./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtok_r.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_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i -s /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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 1697f909ede7c89de56057e54b84d7ae7cf0bcac 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:12:06,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:12:06,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:12:06,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:12:06,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:12:06,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:12:06,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:12:06,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:12:06,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:12:06,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:12:06,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:12:06,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:12:06,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:12:06,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:12:06,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:12:06,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:12:06,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:12:06,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:12:06,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:12:06,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:12:06,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:12:06,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:12:06,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:12:06,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:12:06,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:12:06,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:12:06,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:12:06,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:12:06,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:12:06,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:12:06,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:12:06,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:12:06,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:12:06,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:12:06,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:12:06,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:12:06,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:12:06,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:12:06,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:12:06,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:12:06,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:12:06,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:12:06,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:12:06,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:12:06,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:12:06,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:12:06,963 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:12:06,963 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:12:06,963 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:12:06,964 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:12:06,964 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:12:06,964 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:12:06,965 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:12:06,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:12:06,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:12:06,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:12:06,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:12:06,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:12:06,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:12:06,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:12:06,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:12:06,967 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:12:06,968 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:12:06,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:12:06,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:12:06,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:12:06,969 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:12:06,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:12:06,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:12:06,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:12:06,970 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:12:06,972 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:12:06,972 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_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1697f909ede7c89de56057e54b84d7ae7cf0bcac [2020-11-30 01:12:07,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:12:07,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:12:07,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:12:07,328 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:12:07,329 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:12:07,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/../../sv-benchmarks/c/termination-dietlibc/strtok_r.i [2020-11-30 01:12:07,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/data/c7a02d962/a967208d5b1a4fb39871d07aa7d3cecf/FLAG2878faae0 [2020-11-30 01:12:08,059 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:12:08,060 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/sv-benchmarks/c/termination-dietlibc/strtok_r.i [2020-11-30 01:12:08,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/data/c7a02d962/a967208d5b1a4fb39871d07aa7d3cecf/FLAG2878faae0 [2020-11-30 01:12:08,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/data/c7a02d962/a967208d5b1a4fb39871d07aa7d3cecf [2020-11-30 01:12:08,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:12:08,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:12:08,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:08,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:12:08,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:12:08,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:08" (1/1) ... [2020-11-30 01:12:08,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146e3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:08, skipping insertion in model container [2020-11-30 01:12:08,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:08" (1/1) ... [2020-11-30 01:12:08,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:12:08,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:12:08,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:08,911 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:12:08,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:09,041 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:12:09,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09 WrapperNode [2020-11-30 01:12:09,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:09,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:09,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:12:09,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:12:09,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... [2020-11-30 01:12:09,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... [2020-11-30 01:12:09,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:09,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:12:09,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:12:09,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:12:09,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... [2020-11-30 01:12:09,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... [2020-11-30 01:12:09,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... [2020-11-30 01:12:09,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... [2020-11-30 01:12:09,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... [2020-11-30 01:12:09,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... [2020-11-30 01:12:09,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... [2020-11-30 01:12:09,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:12:09,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:12:09,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:12:09,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:12:09,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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 [2020-11-30 01:12:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:12:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:12:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:12:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:12:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:12:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:12:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 01:12:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:12:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:12:09,865 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:12:09,865 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-30 01:12:09,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:09 BoogieIcfgContainer [2020-11-30 01:12:09,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:12:09,868 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:12:09,868 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:12:09,871 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:12:09,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:12:09,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:12:08" (1/3) ... [2020-11-30 01:12:09,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fee2d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:12:09, skipping insertion in model container [2020-11-30 01:12:09,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:12:09,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:09" (2/3) ... [2020-11-30 01:12:09,875 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fee2d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:12:09, skipping insertion in model container [2020-11-30 01:12:09,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:12:09,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:09" (3/3) ... [2020-11-30 01:12:09,877 INFO L373 chiAutomizerObserver]: Analyzing ICFG strtok_r.i [2020-11-30 01:12:09,931 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:12:09,932 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:12:09,932 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:12:09,932 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:12:09,932 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:12:09,932 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:12:09,932 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:12:09,932 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:12:09,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states. [2020-11-30 01:12:09,969 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2020-11-30 01:12:09,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:09,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:09,977 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:12:09,977 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:12:09,977 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:12:09,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states. [2020-11-30 01:12:09,981 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2020-11-30 01:12:09,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:09,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:09,982 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:12:09,982 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:12:09,991 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 7#L544true assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 3#L548true assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 9#L532true assume strtok_r_~s.base == 0 && strtok_r_~s.offset == 0;call strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset := read~$Pointer$(strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, 8);strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset; 12#L532-2true strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 20#L510-4true [2020-11-30 01:12:09,991 INFO L796 eck$LassoCheckResult]: Loop: 20#L510-4true call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 11#L510-1true assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 21#L511-6true assume !true; 22#L511-7true call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 25#L512true assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 16#L510-3true strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 20#L510-4true [2020-11-30 01:12:09,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:09,999 INFO L82 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 1 times [2020-11-30 01:12:10,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:10,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820317055] [2020-11-30 01:12:10,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:10,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:10,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820317055] [2020-11-30 01:12:10,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:12:10,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:12:10,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334409852] [2020-11-30 01:12:10,297 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:12:10,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:10,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1573281738, now seen corresponding path program 1 times [2020-11-30 01:12:10,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:10,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675995455] [2020-11-30 01:12:10,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:10,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675995455] [2020-11-30 01:12:10,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:12:10,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:12:10,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605483521] [2020-11-30 01:12:10,338 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 01:12:10,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:12:10,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:12:10,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:12:10,359 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-11-30 01:12:10,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:12:10,366 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2020-11-30 01:12:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:12:10,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 45 transitions. [2020-11-30 01:12:10,370 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2020-11-30 01:12:10,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 26 states and 32 transitions. [2020-11-30 01:12:10,375 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-11-30 01:12:10,375 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2020-11-30 01:12:10,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2020-11-30 01:12:10,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:12:10,376 INFO L691 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2020-11-30 01:12:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2020-11-30 01:12:10,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-11-30 01:12:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-30 01:12:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2020-11-30 01:12:10,406 INFO L714 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2020-11-30 01:12:10,407 INFO L594 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2020-11-30 01:12:10,407 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:12:10,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2020-11-30 01:12:10,408 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2020-11-30 01:12:10,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:10,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:10,409 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:12:10,410 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:10,410 INFO L794 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 86#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 85#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 78#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 79#L532 assume strtok_r_~s.base == 0 && strtok_r_~s.offset == 0;call strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset := read~$Pointer$(strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, 8);strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset; 87#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 92#L510-4 [2020-11-30 01:12:10,411 INFO L796 eck$LassoCheckResult]: Loop: 92#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 90#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 91#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 96#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 101#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 97#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 98#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 94#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 92#L510-4 [2020-11-30 01:12:10,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:10,412 INFO L82 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 2 times [2020-11-30 01:12:10,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:10,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371557075] [2020-11-30 01:12:10,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:10,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371557075] [2020-11-30 01:12:10,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:12:10,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:12:10,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184104881] [2020-11-30 01:12:10,504 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:12:10,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:10,505 INFO L82 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 1 times [2020-11-30 01:12:10,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:10,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336041520] [2020-11-30 01:12:10,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:10,522 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:10,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:10,570 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:10,794 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-11-30 01:12:10,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:12:10,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:12:10,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:12:10,872 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-11-30 01:12:10,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:12:10,905 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2020-11-30 01:12:10,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:12:10,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2020-11-30 01:12:10,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2020-11-30 01:12:10,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 31 transitions. [2020-11-30 01:12:10,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-11-30 01:12:10,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2020-11-30 01:12:10,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2020-11-30 01:12:10,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:12:10,910 INFO L691 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2020-11-30 01:12:10,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2020-11-30 01:12:10,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-11-30 01:12:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-30 01:12:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2020-11-30 01:12:10,913 INFO L714 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2020-11-30 01:12:10,914 INFO L594 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2020-11-30 01:12:10,914 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 01:12:10,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2020-11-30 01:12:10,915 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2020-11-30 01:12:10,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:10,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:10,916 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:12:10,916 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:10,916 INFO L794 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 147#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 146#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 139#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 140#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 148#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 153#L510-4 [2020-11-30 01:12:10,916 INFO L796 eck$LassoCheckResult]: Loop: 153#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 151#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 152#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 157#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 162#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 158#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 159#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 155#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 153#L510-4 [2020-11-30 01:12:10,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:10,917 INFO L82 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2020-11-30 01:12:10,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:10,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499398247] [2020-11-30 01:12:10,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:10,938 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:10,964 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:10,978 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:10,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:10,984 INFO L82 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 2 times [2020-11-30 01:12:10,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:10,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837860534] [2020-11-30 01:12:10,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:11,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:11,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:11,020 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:11,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:11,021 INFO L82 PathProgramCache]: Analyzing trace with hash -126923364, now seen corresponding path program 1 times [2020-11-30 01:12:11,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:11,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066275137] [2020-11-30 01:12:11,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:11,084 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:11,131 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:11,161 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:11,346 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-11-30 01:12:12,265 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 141 [2020-11-30 01:12:12,594 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-30 01:12:12,610 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:12:12,610 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:12:12,611 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:12:12,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:12:12,611 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:12:12,611 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:12,611 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:12:12,612 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:12:12,612 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration3_Lasso [2020-11-30 01:12:12,612 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:12:12,612 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:12:12,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:12,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,269 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-11-30 01:12:13,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:13,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:14,279 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:12:14,286 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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 [2020-11-30 01:12:14,296 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 [2020-11-30 01:12:14,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:14,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:14,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:14,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:14,334 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 [2020-11-30 01:12:14,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:14,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,337 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:12:14,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,341 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:12:14,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:14,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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 [2020-11-30 01:12:14,378 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 [2020-11-30 01:12:14,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:14,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:14,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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 [2020-11-30 01:12:14,419 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 [2020-11-30 01:12:14,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:14,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:14,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:14,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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 [2020-11-30 01:12:14,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:14,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:14,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:14,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:14,522 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 [2020-11-30 01:12:14,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:14,529 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 [2020-11-30 01:12:14,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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) [2020-11-30 01:12:14,588 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 [2020-11-30 01:12:14,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:14,595 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 [2020-11-30 01:12:14,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:14,659 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 [2020-11-30 01:12:14,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:14,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:14,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:14,737 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 [2020-11-30 01:12:14,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:14,745 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 [2020-11-30 01:12:14,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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) [2020-11-30 01:12:14,801 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 [2020-11-30 01:12:14,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:14,807 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 [2020-11-30 01:12:14,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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 [2020-11-30 01:12:14,863 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 [2020-11-30 01:12:14,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:14,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:14,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:14,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:14,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:14,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:14,906 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:12:15,149 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-30 01:12:15,149 INFO L444 ModelExtractionUtils]: 8 out of 31 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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) [2020-11-30 01:12:15,207 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 [2020-11-30 01:12:15,211 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:12:15,212 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:12:15,212 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc25.base)_1) = -1*ULTIMATE.start_strspn_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc25.base)_1 Supporting invariants [] [2020-11-30 01:12:15,323 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2020-11-30 01:12:15,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 01:12:15,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:15,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 01:12:15,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:15,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:15,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:15,641 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2020-11-30 01:12:15,642 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand 5 states. [2020-11-30 01:12:15,812 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7. Second operand 5 states. Result 46 states and 57 transitions. Complement of second has 6 states. [2020-11-30 01:12:15,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 01:12:15,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2020-11-30 01:12:15,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 8 letters. [2020-11-30 01:12:15,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:15,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 8 letters. [2020-11-30 01:12:15,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:15,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 16 letters. [2020-11-30 01:12:15,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:15,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 57 transitions. [2020-11-30 01:12:15,820 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2020-11-30 01:12:15,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 34 states and 42 transitions. [2020-11-30 01:12:15,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2020-11-30 01:12:15,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2020-11-30 01:12:15,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2020-11-30 01:12:15,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:15,821 INFO L691 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2020-11-30 01:12:15,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2020-11-30 01:12:15,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-11-30 01:12:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-30 01:12:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2020-11-30 01:12:15,824 INFO L714 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2020-11-30 01:12:15,824 INFO L594 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2020-11-30 01:12:15,824 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 01:12:15,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2020-11-30 01:12:15,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2020-11-30 01:12:15,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:15,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:15,825 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:15,825 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:12:15,825 INFO L794 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 341#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 340#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 333#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 334#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 342#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 349#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 345#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 346#L511-6 [2020-11-30 01:12:15,825 INFO L796 eck$LassoCheckResult]: Loop: 346#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 354#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 362#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 365#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 346#L511-6 [2020-11-30 01:12:15,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:15,826 INFO L82 PathProgramCache]: Analyzing trace with hash 179564655, now seen corresponding path program 1 times [2020-11-30 01:12:15,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:15,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513675676] [2020-11-30 01:12:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:15,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:15,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:15,908 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:15,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 1 times [2020-11-30 01:12:15,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:15,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864744228] [2020-11-30 01:12:15,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:15,916 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:15,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:15,923 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:15,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:15,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1251527276, now seen corresponding path program 1 times [2020-11-30 01:12:15,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:15,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912476157] [2020-11-30 01:12:15,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:15,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:15,965 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:15,972 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:16,096 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-11-30 01:12:17,185 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 174 DAG size of output: 153 [2020-11-30 01:12:17,481 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-30 01:12:17,485 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:12:17,485 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:12:17,485 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:12:17,485 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:12:17,485 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:12:17,486 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:17,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:12:17,486 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:12:17,486 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration4_Lasso [2020-11-30 01:12:17,486 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:12:17,486 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:12:17,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:17,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,271 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-11-30 01:12:18,428 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-11-30 01:12:18,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:18,704 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-11-30 01:12:18,926 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-30 01:12:19,395 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-30 01:12:19,493 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:12:19,493 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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 [2020-11-30 01:12:19,513 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 [2020-11-30 01:12:19,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,546 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 [2020-11-30 01:12:19,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:19,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/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) [2020-11-30 01:12:19,599 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:19,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:19,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,633 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 [2020-11-30 01:12:19,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,665 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 [2020-11-30 01:12:19,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,702 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 [2020-11-30 01:12:19,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,733 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 [2020-11-30 01:12:19,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,763 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 [2020-11-30 01:12:19,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:19,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,830 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 [2020-11-30 01:12:19,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:19,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:19,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,861 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 [2020-11-30 01:12:19,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:19,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:19,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,891 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 [2020-11-30 01:12:19,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,919 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 [2020-11-30 01:12:19,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:19,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:19,978 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 [2020-11-30 01:12:19,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:19,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:19,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:19,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:19,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:19,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:19,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:19,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:20,031 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 [2020-11-30 01:12:20,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:20,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:20,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:20,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:20,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:20,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:20,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:20,118 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 [2020-11-30 01:12:20,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:20,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:20,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:20,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:20,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:20,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:20,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:20,208 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 [2020-11-30 01:12:20,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:20,259 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 [2020-11-30 01:12:20,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:20,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:20,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:20,306 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 [2020-11-30 01:12:20,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,344 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 [2020-11-30 01:12:20,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,385 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 [2020-11-30 01:12:20,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:20,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:20,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:20,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,417 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 [2020-11-30 01:12:20,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:20,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,485 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 [2020-11-30 01:12:20,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,540 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 [2020-11-30 01:12:20,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,548 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,575 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 [2020-11-30 01:12:20,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:20,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,725 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 [2020-11-30 01:12:20,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:20,795 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 [2020-11-30 01:12:20,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:20,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:20,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:20,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:20,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:20,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:20,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:20,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:20,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:20,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:20,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:20,916 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:12:21,009 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2020-11-30 01:12:21,009 INFO L444 ModelExtractionUtils]: 42 out of 64 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:21,012 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 01:12:21,015 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:12:21,015 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:12:21,015 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~a~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_2) = -1*ULTIMATE.start_strspn_~a~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_2 Supporting invariants [] [2020-11-30 01:12:21,144 INFO L297 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2020-11-30 01:12:21,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 01:12:21,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:21,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 01:12:21,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:21,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:21,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:21,277 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2020-11-30 01:12:21,277 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11 Second operand 5 states. [2020-11-30 01:12:21,408 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11. Second operand 5 states. Result 100 states and 123 transitions. Complement of second has 7 states. [2020-11-30 01:12:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 01:12:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-11-30 01:12:21,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 4 letters. [2020-11-30 01:12:21,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:21,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 12 letters. Loop has 4 letters. [2020-11-30 01:12:21,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:21,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 8 letters. [2020-11-30 01:12:21,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:21,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 123 transitions. [2020-11-30 01:12:21,414 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 28 [2020-11-30 01:12:21,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 79 states and 99 transitions. [2020-11-30 01:12:21,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2020-11-30 01:12:21,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2020-11-30 01:12:21,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 99 transitions. [2020-11-30 01:12:21,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:21,418 INFO L691 BuchiCegarLoop]: Abstraction has 79 states and 99 transitions. [2020-11-30 01:12:21,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 99 transitions. [2020-11-30 01:12:21,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 49. [2020-11-30 01:12:21,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-30 01:12:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2020-11-30 01:12:21,424 INFO L714 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2020-11-30 01:12:21,424 INFO L594 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2020-11-30 01:12:21,424 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-30 01:12:21,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 65 transitions. [2020-11-30 01:12:21,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2020-11-30 01:12:21,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:21,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:21,427 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:21,427 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:12:21,428 INFO L794 eck$LassoCheckResult]: Stem: 659#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 633#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 631#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 624#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 625#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 632#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 640#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 636#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 626#L510-5 strspn_#res := strspn_~l~0; 627#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 644#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 635#L523-4 [2020-11-30 01:12:21,428 INFO L796 eck$LassoCheckResult]: Loop: 635#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 641#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 655#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 628#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 629#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 634#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 635#L523-4 [2020-11-30 01:12:21,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:21,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2118613646, now seen corresponding path program 1 times [2020-11-30 01:12:21,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:21,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372228503] [2020-11-30 01:12:21,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:21,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372228503] [2020-11-30 01:12:21,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:12:21,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-30 01:12:21,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301371365] [2020-11-30 01:12:21,624 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:12:21,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:21,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 1 times [2020-11-30 01:12:21,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:21,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685269945] [2020-11-30 01:12:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:21,630 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:21,638 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:21,642 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:21,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:12:21,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 01:12:21,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:12:21,728 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. cyclomatic complexity: 21 Second operand 9 states. [2020-11-30 01:12:21,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:12:21,943 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2020-11-30 01:12:21,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:12:21,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2020-11-30 01:12:21,946 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2020-11-30 01:12:21,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 55 states and 70 transitions. [2020-11-30 01:12:21,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2020-11-30 01:12:21,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2020-11-30 01:12:21,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 70 transitions. [2020-11-30 01:12:21,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:21,948 INFO L691 BuchiCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-11-30 01:12:21,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 70 transitions. [2020-11-30 01:12:21,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2020-11-30 01:12:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-30 01:12:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2020-11-30 01:12:21,953 INFO L714 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2020-11-30 01:12:21,953 INFO L594 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2020-11-30 01:12:21,953 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-30 01:12:21,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 64 transitions. [2020-11-30 01:12:21,954 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2020-11-30 01:12:21,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:21,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:21,955 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:21,955 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:12:21,956 INFO L794 eck$LassoCheckResult]: Stem: 789#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 763#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 762#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 755#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 756#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 764#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 771#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 776#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 800#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 787#L511-1 assume !strspn_#t~short7; 788#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 782#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 783#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 773#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 774#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 767#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 768#L511-6 [2020-11-30 01:12:21,956 INFO L796 eck$LassoCheckResult]: Loop: 768#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 778#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 786#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 791#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 768#L511-6 [2020-11-30 01:12:21,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:21,956 INFO L82 PathProgramCache]: Analyzing trace with hash 60739587, now seen corresponding path program 1 times [2020-11-30 01:12:21,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:21,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984883565] [2020-11-30 01:12:21,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:22,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984883565] [2020-11-30 01:12:22,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:12:22,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:12:22,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435755375] [2020-11-30 01:12:22,074 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:12:22,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:22,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 2 times [2020-11-30 01:12:22,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:22,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130669910] [2020-11-30 01:12:22,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:22,080 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:22,098 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:22,100 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:22,217 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-11-30 01:12:22,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:12:22,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:12:22,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:12:22,256 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. cyclomatic complexity: 20 Second operand 5 states. [2020-11-30 01:12:22,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:12:22,334 INFO L93 Difference]: Finished difference Result 74 states and 91 transitions. [2020-11-30 01:12:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:12:22,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 91 transitions. [2020-11-30 01:12:22,337 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2020-11-30 01:12:22,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 71 states and 87 transitions. [2020-11-30 01:12:22,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2020-11-30 01:12:22,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2020-11-30 01:12:22,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 87 transitions. [2020-11-30 01:12:22,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:22,339 INFO L691 BuchiCegarLoop]: Abstraction has 71 states and 87 transitions. [2020-11-30 01:12:22,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 87 transitions. [2020-11-30 01:12:22,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 50. [2020-11-30 01:12:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-11-30 01:12:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-11-30 01:12:22,344 INFO L714 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-11-30 01:12:22,344 INFO L594 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-11-30 01:12:22,345 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-30 01:12:22,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 64 transitions. [2020-11-30 01:12:22,352 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2020-11-30 01:12:22,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:22,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:22,353 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:22,353 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:12:22,353 INFO L794 eck$LassoCheckResult]: Stem: 924#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 896#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 895#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 888#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 889#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 897#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 904#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 900#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 901#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 929#L511-1 assume !strspn_#t~short7; 925#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 915#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 916#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 890#L510-5 strspn_#res := strspn_~l~0; 891#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 908#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 899#L523-4 [2020-11-30 01:12:22,353 INFO L796 eck$LassoCheckResult]: Loop: 899#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 905#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 920#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 892#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 893#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 898#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 899#L523-4 [2020-11-30 01:12:22,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:22,353 INFO L82 PathProgramCache]: Analyzing trace with hash 60685095, now seen corresponding path program 1 times [2020-11-30 01:12:22,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:22,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048553459] [2020-11-30 01:12:22,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:22,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:22,440 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:22,453 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:22,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:22,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 2 times [2020-11-30 01:12:22,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:22,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628716285] [2020-11-30 01:12:22,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:22,459 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:22,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:22,465 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:22,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:22,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1593745617, now seen corresponding path program 1 times [2020-11-30 01:12:22,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:22,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475909102] [2020-11-30 01:12:22,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:22,504 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:22,541 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:22,563 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:24,156 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 237 DAG size of output: 198 [2020-11-30 01:12:24,649 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-11-30 01:12:24,652 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:12:24,652 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:12:24,652 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:12:24,653 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:12:24,653 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:12:24,653 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:24,653 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:12:24,653 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:12:24,653 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration7_Lasso [2020-11-30 01:12:24,653 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:12:24,653 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:12:24,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:24,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,739 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2020-11-30 01:12:25,904 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-11-30 01:12:25,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:25,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:26,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:26,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:26,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:26,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:26,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:26,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:26,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:26,273 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-30 01:12:26,569 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-30 01:12:26,943 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-30 01:12:27,283 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-30 01:12:27,480 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:12:27,480 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:27,487 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 [2020-11-30 01:12:27,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:27,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:27,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:27,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:27,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:27,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:27,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:27,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:27,516 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 [2020-11-30 01:12:27,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:27,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:27,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:27,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:27,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:27,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:27,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:27,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:27,545 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 [2020-11-30 01:12:27,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:27,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:27,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:27,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:27,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:27,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:27,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:27,580 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 [2020-11-30 01:12:27,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:27,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:27,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:27,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:27,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:27,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:27,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:27,653 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 [2020-11-30 01:12:27,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:27,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:27,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:27,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:27,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:27,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:27,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:27,701 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 [2020-11-30 01:12:27,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:27,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:27,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:27,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:27,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:27,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:27,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:27,787 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 [2020-11-30 01:12:27,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:27,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:27,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:27,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:27,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:27,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:27,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:27,817 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 [2020-11-30 01:12:27,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:27,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:27,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:27,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:27,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:27,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:27,905 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:12:28,021 INFO L443 ModelExtractionUtils]: Simplification made 38 calls to the SMT solver. [2020-11-30 01:12:28,021 INFO L444 ModelExtractionUtils]: 59 out of 91 variables were initially zero. Simplification set additionally 29 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:28,026 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 01:12:28,028 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:12:28,028 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:12:28,028 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~in~0.base)_2, ULTIMATE.start_strcspn_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_~in~0.base)_2 - 1*ULTIMATE.start_strcspn_~s.offset Supporting invariants [] [2020-11-30 01:12:28,205 INFO L297 tatePredicateManager]: 33 out of 34 supporting invariants were superfluous and have been removed [2020-11-30 01:12:28,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 01:12:28,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:28,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 01:12:28,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:28,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:28,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:28,352 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-30 01:12:28,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand 4 states. [2020-11-30 01:12:28,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand 4 states. Result 58 states and 74 transitions. Complement of second has 5 states. [2020-11-30 01:12:28,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 01:12:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-11-30 01:12:28,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 16 letters. Loop has 6 letters. [2020-11-30 01:12:28,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:28,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 22 letters. Loop has 6 letters. [2020-11-30 01:12:28,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:28,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 16 letters. Loop has 12 letters. [2020-11-30 01:12:28,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:28,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 74 transitions. [2020-11-30 01:12:28,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-11-30 01:12:28,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 56 states and 72 transitions. [2020-11-30 01:12:28,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-11-30 01:12:28,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2020-11-30 01:12:28,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 72 transitions. [2020-11-30 01:12:28,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:28,435 INFO L691 BuchiCegarLoop]: Abstraction has 56 states and 72 transitions. [2020-11-30 01:12:28,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 72 transitions. [2020-11-30 01:12:28,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-11-30 01:12:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-30 01:12:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 72 transitions. [2020-11-30 01:12:28,440 INFO L714 BuchiCegarLoop]: Abstraction has 56 states and 72 transitions. [2020-11-30 01:12:28,440 INFO L594 BuchiCegarLoop]: Abstraction has 56 states and 72 transitions. [2020-11-30 01:12:28,440 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-30 01:12:28,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 72 transitions. [2020-11-30 01:12:28,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-11-30 01:12:28,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:28,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:28,442 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:28,442 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:12:28,442 INFO L794 eck$LassoCheckResult]: Stem: 1268#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1236#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 1235#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 1226#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 1227#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 1237#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 1244#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 1242#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 1243#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 1255#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 1273#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 1259#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 1260#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 1248#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 1249#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 1252#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 1253#L511-6 [2020-11-30 01:12:28,442 INFO L796 eck$LassoCheckResult]: Loop: 1253#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 1254#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 1274#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 1271#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 1253#L511-6 [2020-11-30 01:12:28,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1714267775, now seen corresponding path program 2 times [2020-11-30 01:12:28,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:28,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045673134] [2020-11-30 01:12:28,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:28,462 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:28,476 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:28,483 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:28,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:28,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 3 times [2020-11-30 01:12:28,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:28,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531122554] [2020-11-30 01:12:28,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:28,488 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:28,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:28,493 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:28,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:28,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1311163814, now seen corresponding path program 1 times [2020-11-30 01:12:28,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:28,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239734020] [2020-11-30 01:12:28,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:28,511 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:28,536 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:28,549 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:28,659 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-11-30 01:12:29,865 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 229 DAG size of output: 184 [2020-11-30 01:12:30,214 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-11-30 01:12:30,217 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:12:30,217 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:12:30,217 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:12:30,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:12:30,217 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:12:30,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:30,217 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:12:30,217 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:12:30,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration8_Lasso [2020-11-30 01:12:30,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:12:30,218 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:12:30,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:30,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:30,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:30,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:30,994 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2020-11-30 01:12:31,136 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-11-30 01:12:31,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:31,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:32,171 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:12:32,171 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,185 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 [2020-11-30 01:12:32,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:32,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:32,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:32,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:32,213 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:32,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:32,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:32,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,241 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 [2020-11-30 01:12:32,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:32,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:32,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:32,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,269 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 [2020-11-30 01:12:32,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:32,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:32,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,306 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 [2020-11-30 01:12:32,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:32,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:32,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,342 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 [2020-11-30 01:12:32,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:32,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:32,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,373 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 [2020-11-30 01:12:32,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:32,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:32,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:32,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,401 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 [2020-11-30 01:12:32,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:32,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:32,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,437 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 [2020-11-30 01:12:32,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:32,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:32,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:32,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:32,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:32,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,517 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 [2020-11-30 01:12:32,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:32,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:32,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:32,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:32,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:32,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:32,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:32,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:32,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:32,598 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:12:32,666 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2020-11-30 01:12:32,666 INFO L444 ModelExtractionUtils]: 11 out of 52 variables were initially zero. Simplification set additionally 38 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:32,669 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 01:12:32,671 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:12:32,671 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:12:32,671 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~a~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_4) = -1*ULTIMATE.start_strspn_~a~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_4 Supporting invariants [] [2020-11-30 01:12:32,824 INFO L297 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2020-11-30 01:12:32,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 01:12:32,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:32,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 01:12:32,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:32,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:32,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:32,956 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2020-11-30 01:12:32,957 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 72 transitions. cyclomatic complexity: 22 Second operand 5 states. [2020-11-30 01:12:33,041 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 72 transitions. cyclomatic complexity: 22. Second operand 5 states. Result 116 states and 147 transitions. Complement of second has 7 states. [2020-11-30 01:12:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 01:12:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2020-11-30 01:12:33,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2020-11-30 01:12:33,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:33,047 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-30 01:12:33,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:33,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 01:12:33,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:33,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:33,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:33,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:33,205 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2020-11-30 01:12:33,205 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 72 transitions. cyclomatic complexity: 22 Second operand 5 states. [2020-11-30 01:12:33,346 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 72 transitions. cyclomatic complexity: 22. Second operand 5 states. Result 116 states and 147 transitions. Complement of second has 7 states. [2020-11-30 01:12:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 01:12:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2020-11-30 01:12:33,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2020-11-30 01:12:33,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:33,351 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-30 01:12:33,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:33,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 01:12:33,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:33,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:33,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:33,516 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2020-11-30 01:12:33,516 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 72 transitions. cyclomatic complexity: 22 Second operand 5 states. [2020-11-30 01:12:33,610 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 72 transitions. cyclomatic complexity: 22. Second operand 5 states. Result 99 states and 130 transitions. Complement of second has 6 states. [2020-11-30 01:12:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 01:12:33,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2020-11-30 01:12:33,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 4 letters. [2020-11-30 01:12:33,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:33,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 20 letters. Loop has 4 letters. [2020-11-30 01:12:33,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:33,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 8 letters. [2020-11-30 01:12:33,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:33,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 130 transitions. [2020-11-30 01:12:33,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:33,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 61 states and 79 transitions. [2020-11-30 01:12:33,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2020-11-30 01:12:33,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2020-11-30 01:12:33,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 79 transitions. [2020-11-30 01:12:33,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:33,620 INFO L691 BuchiCegarLoop]: Abstraction has 61 states and 79 transitions. [2020-11-30 01:12:33,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 79 transitions. [2020-11-30 01:12:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 46. [2020-11-30 01:12:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-30 01:12:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2020-11-30 01:12:33,624 INFO L714 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2020-11-30 01:12:33,624 INFO L594 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2020-11-30 01:12:33,624 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-11-30 01:12:33,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 58 transitions. [2020-11-30 01:12:33,625 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:33,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:33,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:33,626 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:33,626 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:12:33,626 INFO L794 eck$LassoCheckResult]: Stem: 2035#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2005#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2004#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 1995#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 1996#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2006#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2013#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2009#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2010#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2022#L511-1 assume !strspn_#t~short7; 2033#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2025#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2026#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 1997#L510-5 strspn_#res := strspn_~l~0; 1998#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2019#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2014#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2016#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2031#L524-4 [2020-11-30 01:12:33,626 INFO L796 eck$LassoCheckResult]: Loop: 2031#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1999#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2000#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem14;havoc strcspn_#t~mem13; 2029#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2031#L524-4 [2020-11-30 01:12:33,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:33,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1811163636, now seen corresponding path program 1 times [2020-11-30 01:12:33,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:33,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948515726] [2020-11-30 01:12:33,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:33,662 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:33,722 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:33,728 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:33,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:33,732 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 1 times [2020-11-30 01:12:33,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:33,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132496607] [2020-11-30 01:12:33,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:33,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:33,740 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:33,743 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:33,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:33,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1593747347, now seen corresponding path program 1 times [2020-11-30 01:12:33,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:33,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899168962] [2020-11-30 01:12:33,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:34,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899168962] [2020-11-30 01:12:34,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:12:34,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-30 01:12:34,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032922039] [2020-11-30 01:12:34,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:12:34,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 01:12:34,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:12:34,094 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. cyclomatic complexity: 16 Second operand 10 states. [2020-11-30 01:12:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:12:34,387 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2020-11-30 01:12:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 01:12:34,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 119 transitions. [2020-11-30 01:12:34,390 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-11-30 01:12:34,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 78 states and 97 transitions. [2020-11-30 01:12:34,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2020-11-30 01:12:34,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2020-11-30 01:12:34,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 97 transitions. [2020-11-30 01:12:34,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:34,392 INFO L691 BuchiCegarLoop]: Abstraction has 78 states and 97 transitions. [2020-11-30 01:12:34,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 97 transitions. [2020-11-30 01:12:34,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 46. [2020-11-30 01:12:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-30 01:12:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2020-11-30 01:12:34,405 INFO L714 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2020-11-30 01:12:34,405 INFO L594 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2020-11-30 01:12:34,405 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-11-30 01:12:34,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 57 transitions. [2020-11-30 01:12:34,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:34,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:34,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:34,407 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:34,409 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:12:34,409 INFO L794 eck$LassoCheckResult]: Stem: 2205#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2175#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2174#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2165#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2166#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2176#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2183#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2181#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2182#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2193#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2210#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2196#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2197#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 2187#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 2188#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2190#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 2167#L510-5 strspn_#res := strspn_~l~0; 2168#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2189#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2184#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2185#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2200#L524-4 [2020-11-30 01:12:34,410 INFO L796 eck$LassoCheckResult]: Loop: 2200#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2169#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2170#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem14;havoc strcspn_#t~mem13; 2198#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2200#L524-4 [2020-11-30 01:12:34,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:34,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1960799173, now seen corresponding path program 1 times [2020-11-30 01:12:34,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:34,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132210749] [2020-11-30 01:12:34,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:34,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132210749] [2020-11-30 01:12:34,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127346570] [2020-11-30 01:12:34,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:12:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:34,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 47 conjunts are in the unsatisfiable core [2020-11-30 01:12:34,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:34,926 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2020-11-30 01:12:34,927 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:12:34,940 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:12:34,942 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:12:34,942 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2020-11-30 01:12:35,154 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-11-30 01:12:35,163 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:12:35,177 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:12:35,178 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:12:35,178 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:26 [2020-11-30 01:12:35,457 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 01:12:35,460 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:12:35,461 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2020-11-30 01:12:35,461 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:12:35,468 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:12:35,470 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:12:35,470 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2020-11-30 01:12:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:35,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:12:35,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 20 [2020-11-30 01:12:35,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516491598] [2020-11-30 01:12:35,508 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:12:35,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:35,508 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 2 times [2020-11-30 01:12:35,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:35,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694132459] [2020-11-30 01:12:35,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:35,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:35,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:35,522 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:35,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:12:35,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-30 01:12:35,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-11-30 01:12:35,608 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. cyclomatic complexity: 15 Second operand 20 states. [2020-11-30 01:12:36,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:12:36,348 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2020-11-30 01:12:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 01:12:36,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 114 transitions. [2020-11-30 01:12:36,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:36,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 89 states and 111 transitions. [2020-11-30 01:12:36,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2020-11-30 01:12:36,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2020-11-30 01:12:36,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 111 transitions. [2020-11-30 01:12:36,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:36,353 INFO L691 BuchiCegarLoop]: Abstraction has 89 states and 111 transitions. [2020-11-30 01:12:36,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 111 transitions. [2020-11-30 01:12:36,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 57. [2020-11-30 01:12:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-30 01:12:36,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2020-11-30 01:12:36,360 INFO L714 BuchiCegarLoop]: Abstraction has 57 states and 71 transitions. [2020-11-30 01:12:36,360 INFO L594 BuchiCegarLoop]: Abstraction has 57 states and 71 transitions. [2020-11-30 01:12:36,361 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-11-30 01:12:36,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 71 transitions. [2020-11-30 01:12:36,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:36,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:36,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:36,362 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:36,362 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:12:36,362 INFO L794 eck$LassoCheckResult]: Stem: 2444#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2412#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2411#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2402#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2403#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2413#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2420#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2416#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2417#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2429#L511-1 assume !strspn_#t~short7; 2443#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2445#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2430#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2431#L511-1 assume !strspn_#t~short7; 2442#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2432#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2433#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2404#L510-5 strspn_#res := strspn_~l~0; 2405#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2426#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2421#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2422#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2440#L524-4 [2020-11-30 01:12:36,363 INFO L796 eck$LassoCheckResult]: Loop: 2440#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2406#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2407#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem14;havoc strcspn_#t~mem13; 2436#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2440#L524-4 [2020-11-30 01:12:36,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:36,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1052721677, now seen corresponding path program 1 times [2020-11-30 01:12:36,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:36,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830597655] [2020-11-30 01:12:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:36,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830597655] [2020-11-30 01:12:36,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:12:36,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:12:36,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935421282] [2020-11-30 01:12:36,394 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:12:36,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:36,394 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 3 times [2020-11-30 01:12:36,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:36,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491895558] [2020-11-30 01:12:36,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:36,398 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:36,400 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:36,402 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:36,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:12:36,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:12:36,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:12:36,488 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. cyclomatic complexity: 19 Second operand 3 states. [2020-11-30 01:12:36,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:12:36,498 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2020-11-30 01:12:36,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:12:36,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 72 transitions. [2020-11-30 01:12:36,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:36,500 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 58 states and 69 transitions. [2020-11-30 01:12:36,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2020-11-30 01:12:36,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2020-11-30 01:12:36,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 69 transitions. [2020-11-30 01:12:36,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:36,500 INFO L691 BuchiCegarLoop]: Abstraction has 58 states and 69 transitions. [2020-11-30 01:12:36,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 69 transitions. [2020-11-30 01:12:36,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2020-11-30 01:12:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-30 01:12:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2020-11-30 01:12:36,503 INFO L714 BuchiCegarLoop]: Abstraction has 57 states and 68 transitions. [2020-11-30 01:12:36,503 INFO L594 BuchiCegarLoop]: Abstraction has 57 states and 68 transitions. [2020-11-30 01:12:36,503 INFO L427 BuchiCegarLoop]: ======== Iteration 12============ [2020-11-30 01:12:36,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 68 transitions. [2020-11-30 01:12:36,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:36,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:36,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:36,504 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:36,504 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:12:36,505 INFO L794 eck$LassoCheckResult]: Stem: 2568#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2536#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2535#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2526#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2527#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2537#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2544#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2540#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2541#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2553#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2574#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2573#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2572#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2565#L511-1 assume !strspn_#t~short7; 2566#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2556#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2557#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2528#L510-5 strspn_#res := strspn_~l~0; 2529#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2550#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2545#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2546#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2563#L524-4 [2020-11-30 01:12:36,505 INFO L796 eck$LassoCheckResult]: Loop: 2563#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2530#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2531#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem14;havoc strcspn_#t~mem13; 2560#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2563#L524-4 [2020-11-30 01:12:36,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:36,505 INFO L82 PathProgramCache]: Analyzing trace with hash -465915663, now seen corresponding path program 1 times [2020-11-30 01:12:36,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:36,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813052875] [2020-11-30 01:12:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:36,535 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:36,559 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:36,565 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:36,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:36,567 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 4 times [2020-11-30 01:12:36,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:36,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123293102] [2020-11-30 01:12:36,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:36,572 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:36,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:36,577 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:36,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:36,578 INFO L82 PathProgramCache]: Analyzing trace with hash -187987976, now seen corresponding path program 1 times [2020-11-30 01:12:36,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:36,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102692174] [2020-11-30 01:12:36,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:36,606 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:36,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:36,643 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:38,582 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 283 DAG size of output: 221 [2020-11-30 01:12:39,035 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-11-30 01:12:39,043 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:12:39,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:12:39,043 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:12:39,043 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:12:39,043 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:12:39,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:39,043 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:12:39,043 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:12:39,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration12_Lasso [2020-11-30 01:12:39,044 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:12:39,044 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:12:39,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:39,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:40,415 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 153 [2020-11-30 01:12:40,670 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2020-11-30 01:12:40,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:40,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:40,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:41,076 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-30 01:12:41,353 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-30 01:12:41,737 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-30 01:12:42,037 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-11-30 01:12:42,293 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-30 01:12:42,368 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:12:42,369 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,371 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 [2020-11-30 01:12:42,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,398 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 [2020-11-30 01:12:42,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,428 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 [2020-11-30 01:12:42,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,456 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 [2020-11-30 01:12:42,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,494 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 [2020-11-30 01:12:42,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,521 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 [2020-11-30 01:12:42,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,547 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 [2020-11-30 01:12:42,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,574 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 [2020-11-30 01:12:42,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,598 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 [2020-11-30 01:12:42,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,625 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 [2020-11-30 01:12:42,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,654 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 [2020-11-30 01:12:42,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,681 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 [2020-11-30 01:12:42,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,710 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 [2020-11-30 01:12:42,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,737 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 [2020-11-30 01:12:42,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,764 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 [2020-11-30 01:12:42,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,794 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 [2020-11-30 01:12:42,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:42,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:42,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,827 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 [2020-11-30 01:12:42,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:42,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:42,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,859 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 [2020-11-30 01:12:42,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,888 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 [2020-11-30 01:12:42,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,914 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 [2020-11-30 01:12:42,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,939 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 [2020-11-30 01:12:42,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:42,942 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:42,965 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 [2020-11-30 01:12:42,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:42,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:42,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:42,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:42,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:42,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:42,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:42,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:43,010 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 [2020-11-30 01:12:43,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,038 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 [2020-11-30 01:12:43,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,068 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 [2020-11-30 01:12:43,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,095 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 [2020-11-30 01:12:43,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,121 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 [2020-11-30 01:12:43,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,148 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 [2020-11-30 01:12:43,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,173 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 [2020-11-30 01:12:43,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,197 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 [2020-11-30 01:12:43,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,225 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 [2020-11-30 01:12:43,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,251 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 [2020-11-30 01:12:43,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,278 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 [2020-11-30 01:12:43,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,305 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 [2020-11-30 01:12:43,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,332 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 [2020-11-30 01:12:43,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:43,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:43,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,367 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 [2020-11-30 01:12:43,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:43,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:43,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:43,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,392 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 [2020-11-30 01:12:43,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:43,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:43,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:43,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:43,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:43,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:43,452 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:12:43,637 INFO L443 ModelExtractionUtils]: Simplification made 38 calls to the SMT solver. [2020-11-30 01:12:43,637 INFO L444 ModelExtractionUtils]: 51 out of 85 variables were initially zero. Simplification set additionally 30 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:43,641 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:43,647 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-30 01:12:43,647 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:12:43,647 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_5) = -1*ULTIMATE.start_strcspn_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_5 Supporting invariants [1*ULTIMATE.start_strcspn_~reject.offset >= 0] [2020-11-30 01:12:43,982 INFO L297 tatePredicateManager]: 53 out of 55 supporting invariants were superfluous and have been removed [2020-11-30 01:12:43,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 01:12:44,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:44,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-30 01:12:44,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:44,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:12:44,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:44,158 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2020-11-30 01:12:44,158 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 68 transitions. cyclomatic complexity: 16 Second operand 5 states. [2020-11-30 01:12:44,245 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 68 transitions. cyclomatic complexity: 16. Second operand 5 states. Result 84 states and 98 transitions. Complement of second has 7 states. [2020-11-30 01:12:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:44,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 01:12:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2020-11-30 01:12:44,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 22 letters. Loop has 4 letters. [2020-11-30 01:12:44,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:44,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 26 letters. Loop has 4 letters. [2020-11-30 01:12:44,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:44,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 22 letters. Loop has 8 letters. [2020-11-30 01:12:44,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:44,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 98 transitions. [2020-11-30 01:12:44,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:44,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 68 states and 80 transitions. [2020-11-30 01:12:44,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2020-11-30 01:12:44,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2020-11-30 01:12:44,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 80 transitions. [2020-11-30 01:12:44,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:44,249 INFO L691 BuchiCegarLoop]: Abstraction has 68 states and 80 transitions. [2020-11-30 01:12:44,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 80 transitions. [2020-11-30 01:12:44,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 63. [2020-11-30 01:12:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-11-30 01:12:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2020-11-30 01:12:44,252 INFO L714 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2020-11-30 01:12:44,252 INFO L594 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2020-11-30 01:12:44,252 INFO L427 BuchiCegarLoop]: ======== Iteration 13============ [2020-11-30 01:12:44,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 74 transitions. [2020-11-30 01:12:44,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:44,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:44,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:44,253 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:44,253 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:12:44,259 INFO L794 eck$LassoCheckResult]: Stem: 3043#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3006#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 3005#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2997#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2998#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 3007#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 3014#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 3010#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 3011#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3025#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 3049#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3048#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 3047#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3039#L511-1 assume !strspn_#t~short7; 3040#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3029#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 3030#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2999#L510-5 strspn_#res := strspn_~l~0; 3000#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 3021#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 3015#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3016#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3056#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3050#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 3045#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 3008#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 3009#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3017#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3037#L524-4 [2020-11-30 01:12:44,260 INFO L796 eck$LassoCheckResult]: Loop: 3037#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3001#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3002#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem14;havoc strcspn_#t~mem13; 3033#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 3037#L524-4 [2020-11-30 01:12:44,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:44,261 INFO L82 PathProgramCache]: Analyzing trace with hash -269478821, now seen corresponding path program 1 times [2020-11-30 01:12:44,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:44,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671203997] [2020-11-30 01:12:44,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:12:44,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671203997] [2020-11-30 01:12:44,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549438336] [2020-11-30 01:12:44,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 109 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:12:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:44,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 41 conjunts are in the unsatisfiable core [2020-11-30 01:12:44,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:44,619 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:12:44,776 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2020-11-30 01:12:44,777 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:12:44,779 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:12:44,779 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:12:44,779 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2020-11-30 01:12:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:44,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:12:44,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2020-11-30 01:12:44,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113423742] [2020-11-30 01:12:44,783 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:12:44,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:44,784 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 5 times [2020-11-30 01:12:44,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:44,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136879484] [2020-11-30 01:12:44,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:44,787 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:44,789 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:44,790 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:44,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:12:44,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-30 01:12:44,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-11-30 01:12:44,851 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. cyclomatic complexity: 17 Second operand 15 states. [2020-11-30 01:12:45,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:12:45,686 INFO L93 Difference]: Finished difference Result 141 states and 160 transitions. [2020-11-30 01:12:45,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-30 01:12:45,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 160 transitions. [2020-11-30 01:12:45,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-11-30 01:12:45,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 139 states and 158 transitions. [2020-11-30 01:12:45,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2020-11-30 01:12:45,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2020-11-30 01:12:45,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 158 transitions. [2020-11-30 01:12:45,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 01:12:45,691 INFO L691 BuchiCegarLoop]: Abstraction has 139 states and 158 transitions. [2020-11-30 01:12:45,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 158 transitions. [2020-11-30 01:12:45,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 66. [2020-11-30 01:12:45,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-30 01:12:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2020-11-30 01:12:45,695 INFO L714 BuchiCegarLoop]: Abstraction has 66 states and 77 transitions. [2020-11-30 01:12:45,696 INFO L594 BuchiCegarLoop]: Abstraction has 66 states and 77 transitions. [2020-11-30 01:12:45,696 INFO L427 BuchiCegarLoop]: ======== Iteration 14============ [2020-11-30 01:12:45,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 77 transitions. [2020-11-30 01:12:45,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:12:45,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:12:45,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:12:45,698 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:12:45,698 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 01:12:45,698 INFO L794 eck$LassoCheckResult]: Stem: 3363#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3331#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 3330#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 3322#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 3323#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 3332#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 3339#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 3335#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 3336#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3348#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 3368#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3367#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 3366#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3360#L511-1 assume !strspn_#t~short7; 3361#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3351#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 3352#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 3324#L510-5 strspn_#res := strspn_~l~0; 3325#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 3346#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 3340#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3341#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3358#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3328#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3329#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem14;havoc strcspn_#t~mem13; 3356#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 3359#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3369#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 3364#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 3333#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 3334#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3342#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3357#L524-4 [2020-11-30 01:12:45,698 INFO L796 eck$LassoCheckResult]: Loop: 3357#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3326#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3327#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem14;havoc strcspn_#t~mem13; 3355#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 3357#L524-4 [2020-11-30 01:12:45,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:45,699 INFO L82 PathProgramCache]: Analyzing trace with hash 579815970, now seen corresponding path program 1 times [2020-11-30 01:12:45,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:45,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987869113] [2020-11-30 01:12:45,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:45,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:45,737 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:45,745 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:45,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:45,746 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 6 times [2020-11-30 01:12:45,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:45,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328629230] [2020-11-30 01:12:45,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:45,750 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:45,752 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:45,754 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:45,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:45,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1474175145, now seen corresponding path program 2 times [2020-11-30 01:12:45,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:12:45,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758387214] [2020-11-30 01:12:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:12:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:45,773 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:12:45,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:12:45,800 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:12:48,417 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 334 DAG size of output: 255 [2020-11-30 01:12:48,906 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-11-30 01:12:48,909 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:12:48,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:12:48,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:12:48,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:12:48,909 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:12:48,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:48,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:12:48,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:12:48,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration14_Lasso [2020-11-30 01:12:48,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:12:48,909 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:12:48,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:48,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:49,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:49,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:49,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:49,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,324 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 158 [2020-11-30 01:12:50,491 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-11-30 01:12:50,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:12:50,835 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-30 01:12:51,203 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-30 01:12:51,676 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-30 01:12:52,149 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-11-30 01:12:52,506 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-30 01:12:52,646 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:12:52,646 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:52,659 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 [2020-11-30 01:12:52,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 111 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 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,691 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 [2020-11-30 01:12:52,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:52,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 112 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,719 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 [2020-11-30 01:12:52,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:52,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:52,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 113 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 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,752 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 [2020-11-30 01:12:52,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:52,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 114 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,781 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 [2020-11-30 01:12:52,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:52,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 115 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,810 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 [2020-11-30 01:12:52,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:52,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 116 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 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,839 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 [2020-11-30 01:12:52,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:52,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 117 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 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,866 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 [2020-11-30 01:12:52,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:52,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 118 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 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:52,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:52,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:52,952 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 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:52,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 120 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 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:52,981 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 [2020-11-30 01:12:52,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:52,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:52,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:52,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:52,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:52,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:52,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:52,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 121 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 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:53,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:53,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:53,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:53,037 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 122 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 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,063 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 [2020-11-30 01:12:53,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:53,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:53,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:53,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 123 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 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,089 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 [2020-11-30 01:12:53,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:53,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:53,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:53,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 124 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 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:53,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:53,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:53,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:53,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 125 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 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,144 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 [2020-11-30 01:12:53,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:53,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:53,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:53,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 126 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 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,173 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 [2020-11-30 01:12:53,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:53,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:53,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:53,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 127 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 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,201 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 [2020-11-30 01:12:53,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:53,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:53,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:53,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 128 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,230 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 [2020-11-30 01:12:53,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:53,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:53,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 129 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 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,265 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 [2020-11-30 01:12:53,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:53,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:53,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:53,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 130 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 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:12:53,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:12:53,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:12:53,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:12:53,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 131 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,319 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 [2020-11-30 01:12:53,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:53,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:53,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:53,418 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 [2020-11-30 01:12:53,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,421 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2020-11-30 01:12:53,421 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2020-11-30 01:12:53,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,529 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2020-11-30 01:12:53,529 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-11-30 01:12:53,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:53,749 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 [2020-11-30 01:12:53,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:53,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:53,795 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 [2020-11-30 01:12:53,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:53,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:53,847 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 [2020-11-30 01:12:53,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:53,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:53,898 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 [2020-11-30 01:12:53,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:12:53,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:53,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:53,953 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 [2020-11-30 01:12:53,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:12:53,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:12:53,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:12:53,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:53,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:12:53,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:12:54,026 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:12:54,099 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2020-11-30 01:12:54,099 INFO L444 ModelExtractionUtils]: 62 out of 91 variables were initially zero. Simplification set additionally 25 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819023ba-9a48-4cc5-8f30-8984ba58bcc5/bin/uautomizer/z3 Starting monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:12:54,102 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:12:54,105 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:12:54,105 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:12:54,106 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strspn_~a~0.base)_6, ULTIMATE.start_strcspn_~reject.offset) = -1*ULTIMATE.start_strcspn_~i~0 + 1*v_rep(select #length ULTIMATE.start_strspn_~a~0.base)_6 - 1*ULTIMATE.start_strcspn_~reject.offset Supporting invariants [] [2020-11-30 01:12:54,448 INFO L297 tatePredicateManager]: 52 out of 54 supporting invariants were superfluous and have been removed [2020-11-30 01:12:54,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 01:12:54,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:54,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-30 01:12:54,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:54,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:54,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:54,646 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2020-11-30 01:12:54,646 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand 7 states. [2020-11-30 01:12:54,770 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand 7 states. Result 81 states and 94 transitions. Complement of second has 9 states. [2020-11-30 01:12:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 5 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-30 01:12:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 34 transitions. [2020-11-30 01:12:54,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 32 letters. Loop has 4 letters. [2020-11-30 01:12:54,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:54,786 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-30 01:12:54,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:54,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-30 01:12:54,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:54,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:54,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:55,007 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2020-11-30 01:12:55,007 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand 7 states. [2020-11-30 01:12:55,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand 7 states. Result 81 states and 94 transitions. Complement of second has 9 states. [2020-11-30 01:12:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 5 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-30 01:12:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 34 transitions. [2020-11-30 01:12:55,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 32 letters. Loop has 4 letters. [2020-11-30 01:12:55,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:55,117 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-30 01:12:55,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:12:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:55,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-30 01:12:55,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:12:55,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:12:55,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:12:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:12:55,390 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2020-11-30 01:12:55,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand 7 states. [2020-11-30 01:12:55,567 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand 7 states. Result 84 states and 99 transitions. Complement of second has 8 states. [2020-11-30 01:12:55,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 5 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:12:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-30 01:12:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 42 transitions. [2020-11-30 01:12:55,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 32 letters. Loop has 4 letters. [2020-11-30 01:12:55,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:55,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 36 letters. Loop has 4 letters. [2020-11-30 01:12:55,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:55,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 32 letters. Loop has 8 letters. [2020-11-30 01:12:55,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:12:55,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 99 transitions. [2020-11-30 01:12:55,570 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:12:55,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 0 states and 0 transitions. [2020-11-30 01:12:55,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:12:55,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:12:55,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:12:55,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:12:55,571 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:12:55,571 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:12:55,571 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:12:55,571 INFO L427 BuchiCegarLoop]: ======== Iteration 15============ [2020-11-30 01:12:55,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:12:55,571 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:12:55,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:12:55,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:12:55 BoogieIcfgContainer [2020-11-30 01:12:55,577 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:12:55,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:12:55,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:12:55,578 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:12:55,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:09" (3/4) ... [2020-11-30 01:12:55,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:12:55,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:12:55,584 INFO L168 Benchmark]: Toolchain (without parser) took 47271.82 ms. Allocated memory was 79.7 MB in the beginning and 461.4 MB in the end (delta: 381.7 MB). Free memory was 45.5 MB in the beginning and 396.0 MB in the end (delta: -350.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:55,584 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 79.7 MB. Free memory was 51.4 MB in the beginning and 51.3 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:55,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.68 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.2 MB in the beginning and 62.1 MB in the end (delta: -16.9 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:55,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.03 ms. Allocated memory is still 96.5 MB. Free memory was 62.1 MB in the beginning and 60.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:55,586 INFO L168 Benchmark]: Boogie Preprocessor took 39.60 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 58.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:55,586 INFO L168 Benchmark]: RCFGBuilder took 710.65 ms. Allocated memory is still 96.5 MB. Free memory was 58.2 MB in the beginning and 58.6 MB in the end (delta: -412.2 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:55,587 INFO L168 Benchmark]: BuchiAutomizer took 45709.26 ms. Allocated memory was 96.5 MB in the beginning and 461.4 MB in the end (delta: 364.9 MB). Free memory was 58.2 MB in the beginning and 397.0 MB in the end (delta: -338.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:55,587 INFO L168 Benchmark]: Witness Printer took 5.04 ms. Allocated memory is still 461.4 MB. Free memory was 397.0 MB in the beginning and 396.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:55,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 79.7 MB. Free memory was 51.4 MB in the beginning and 51.3 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 728.68 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.2 MB in the beginning and 62.1 MB in the end (delta: -16.9 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.03 ms. Allocated memory is still 96.5 MB. Free memory was 62.1 MB in the beginning and 60.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.60 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 58.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 710.65 ms. Allocated memory is still 96.5 MB. Free memory was 58.2 MB in the beginning and 58.6 MB in the end (delta: -412.2 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 45709.26 ms. Allocated memory was 96.5 MB in the beginning and 461.4 MB in the end (delta: 364.9 MB). Free memory was 58.2 MB in the beginning and 397.0 MB in the end (delta: -338.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.04 ms. Allocated memory is still 461.4 MB. Free memory was 397.0 MB in the beginning and 396.0 MB in the end (delta: 1.0 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 14 terminating modules (8 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[in] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One nondeterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One nondeterministic module has affine ranking function -1 * i + unknown-#length-unknown[a] + -1 * reject and consists of 7 locations. 8 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.6s and 15 iterations. TraceHistogramMax:2. Analysis of lassos took 40.0s. Construction of modules took 1.0s. Büchi inclusion checks took 4.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 11. Automata minimization 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 215 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 66 states and ocurred in iteration 13. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 493 SDtfs, 1203 SDslu, 682 SDs, 0 SdLazy, 845 SolverSat, 159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI1 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital365 mio100 ax100 hnf99 lsp95 ukn76 mio100 lsp41 div112 bol100 ite100 ukn100 eq193 hnf83 smp100 dnf117 smp91 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 293ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 12 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 136 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...