (without parser) took 13310.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 320.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 191.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:17,229 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:17,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:17,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:17,230 INFO L168 Benchmark]: Boogie Preprocessor took 19.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:17,230 INFO L168 Benchmark]: RCFGBuilder took 276.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:17,231 INFO L168 Benchmark]: BuchiAutomizer took 12644.87 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 212.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.0 MB). Peak memory consumption was 205.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:17,231 INFO L168 Benchmark]: Witness Printer took 9.69 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:17,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 276.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12644.87 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 212.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.0 MB). Peak memory consumption was 205.8 MB. Max. memory is 11.5 GB. * Witness Printer took 9.69 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][0] + 1 and consists of 6 locations. One nondeterministic module has affine ranking function 2 * \old(unknown-#memory_int-unknown)[op][op] + 1 and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.5s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 10.5s. Construction of modules took 0.2s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 104 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 80 SDtfs, 61 SDslu, 129 SDs, 0 SdLazy, 202 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital364 mio100 ax100 hnf100 lsp97 ukn45 mio100 lsp29 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf444 smp79 tf100 neg87 sie149 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 94ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 16 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 76 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...