./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10c50c605d9fb7cd886e3d668ba568a2b619230b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:25:51,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:25:51,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:25:51,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:25:51,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:25:51,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:25:51,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:25:51,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:25:51,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:25:51,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:25:51,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:25:51,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:25:51,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:25:51,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:25:51,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:25:51,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:25:51,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:25:51,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:25:51,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:25:51,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:25:51,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:25:51,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:25:51,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:25:51,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:25:51,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:25:51,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:25:51,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:25:51,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:25:51,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:25:51,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:25:51,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:25:51,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:25:51,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:25:51,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:25:51,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:25:51,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:25:51,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:25:51,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:25:51,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:25:51,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:25:51,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:25:51,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 21:25:51,936 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:25:51,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:25:51,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:25:51,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:25:51,939 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:25:51,940 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 21:25:51,940 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 21:25:51,940 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 21:25:51,940 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 21:25:51,941 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 21:25:51,942 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 21:25:51,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:25:51,943 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:25:51,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:25:51,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:25:51,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 21:25:51,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 21:25:51,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 21:25:51,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:25:51,944 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 21:25:51,944 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:25:51,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 21:25:51,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:25:51,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:25:51,945 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 21:25:51,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:25:51,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:25:51,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:25:51,946 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 21:25:51,949 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 21:25:51,949 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10c50c605d9fb7cd886e3d668ba568a2b619230b [2020-11-29 21:25:52,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:25:52,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:25:52,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:25:52,277 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:25:52,278 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:25:52,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2020-11-29 21:25:52,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/data/f3469ddfc/f64908db29e24be28755c80c6a09fc54/FLAGd0ba9a571 [2020-11-29 21:25:52,922 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:25:52,923 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2020-11-29 21:25:52,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/data/f3469ddfc/f64908db29e24be28755c80c6a09fc54/FLAGd0ba9a571 [2020-11-29 21:25:53,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/data/f3469ddfc/f64908db29e24be28755c80c6a09fc54 [2020-11-29 21:25:53,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:25:53,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:25:53,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:25:53,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:25:53,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:25:53,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268cdac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53, skipping insertion in model container [2020-11-29 21:25:53,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:25:53,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:25:53,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:25:53,682 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:25:53,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:25:53,815 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:25:53,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53 WrapperNode [2020-11-29 21:25:53,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:25:53,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:25:53,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:25:53,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:25:53,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:25:53,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:25:53,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:25:53,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:25:53,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... [2020-11-29 21:25:53,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:25:53,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:25:53,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:25:53,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:25:53,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 21:25:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 21:25:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:25:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:25:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:25:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:25:54,242 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:25:54,242 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 21:25:54,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:25:54 BoogieIcfgContainer [2020-11-29 21:25:54,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:25:54,245 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 21:25:54,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 21:25:54,248 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 21:25:54,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:25:54,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 09:25:53" (1/3) ... [2020-11-29 21:25:54,252 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6807e870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 09:25:54, skipping insertion in model container [2020-11-29 21:25:54,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:25:54,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:25:53" (2/3) ... [2020-11-29 21:25:54,253 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6807e870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 09:25:54, skipping insertion in model container [2020-11-29 21:25:54,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:25:54,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:25:54" (3/3) ... [2020-11-29 21:25:54,255 INFO L373 chiAutomizerObserver]: Analyzing ICFG array01-alloca-1.i [2020-11-29 21:25:54,334 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 21:25:54,334 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 21:25:54,334 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 21:25:54,334 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:25:54,335 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:25:54,335 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 21:25:54,335 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:25:54,335 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 21:25:54,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-29 21:25:54,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 21:25:54,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:25:54,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:25:54,382 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 21:25:54,382 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 21:25:54,382 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 21:25:54,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-29 21:25:54,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 21:25:54,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:25:54,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:25:54,387 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 21:25:54,388 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 21:25:54,395 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 10#L561true assume !(main_~array_size~0 < 1); 14#L561-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 3#L551-3true [2020-11-29 21:25:54,395 INFO L796 eck$LassoCheckResult]: Loop: 3#L551-3true assume !!(test_fun_~i~0 < test_fun_~N); 12#L552-3true assume !true; 13#L551-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 3#L551-3true [2020-11-29 21:25:54,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:54,407 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-11-29 21:25:54,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:54,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95373351] [2020-11-29 21:25:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:54,557 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:54,582 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:54,617 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:54,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:54,621 INFO L82 PathProgramCache]: Analyzing trace with hash 47058, now seen corresponding path program 1 times [2020-11-29 21:25:54,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:54,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837355189] [2020-11-29 21:25:54,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:25:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:25:54,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837355189] [2020-11-29 21:25:54,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:25:54,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:25:54,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691501005] [2020-11-29 21:25:54,673 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 21:25:54,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:25:54,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:25:54,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:25:54,709 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2020-11-29 21:25:54,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:25:54,717 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2020-11-29 21:25:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:25:54,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2020-11-29 21:25:54,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 21:25:54,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 10 transitions. [2020-11-29 21:25:54,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-11-29 21:25:54,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-29 21:25:54,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2020-11-29 21:25:54,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 21:25:54,729 INFO L691 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-29 21:25:54,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2020-11-29 21:25:54,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-11-29 21:25:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-29 21:25:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-11-29 21:25:54,791 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-29 21:25:54,792 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-29 21:25:54,792 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 21:25:54,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-11-29 21:25:54,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 21:25:54,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:25:54,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:25:54,796 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 21:25:54,796 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 21:25:54,796 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 34#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 35#L561 assume !(main_~array_size~0 < 1); 41#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 36#L551-3 [2020-11-29 21:25:54,797 INFO L796 eck$LassoCheckResult]: Loop: 36#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 37#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 39#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 40#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 36#L551-3 [2020-11-29 21:25:54,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:54,798 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2020-11-29 21:25:54,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:54,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033733316] [2020-11-29 21:25:54,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:54,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:54,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:54,860 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:54,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:54,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1451916, now seen corresponding path program 1 times [2020-11-29 21:25:54,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:54,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382296225] [2020-11-29 21:25:54,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:54,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:54,889 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:54,896 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:54,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:54,897 INFO L82 PathProgramCache]: Analyzing trace with hash 176797040, now seen corresponding path program 1 times [2020-11-29 21:25:54,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:54,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253764135] [2020-11-29 21:25:54,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:54,933 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:54,958 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:54,971 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:55,239 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-11-29 21:25:55,325 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:25:55,325 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:25:55,325 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:25:55,326 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:25:55,326 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:25:55,327 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:55,327 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:25:55,327 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:25:55,331 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration2_Lasso [2020-11-29 21:25:55,331 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:25:55,332 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:25:55,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,527 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-11-29 21:25:55,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:55,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:56,028 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:25:56,034 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:56,048 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 [2020-11-29 21:25:56,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:56,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:56,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:56,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:56,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:56,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:25:56,115 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:25:56,198 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-11-29 21:25:56,199 INFO L444 ModelExtractionUtils]: 18 out of 34 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:56,204 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:56,209 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-29 21:25:56,210 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:25:56,210 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1, ULTIMATE.start_test_fun_~i~0) = 1*v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1 - 4*ULTIMATE.start_test_fun_~i~0 Supporting invariants [1*ULTIMATE.start_test_fun_~a.offset >= 0] [2020-11-29 21:25:56,267 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-11-29 21:25:56,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 21:25:56,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:25:56,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 21:25:56,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:25:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:25:56,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 21:25:56,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:25:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:25:56,381 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 21:25:56,381 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand 4 states. [2020-11-29 21:25:56,455 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 14 states and 18 transitions. Complement of second has 6 states. [2020-11-29 21:25:56,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 21:25:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 21:25:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-11-29 21:25:56,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-29 21:25:56,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:25:56,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2020-11-29 21:25:56,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:25:56,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 8 letters. [2020-11-29 21:25:56,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:25:56,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2020-11-29 21:25:56,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 21:25:56,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 17 transitions. [2020-11-29 21:25:56,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-29 21:25:56,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-29 21:25:56,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2020-11-29 21:25:56,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:25:56,463 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2020-11-29 21:25:56,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2020-11-29 21:25:56,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2020-11-29 21:25:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-29 21:25:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2020-11-29 21:25:56,469 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-11-29 21:25:56,469 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-11-29 21:25:56,469 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 21:25:56,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2020-11-29 21:25:56,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 21:25:56,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:25:56,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:25:56,471 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 21:25:56,472 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 21:25:56,472 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 124#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 125#L561 assume !(main_~array_size~0 < 1); 134#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 126#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 128#L552-3 [2020-11-29 21:25:56,472 INFO L796 eck$LassoCheckResult]: Loop: 128#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 131#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 128#L552-3 [2020-11-29 21:25:56,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:56,473 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2020-11-29 21:25:56,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:56,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670736406] [2020-11-29 21:25:56,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:56,497 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:56,504 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:56,507 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:56,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:56,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2020-11-29 21:25:56,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:56,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630629608] [2020-11-29 21:25:56,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:56,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:56,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:56,522 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:56,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:56,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2020-11-29 21:25:56,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:56,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111690370] [2020-11-29 21:25:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:56,543 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:56,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:56,575 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:56,844 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-11-29 21:25:56,912 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:25:56,912 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:25:56,912 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:25:56,912 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:25:56,913 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:25:56,913 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:56,913 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:25:56,913 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:25:56,913 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration3_Lasso [2020-11-29 21:25:56,913 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:25:56,913 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:25:56,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:56,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,071 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-11-29 21:25:57,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:57,612 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:25:57,612 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:57,621 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 [2020-11-29 21:25:57,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:57,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:57,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:57,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:57,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:57,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:57,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:57,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:57,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:25:57,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:57,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:57,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:57,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:57,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:57,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:57,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:25:57,675 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:25:57,686 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 21:25:57,686 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:57,693 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:25:57,694 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 21:25:57,694 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:25:57,694 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:57,739 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-11-29 21:25:57,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:25:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:25:57,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:25:57,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:25:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:25:57,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 21:25:57,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:25:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:25:57,816 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 21:25:57,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-11-29 21:25:57,842 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 20 states and 26 transitions. Complement of second has 7 states. [2020-11-29 21:25:57,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 21:25:57,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 21:25:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2020-11-29 21:25:57,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-29 21:25:57,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:25:57,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-29 21:25:57,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:25:57,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2020-11-29 21:25:57,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:25:57,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2020-11-29 21:25:57,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 21:25:57,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 19 transitions. [2020-11-29 21:25:57,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-29 21:25:57,847 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-11-29 21:25:57,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2020-11-29 21:25:57,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 21:25:57,848 INFO L691 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-11-29 21:25:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2020-11-29 21:25:57,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2020-11-29 21:25:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-29 21:25:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2020-11-29 21:25:57,849 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2020-11-29 21:25:57,850 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2020-11-29 21:25:57,850 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 21:25:57,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2020-11-29 21:25:57,850 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 21:25:57,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:25:57,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:25:57,851 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:25:57,851 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 21:25:57,851 INFO L794 eck$LassoCheckResult]: Stem: 219#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 217#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 218#L561 assume !(main_~array_size~0 < 1); 223#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 212#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 213#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 221#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 222#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 214#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 215#L552-3 [2020-11-29 21:25:57,851 INFO L796 eck$LassoCheckResult]: Loop: 215#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 220#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 215#L552-3 [2020-11-29 21:25:57,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:57,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1185740961, now seen corresponding path program 2 times [2020-11-29 21:25:57,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:57,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62818596] [2020-11-29 21:25:57,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:57,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:57,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:57,913 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:57,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:57,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2020-11-29 21:25:57,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:57,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144232859] [2020-11-29 21:25:57,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:57,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:57,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:57,938 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:57,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:57,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1330730790, now seen corresponding path program 1 times [2020-11-29 21:25:57,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:25:57,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389294808] [2020-11-29 21:25:57,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:25:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:57,968 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:25:57,992 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:25:57,996 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:25:58,250 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2020-11-29 21:25:58,371 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-29 21:25:58,373 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 21:25:58,373 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 21:25:58,373 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 21:25:58,373 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 21:25:58,373 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 21:25:58,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:58,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 21:25:58,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 21:25:58,374 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration4_Lasso [2020-11-29 21:25:58,374 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 21:25:58,374 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 21:25:58,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 21:25:58,591 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-11-29 21:25:58,992 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 21:25:58,992 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:59,009 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 [2020-11-29 21:25:59,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:59,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,040 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 [2020-11-29 21:25:59,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:25:59,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:59,097 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 [2020-11-29 21:25:59,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:59,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:59,149 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 [2020-11-29 21:25:59,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:59,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:25:59,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,184 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 [2020-11-29 21:25:59,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:25:59,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:59,235 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 [2020-11-29 21:25:59,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:59,240 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:25:59,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:25:59,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:59,313 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 [2020-11-29 21:25:59,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:59,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:59,369 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 [2020-11-29 21:25:59,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:59,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:59,403 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 [2020-11-29 21:25:59,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:25:59,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,431 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 [2020-11-29 21:25:59,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:25:59,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,477 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 [2020-11-29 21:25:59,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:25:59,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,512 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 [2020-11-29 21:25:59,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:25:59,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:59,541 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 [2020-11-29 21:25:59,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:25:59,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,572 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 [2020-11-29 21:25:59,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:25:59,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,604 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 [2020-11-29 21:25:59,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:25:59,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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) [2020-11-29 21:25:59,639 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 21:25:59,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:25:59,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,675 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 [2020-11-29 21:25:59,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:25:59,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 21:25:59,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 21:25:59,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 21:25:59,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,743 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 [2020-11-29 21:25:59,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 21:25:59,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 21:25:59,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 21:25:59,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 21:25:59,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 21:25:59,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 21:25:59,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 21:25:59,747 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 21:25:59,750 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 21:25:59,750 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ec65b4a-9b09-48a6-b2ad-61ad551656fd/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 [2020-11-29 21:25:59,753 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 21:25:59,753 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 21:25:59,754 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 21:25:59,754 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1 Supporting invariants [] [2020-11-29 21:25:59,783 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-11-29 21:25:59,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 21:25:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:25:59,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:25:59,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:25:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:25:59,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 21:25:59,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:25:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:25:59,852 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 21:25:59,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-11-29 21:25:59,893 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 7 states. [2020-11-29 21:25:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 21:25:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 21:25:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2020-11-29 21:25:59,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2020-11-29 21:25:59,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:25:59,896 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 21:25:59,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:25:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:25:59,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:25:59,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:25:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:25:59,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 21:25:59,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:25:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:25:59,949 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 21:25:59,949 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-11-29 21:25:59,983 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 7 states. [2020-11-29 21:25:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 21:25:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 21:25:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2020-11-29 21:25:59,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2020-11-29 21:25:59,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:25:59,986 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 21:26:00,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:26:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:26:00,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:26:00,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:26:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:26:00,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 21:26:00,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:26:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:26:00,051 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 21:26:00,051 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-11-29 21:26:00,070 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 20 states and 26 transitions. Complement of second has 6 states. [2020-11-29 21:26:00,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 21:26:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 21:26:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2020-11-29 21:26:00,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2020-11-29 21:26:00,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:26:00,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2020-11-29 21:26:00,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:26:00,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2020-11-29 21:26:00,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 21:26:00,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2020-11-29 21:26:00,074 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 21:26:00,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2020-11-29 21:26:00,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 21:26:00,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 21:26:00,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 21:26:00,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 21:26:00,075 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:26:00,075 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:26:00,075 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:26:00,075 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-29 21:26:00,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:26:00,075 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 21:26:00,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 21:26:00,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 09:26:00 BoogieIcfgContainer [2020-11-29 21:26:00,080 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 21:26:00,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:26:00,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:26:00,081 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:26:00,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:25:54" (3/4) ... [2020-11-29 21:26:00,084 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 21:26:00,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:26:00,086 INFO L168 Benchmark]: Toolchain (without parser) took 6845.88 ms. Allocated memory was 100.7 MB in the beginning and 155.2 MB in the end (delta: 54.5 MB). Free memory was 77.0 MB in the beginning and 49.9 MB in the end (delta: 27.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:26:00,086 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:26:00,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.37 ms. Allocated memory is still 100.7 MB. Free memory was 76.8 MB in the beginning and 67.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:26:00,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.42 ms. Allocated memory is still 100.7 MB. Free memory was 67.3 MB in the beginning and 65.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:26:00,087 INFO L168 Benchmark]: Boogie Preprocessor took 24.95 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 64.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:26:00,088 INFO L168 Benchmark]: RCFGBuilder took 356.99 ms. Allocated memory is still 100.7 MB. Free memory was 64.3 MB in the beginning and 51.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:26:00,089 INFO L168 Benchmark]: BuchiAutomizer took 5835.89 ms. Allocated memory was 100.7 MB in the beginning and 155.2 MB in the end (delta: 54.5 MB). Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 108.5 kB). Peak memory consumption was 56.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:26:00,089 INFO L168 Benchmark]: Witness Printer took 3.39 ms. Allocated memory is still 155.2 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:26:00,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.37 ms. Allocated memory is still 100.7 MB. Free memory was 76.8 MB in the beginning and 67.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.42 ms. Allocated memory is still 100.7 MB. Free memory was 67.3 MB in the beginning and 65.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.95 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 64.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 356.99 ms. Allocated memory is still 100.7 MB. Free memory was 64.3 MB in the beginning and 51.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5835.89 ms. Allocated memory was 100.7 MB in the beginning and 155.2 MB in the end (delta: 54.5 MB). Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 108.5 kB). Peak memory consumption was 56.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.39 ms. Allocated memory is still 155.2 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[a] + -4 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 49 SDtfs, 37 SDslu, 1 SDs, 0 SdLazy, 45 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax113 hnf99 lsp79 ukn81 mio100 lsp57 div100 bol100 ite100 ukn100 eq180 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 174ms VariablesStem: 10 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...