./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-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_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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 86041c6ad59cce2f98747ca89872b3c90a73ab21 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:14:59,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:59,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:59,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:59,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:59,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:59,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:59,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:59,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:59,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:59,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:59,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:59,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:59,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:59,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:59,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:59,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:59,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:59,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:59,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:59,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:59,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:59,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:59,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:59,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:59,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:59,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:59,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:59,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:59,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:59,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:59,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:59,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:59,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:59,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:59,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:59,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:59,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:59,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:59,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:59,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:59,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:14:59,895 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:59,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:59,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:59,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:59,902 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:59,903 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:14:59,903 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:14:59,903 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:14:59,904 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:14:59,904 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:14:59,905 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:14:59,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:59,906 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:14:59,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:59,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:59,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:14:59,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:14:59,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:14:59,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:59,908 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:14:59,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:59,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:14:59,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:59,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:59,909 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:14:59,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:59,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:59,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:59,911 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:14:59,912 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:14:59,912 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_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86041c6ad59cce2f98747ca89872b3c90a73ab21 [2020-11-28 03:15:00,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:15:00,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:15:00,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:15:00,327 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:15:00,330 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:15:00,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2020-11-28 03:15:00,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/data/1bf685d07/5051a6afa2d940a6941122d0c70046da/FLAGc4a58e849 [2020-11-28 03:15:01,192 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:15:01,198 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2020-11-28 03:15:01,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/data/1bf685d07/5051a6afa2d940a6941122d0c70046da/FLAGc4a58e849 [2020-11-28 03:15:01,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/data/1bf685d07/5051a6afa2d940a6941122d0c70046da [2020-11-28 03:15:01,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:15:01,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:15:01,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:01,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:15:01,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:15:01,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:01" (1/1) ... [2020-11-28 03:15:01,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af75aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:01, skipping insertion in model container [2020-11-28 03:15:01,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:01" (1/1) ... [2020-11-28 03:15:01,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:15:01,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:15:01,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:01,957 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:15:01,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:02,071 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:15:02,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02 WrapperNode [2020-11-28 03:15:02,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:02,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:02,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:15:02,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:15:02,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... [2020-11-28 03:15:02,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... [2020-11-28 03:15:02,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:02,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:15:02,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:15:02,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:15:02,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... [2020-11-28 03:15:02,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... [2020-11-28 03:15:02,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... [2020-11-28 03:15:02,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... [2020-11-28 03:15:02,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... [2020-11-28 03:15:02,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... [2020-11-28 03:15:02,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... [2020-11-28 03:15:02,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:15:02,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:15:02,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:15:02,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:15:02,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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 [2020-11-28 03:15:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:15:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:15:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:15:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:15:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:15:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:15:02,889 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:15:02,889 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 03:15:02,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:02 BoogieIcfgContainer [2020-11-28 03:15:02,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:15:02,894 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:15:02,894 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:15:02,899 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:15:02,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:15:02,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:15:01" (1/3) ... [2020-11-28 03:15:02,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28c7f870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:15:02, skipping insertion in model container [2020-11-28 03:15:02,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:15:02,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:02" (2/3) ... [2020-11-28 03:15:02,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28c7f870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:15:02, skipping insertion in model container [2020-11-28 03:15:02,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:15:02,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:02" (3/3) ... [2020-11-28 03:15:02,905 INFO L373 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-1.i [2020-11-28 03:15:02,990 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:15:02,991 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:15:02,991 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:15:02,991 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:15:02,991 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:15:02,992 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:15:02,992 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:15:02,992 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:15:03,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-28 03:15:03,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:15:03,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:15:03,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:15:03,041 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:15:03,041 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:15:03,042 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:15:03,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-28 03:15:03,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:15:03,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:15:03,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:15:03,047 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 03:15:03,048 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:15:03,057 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 6#L557true assume !(main_~length1~0 < 1); 8#L557-2true assume !(main_~length2~0 < 1); 15#L560-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 4#L551-4true [2020-11-28 03:15:03,058 INFO L796 eck$LassoCheckResult]: Loop: 4#L551-4true call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 13#L551-1true assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 3#L551-3true cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 4#L551-4true [2020-11-28 03:15:03,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:03,067 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2020-11-28 03:15:03,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:03,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413545504] [2020-11-28 03:15:03,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:15:03,258 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:15:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:15:03,309 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:15:03,347 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:15:03,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:03,353 INFO L82 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2020-11-28 03:15:03,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:03,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359017941] [2020-11-28 03:15:03,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:15:03,383 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:15:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:15:03,405 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:15:03,416 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:15:03,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:03,425 INFO L82 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2020-11-28 03:15:03,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:15:03,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641210010] [2020-11-28 03:15:03,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:15:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:15:03,488 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:15:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:15:03,551 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:15:03,559 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:15:04,315 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-11-28 03:15:04,488 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-28 03:15:04,506 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:15:04,507 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:15:04,507 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:15:04,507 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:15:04,507 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:15:04,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:04,508 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:15:04,508 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:15:04,508 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-1.i_Iteration1_Lasso [2020-11-28 03:15:04,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:15:04,509 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:15:04,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:04,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:05,198 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2020-11-28 03:15:05,441 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-11-28 03:15:05,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:05,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:15:05,696 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-28 03:15:06,143 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-28 03:15:06,396 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:15:06,401 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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 [2020-11-28 03:15:06,408 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 [2020-11-28 03:15:06,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:06,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:06,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:15:06,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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) [2020-11-28 03:15:06,473 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 [2020-11-28 03:15:06,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:06,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:06,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:06,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:06,529 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 [2020-11-28 03:15:06,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:06,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:06,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:15:06,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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 [2020-11-28 03:15:06,591 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 [2020-11-28 03:15:06,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:06,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:06,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:15:06,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:06,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:15:06,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:06,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:06,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:15:06,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:06,666 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 [2020-11-28 03:15:06,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:15:06,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:15:06,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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 [2020-11-28 03:15:06,725 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 [2020-11-28 03:15:06,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:15:06,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:15:06,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:06,789 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 [2020-11-28 03:15:06,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:06,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:06,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:15:06,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:06,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:15:06,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:06,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:06,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:15:06,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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 [2020-11-28 03:15:06,889 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 [2020-11-28 03:15:06,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:15:06,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:15:06,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:06,942 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 [2020-11-28 03:15:06,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:06,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:06,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:15:06,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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 [2020-11-28 03:15:06,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:15:06,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:06,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:06,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:06,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:06,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:06,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:06,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:15:06,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:07,022 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 [2020-11-28 03:15:07,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:07,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:07,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:07,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:07,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:15:07,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:15:07,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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) [2020-11-28 03:15:07,099 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 [2020-11-28 03:15:07,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:07,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:07,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:07,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:07,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:07,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:07,103 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 [2020-11-28 03:15:07,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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) [2020-11-28 03:15:07,157 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 [2020-11-28 03:15:07,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:07,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:07,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:07,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:07,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:15:07,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:07,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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) [2020-11-28 03:15:07,219 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 [2020-11-28 03:15:07,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:07,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:07,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:07,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:07,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:15:07,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:07,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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) [2020-11-28 03:15:07,282 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 [2020-11-28 03:15:07,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:07,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:15:07,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:07,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:07,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:15:07,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:15:07,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:07,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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) [2020-11-28 03:15:07,339 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 [2020-11-28 03:15:07,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:15:07,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:15:07,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:15:07,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:07,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:15:07,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:15:07,435 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:15:07,708 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2020-11-28 03:15:07,709 INFO L444 ModelExtractionUtils]: 11 out of 49 variables were initially zero. Simplification set additionally 35 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2d9e3d3-79e0-48f1-abdf-74bdaa1db98a/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) [2020-11-28 03:15:07,717 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:15:07,721 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:15:07,721 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:15:07,722 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~from.offset, v_rep(select #length ULTIMATE.start_cstrcpy_~from.base)_1) = -1*ULTIMATE.start_cstrcpy_~from.offset + 1*v_rep(select #length ULTIMATE.start_cstrcpy_~from.base)_1 Supporting invariants [] [2020-11-28 03:15:07,825 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2020-11-28 03:15:07,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:15:07,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:15:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:07,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:15:07,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:15:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:15:07,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:15:07,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:15:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:15:07,981 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 [2020-11-28 03:15:07,982 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-11-28 03:15:08,032 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 29 states and 33 transitions. Complement of second has 5 states. [2020-11-28 03:15:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:15:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:15:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2020-11-28 03:15:08,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 3 letters. [2020-11-28 03:15:08,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:15:08,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 3 letters. [2020-11-28 03:15:08,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:15:08,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 6 letters. [2020-11-28 03:15:08,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:15:08,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 33 transitions. [2020-11-28 03:15:08,047 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:15:08,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-11-28 03:15:08,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:15:08,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:15:08,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:15:08,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:15:08,052 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:15:08,053 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:15:08,053 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:15:08,053 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:15:08,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:15:08,053 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:15:08,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:15:08,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:15:08 BoogieIcfgContainer [2020-11-28 03:15:08,060 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:15:08,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:15:08,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:15:08,063 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:15:08,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:02" (3/4) ... [2020-11-28 03:15:08,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:15:08,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:15:08,070 INFO L168 Benchmark]: Toolchain (without parser) took 6644.70 ms. Allocated memory was 92.3 MB in the beginning and 138.4 MB in the end (delta: 46.1 MB). Free memory was 56.2 MB in the beginning and 82.0 MB in the end (delta: -25.8 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:08,071 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:15:08,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.65 ms. Allocated memory is still 92.3 MB. Free memory was 56.1 MB in the beginning and 58.7 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:08,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.57 ms. Allocated memory is still 92.3 MB. Free memory was 58.7 MB in the beginning and 56.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:08,080 INFO L168 Benchmark]: Boogie Preprocessor took 66.67 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 55.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:08,081 INFO L168 Benchmark]: RCFGBuilder took 673.22 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 55.4 MB in the beginning and 87.8 MB in the end (delta: -32.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:08,083 INFO L168 Benchmark]: BuchiAutomizer took 5165.49 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 87.8 MB in the beginning and 82.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:08,084 INFO L168 Benchmark]: Witness Printer took 4.80 ms. Allocated memory is still 138.4 MB. Free memory is still 82.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:15:08,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 634.65 ms. Allocated memory is still 92.3 MB. Free memory was 56.1 MB in the beginning and 58.7 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.57 ms. Allocated memory is still 92.3 MB. Free memory was 58.7 MB in the beginning and 56.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.67 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 55.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 673.22 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 55.4 MB in the beginning and 87.8 MB in the end (delta: -32.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5165.49 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 87.8 MB in the beginning and 82.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.80 ms. Allocated memory is still 138.4 MB. Free memory is still 82.0 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * from + unknown-#length-unknown[from] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax109 hnf99 lsp88 ukn92 mio100 lsp49 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...