./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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 32bit --witnessprinter.graph.data.programhash 6cbc2f8335eda1137ed277d7eb74d7775ef6f777 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:50:30,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:30,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:30,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:30,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:30,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:30,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:30,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:30,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:30,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:30,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:30,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:30,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:30,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:30,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:30,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:30,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:30,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:30,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:30,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:30,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:30,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:30,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:30,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:30,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:30,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:30,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:30,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:30,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:30,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:30,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:30,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:30,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:30,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:30,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:30,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:30,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:30,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:30,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:30,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:30,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:30,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:50:30,892 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:30,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:30,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:30,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:30,893 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:30,893 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:50:30,894 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:50:30,894 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:50:30,894 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:50:30,894 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:50:30,894 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:50:30,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:30,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:30,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:50:30,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:30,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:30,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:30,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:50:30,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:50:30,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:50:30,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:30,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:30,896 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:50:30,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:30,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:50:30,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:30,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:30,897 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:50:30,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:30,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:50:30,898 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:50:30,899 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:50:30,909 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cbc2f8335eda1137ed277d7eb74d7775ef6f777 [2019-11-25 08:50:31,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:31,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:31,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:31,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:31,091 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:31,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i [2019-11-25 08:50:31,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/data/20cb86945/8a3bd6e66a064a90b8a4cb540595e55c/FLAGae2770283 [2019-11-25 08:50:31,554 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:31,555 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i [2019-11-25 08:50:31,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/data/20cb86945/8a3bd6e66a064a90b8a4cb540595e55c/FLAGae2770283 [2019-11-25 08:50:31,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/data/20cb86945/8a3bd6e66a064a90b8a4cb540595e55c [2019-11-25 08:50:31,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:31,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:31,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:31,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:31,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:31,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:31" (1/1) ... [2019-11-25 08:50:31,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28231f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:31, skipping insertion in model container [2019-11-25 08:50:32,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:31" (1/1) ... [2019-11-25 08:50:32,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:32,024 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:32,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:32,294 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:32,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:32,341 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:32,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32 WrapperNode [2019-11-25 08:50:32,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:32,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:32,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:32,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:32,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... [2019-11-25 08:50:32,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... [2019-11-25 08:50:32,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:32,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:32,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:32,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:32,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... [2019-11-25 08:50:32,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... [2019-11-25 08:50:32,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... [2019-11-25 08:50:32,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... [2019-11-25 08:50:32,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... [2019-11-25 08:50:32,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... [2019-11-25 08:50:32,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... [2019-11-25 08:50:32,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:32,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:32,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:32,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:32,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 08:50:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 08:50:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:50:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-25 08:50:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:50:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:50:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:50:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-25 08:50:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:50:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:50:32,759 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:32,825 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:32,826 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:50:32,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:32 BoogieIcfgContainer [2019-11-25 08:50:32,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:32,827 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:50:32,828 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:50:32,831 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:50:32,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:50:32,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:50:31" (1/3) ... [2019-11-25 08:50:32,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76bf6732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:50:32, skipping insertion in model container [2019-11-25 08:50:32,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:50:32,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:32" (2/3) ... [2019-11-25 08:50:32,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76bf6732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:50:32, skipping insertion in model container [2019-11-25 08:50:32,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:50:32,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:32" (3/3) ... [2019-11-25 08:50:32,834 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-bitfields-2.1-1.i [2019-11-25 08:50:32,881 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:50:32,881 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:50:32,881 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:50:32,881 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:32,881 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:32,882 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:50:32,882 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:32,882 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:50:32,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-25 08:50:32,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-25 08:50:32,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:32,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:32,929 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:50:32,929 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:50:32,929 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:50:32,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-25 08:50:32,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-25 08:50:32,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:32,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:32,935 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:50:32,935 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:50:32,942 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(3);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 12#L31true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 3);< 17##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 3#$Ultimate##0true #t~loopctr7 := 0; 9#L-1-1true [2019-11-25 08:50:32,943 INFO L796 eck$LassoCheckResult]: Loop: 9#L-1-1true assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 9#L-1-1true [2019-11-25 08:50:32,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:32,948 INFO L82 PathProgramCache]: Analyzing trace with hash 28738897, now seen corresponding path program 1 times [2019-11-25 08:50:32,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:32,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007463991] [2019-11-25 08:50:32,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:33,172 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:33,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:33,174 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times [2019-11-25 08:50:33,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:33,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653170693] [2019-11-25 08:50:33,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:33,183 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:33,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:33,185 INFO L82 PathProgramCache]: Analyzing trace with hash 890905848, now seen corresponding path program 1 times [2019-11-25 08:50:33,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:33,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631842256] [2019-11-25 08:50:33,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:33,236 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:33,864 WARN L192 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-11-25 08:50:34,037 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-25 08:50:34,477 WARN L192 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-11-25 08:50:34,661 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-25 08:50:34,672 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:50:34,672 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:50:34,673 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:50:34,673 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:50:34,673 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:50:34,674 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:34,674 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:50:34,674 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:50:34,674 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2.1-1.i_Iteration1_Lasso [2019-11-25 08:50:34,674 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:50:34,674 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:50:34,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,025 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-11-25 08:50:35,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:35,567 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:50:35,574 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:35,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:35,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:35,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:35,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:35,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:35,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,780 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-25 08:50:35,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,788 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-25 08:50:35,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:35,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:35,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,848 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 [2019-11-25 08:50:35,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:35,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:35,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:35,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:35,922 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:35,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:35,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:35,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:35,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:35,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:35,947 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:50:36,093 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-25 08:50:36,093 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:36,101 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:36,110 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:50:36,110 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:50:36,111 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr7, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr7 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2019-11-25 08:50:36,166 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2019-11-25 08:50:36,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2019-11-25 08:50:36,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:36,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:50:36,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:36,252 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:50:36,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:36,268 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-25 08:50:36,269 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states. Second operand 2 states. [2019-11-25 08:50:36,353 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states.. Second operand 2 states. Result 26 states and 35 transitions. Complement of second has 6 states. [2019-11-25 08:50:36,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:50:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-25 08:50:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-25 08:50:36,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-25 08:50:36,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:36,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-25 08:50:36,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:36,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-25 08:50:36,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:36,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 35 transitions. [2019-11-25 08:50:36,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:50:36,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 9 states and 11 transitions. [2019-11-25 08:50:36,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-25 08:50:36,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-25 08:50:36,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2019-11-25 08:50:36,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:50:36,379 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-25 08:50:36,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2019-11-25 08:50:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-11-25 08:50:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-25 08:50:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-25 08:50:36,406 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-25 08:50:36,406 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-25 08:50:36,407 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:50:36,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-11-25 08:50:36,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:50:36,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:36,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:36,408 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:50:36,408 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:50:36,409 INFO L794 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 153#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(3);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 154#L31 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 3);< 155##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 157#$Ultimate##0 #t~loopctr7 := 0; 158#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 159#L-1-3 [2019-11-25 08:50:36,409 INFO L796 eck$LassoCheckResult]: Loop: 159#L-1-3 assume #t~loopctr9 < size;#t~loopctr9 := 4 + #t~loopctr9; 159#L-1-3 [2019-11-25 08:50:36,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:36,409 INFO L82 PathProgramCache]: Analyzing trace with hash 890905850, now seen corresponding path program 1 times [2019-11-25 08:50:36,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:36,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966247608] [2019-11-25 08:50:36,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:36,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966247608] [2019-11-25 08:50:36,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:36,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:50:36,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220822098] [2019-11-25 08:50:36,521 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:50:36,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:36,522 INFO L82 PathProgramCache]: Analyzing trace with hash 78, now seen corresponding path program 1 times [2019-11-25 08:50:36,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:36,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417971125] [2019-11-25 08:50:36,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:36,526 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:36,538 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:50:36,538 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:50:36,538 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:50:36,538 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:50:36,538 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:50:36,538 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:36,539 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:50:36,539 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:50:36,539 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2.1-1.i_Iteration2_Loop [2019-11-25 08:50:36,539 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:50:36,539 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:50:36,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:36,569 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:50:36,570 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:36,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:50:36,576 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:36,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:50:36,592 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:36,700 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:50:36,702 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:50:36,702 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:50:36,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:50:36,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:50:36,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:50:36,702 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:36,702 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:50:36,702 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:50:36,703 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2.1-1.i_Iteration2_Loop [2019-11-25 08:50:36,703 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:50:36,703 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:50:36,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:36,732 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:50:36,732 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:36,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:36,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:36,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:36,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:36,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:36,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:36,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:36,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:36,747 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:50:36,754 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-25 08:50:36,755 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e5159d3-ac98-4257-a767-9a3c2a6307e9/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) [2019-11-25 08:50:36,761 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:50:36,761 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:50:36,761 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:50:36,761 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr9) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr9 Supporting invariants [] [2019-11-25 08:50:36,763 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:36,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2019-11-25 08:50:36,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:36,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:50:36,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:36,823 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:50:36,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:36,826 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-25 08:50:36,826 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-25 08:50:36,833 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 3 states. [2019-11-25 08:50:36,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2019-11-25 08:50:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-25 08:50:36,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2019-11-25 08:50:36,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-25 08:50:36,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:36,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2019-11-25 08:50:36,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:36,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-25 08:50:36,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:36,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2019-11-25 08:50:36,836 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:50:36,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-25 08:50:36,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:50:36,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:50:36,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:50:36,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:50:36,837 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:36,837 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:36,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:36,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:36,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:36,841 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2019-11-25 08:50:36,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:36,845 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-25 08:50:36,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:50:36,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-25 08:50:36,845 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:50:36,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:50:36,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:50:36,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:50:36,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:50:36,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:50:36,846 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:36,846 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:36,846 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:36,847 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:50:36,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:50:36,847 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:50:36,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:50:36,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:50:36 BoogieIcfgContainer [2019-11-25 08:50:36,853 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:50:36,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:36,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:36,854 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:36,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:32" (3/4) ... [2019-11-25 08:50:36,859 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:50:36,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:36,861 INFO L168 Benchmark]: Toolchain (without parser) took 4875.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -117.9 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:36,861 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:36,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:36,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:36,867 INFO L168 Benchmark]: Boogie Preprocessor took 48.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:36,868 INFO L168 Benchmark]: RCFGBuilder took 385.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:36,869 INFO L168 Benchmark]: BuchiAutomizer took 4025.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:36,869 INFO L168 Benchmark]: Witness Printer took 5.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:36,878 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 385.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4025.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable size - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr7-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function unknown-size-unknown + -1 * aux-#t~loopctr9-aux and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital71 mio100 ax100 hnf100 lsp98 ukn86 mio100 lsp76 div100 bol100 ite100 ukn100 eq175 hnf88 smp100 dnf100 smp100 tf108 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...