./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.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_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 cd1d6be80620224d07434e02e12c771f8c62f3e2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:20:47,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:20:47,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:20:47,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:20:47,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:20:47,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:20:47,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:20:47,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:20:47,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:20:47,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:20:47,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:20:47,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:20:47,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:20:47,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:20:47,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:20:47,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:20:47,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:20:47,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:20:47,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:20:47,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:20:47,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:20:47,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:20:47,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:20:47,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:20:47,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:20:47,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:20:47,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:20:47,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:20:47,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:20:47,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:20:47,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:20:47,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:20:47,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:20:47,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:20:47,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:20:47,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:20:47,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:20:47,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:20:47,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:20:47,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:20:47,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:20:47,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:20:47,867 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:20:47,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:20:47,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:20:47,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:20:47,870 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:20:47,871 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:20:47,871 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:20:47,871 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:20:47,872 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:20:47,872 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:20:47,873 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:20:47,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:20:47,874 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:20:47,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:20:47,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:20:47,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:20:47,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:20:47,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:20:47,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:20:47,876 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:20:47,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:20:47,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:20:47,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:20:47,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:20:47,878 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:20:47,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:20:47,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:20:47,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:20:47,879 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:20:47,882 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:20:47,882 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_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd1d6be80620224d07434e02e12c771f8c62f3e2 [2020-11-30 01:20:48,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:20:48,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:20:48,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:20:48,270 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:20:48,271 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:20:48,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2020-11-30 01:20:48,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/data/1ee8bbcd4/b32d6eba577740f4901ea530caddac62/FLAGe46f493b9 [2020-11-30 01:20:49,012 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:20:49,013 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2020-11-30 01:20:49,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/data/1ee8bbcd4/b32d6eba577740f4901ea530caddac62/FLAGe46f493b9 [2020-11-30 01:20:49,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/data/1ee8bbcd4/b32d6eba577740f4901ea530caddac62 [2020-11-30 01:20:49,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:20:49,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:20:49,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:20:49,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:20:49,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:20:49,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1be81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49, skipping insertion in model container [2020-11-30 01:20:49,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:20:49,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:20:49,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:20:49,817 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:20:49,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:20:50,003 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:20:50,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50 WrapperNode [2020-11-30 01:20:50,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:20:50,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:20:50,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:20:50,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:20:50,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... [2020-11-30 01:20:50,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... [2020-11-30 01:20:50,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:20:50,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:20:50,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:20:50,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:20:50,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... [2020-11-30 01:20:50,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... [2020-11-30 01:20:50,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... [2020-11-30 01:20:50,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... [2020-11-30 01:20:50,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... [2020-11-30 01:20:50,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... [2020-11-30 01:20:50,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... [2020-11-30 01:20:50,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:20:50,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:20:50,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:20:50,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:20:50,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:20:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:20:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:20:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:20:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:20:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:20:50,878 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:20:50,878 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-30 01:20:50,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:50 BoogieIcfgContainer [2020-11-30 01:20:50,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:20:50,881 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:20:50,882 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:20:50,887 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:20:50,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:20:50,889 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:20:49" (1/3) ... [2020-11-30 01:20:50,890 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10017ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:20:50, skipping insertion in model container [2020-11-30 01:20:50,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:20:50,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:50" (2/3) ... [2020-11-30 01:20:50,892 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10017ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:20:50, skipping insertion in model container [2020-11-30 01:20:50,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:20:50,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:50" (3/3) ... [2020-11-30 01:20:50,894 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrncpy_reverse_alloca.i [2020-11-30 01:20:50,975 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:20:50,975 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:20:50,976 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:20:50,976 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:20:50,976 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:20:50,976 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:20:50,977 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:20:50,977 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:20:50,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-30 01:20:51,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:20:51,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:20:51,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:20:51,029 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-30 01:20:51,030 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:20:51,030 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:20:51,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-30 01:20:51,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 01:20:51,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:20:51,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:20:51,035 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-30 01:20:51,035 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:20:51,043 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 5#L385true assume !(main_~length~0 < 1); 7#L385-2true assume !(main_~n~0 < 1); 3#L388-1true call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset, 1);main_~nondetString~0.base, main_~nondetString~0.offset := main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~n~0 - 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 14#L370-2true [2020-11-30 01:20:51,044 INFO L796 eck$LassoCheckResult]: Loop: 14#L370-2true assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset - 1;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset - 1;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 9#L372true assume !(0 == cstrncpy_#t~mem208);havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~mem208;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset; 14#L370-2true [2020-11-30 01:20:51,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:51,053 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2020-11-30 01:20:51,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:51,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181321100] [2020-11-30 01:20:51,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:51,215 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:51,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:51,311 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:20:51,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:51,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2020-11-30 01:20:51,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:51,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117897032] [2020-11-30 01:20:51,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:51,355 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:51,374 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:51,378 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:20:51,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:51,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935768, now seen corresponding path program 1 times [2020-11-30 01:20:51,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:51,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331043785] [2020-11-30 01:20:51,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:51,457 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:51,505 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:51,535 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:20:51,679 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-11-30 01:20:52,199 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2020-11-30 01:20:52,409 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-30 01:20:52,436 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:20:52,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:20:52,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:20:52,437 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:20:52,437 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:20:52,437 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:52,437 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:20:52,437 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:20:52,437 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_reverse_alloca.i_Iteration1_Lasso [2020-11-30 01:20:52,438 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:20:52,438 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:20:52,464 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 01:20:52,476 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 01:20:52,484 INFO 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 01:20:52,490 INFO 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 01:20:52,495 INFO 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 01:20:52,504 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 01:20:52,507 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 01:20:52,511 INFO 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 01:20:52,514 INFO 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 01:20:52,518 INFO 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 01:20:52,521 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 01:20:52,524 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 01:20:52,527 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 01:20:52,534 INFO 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 01:20:52,539 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 01:20:52,543 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 01:20:52,548 INFO 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 01:20:52,552 INFO 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 01:20:52,564 INFO 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 01:20:53,098 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2020-11-30 01:20:53,326 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-11-30 01:20:53,328 INFO 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 01:20:53,333 INFO 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 01:20:53,336 INFO 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 01:20:54,188 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:20:54,197 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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) [2020-11-30 01:20:54,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:20:54,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:54,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:54,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:20:54,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:54,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:54,318 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 01:20:54,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:54,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:54,366 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 01:20:54,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:20:54,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:20:54,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:20:54,429 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 01:20:54,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:20:54,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:54,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:54,488 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 01:20:54,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:54,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:54,544 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 01:20:54,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:54,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:54,600 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 01:20:54,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:54,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:54,651 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 01:20:54,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,655 INFO L402 nArgumentSynthesizer]: A total of 0 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 01:20:54,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:54,706 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 01:20:54,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,710 INFO L402 nArgumentSynthesizer]: A total of 0 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 01:20:54,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:20:54,765 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 01:20:54,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:54,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:54,831 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 01:20:54,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:54,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:54,873 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 01:20:54,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:54,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:54,910 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 01:20:54,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:54,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:54,951 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 01:20:54,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:54,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:54,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:20:54,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:54,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:54,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:54,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:54,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:54,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:54,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:54,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:55,018 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 01:20:55,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:55,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:55,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:55,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:55,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:55,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:55,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:55,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:55,056 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 01:20:55,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:55,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:55,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:55,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:55,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:55,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:55,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:55,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:55,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:20:55,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:55,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:55,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:55,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:55,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:20:55,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:20:55,140 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:20:55,240 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-30 01:20:55,240 INFO L444 ModelExtractionUtils]: 26 out of 31 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:55,324 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 01:20:55,347 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 01:20:55,348 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:20:55,349 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~src~0.offset) = 2*ULTIMATE.start_cstrncpy_~src~0.offset + 1 Supporting invariants [] [2020-11-30 01:20:55,516 INFO L297 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2020-11-30 01:20:55,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:55,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:20:55,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:20:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:55,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:20:55,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:20:55,705 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 01:20:55,727 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-30 01:20:55,728 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2020-11-30 01:20:55,775 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 30 states and 40 transitions. Complement of second has 5 states. [2020-11-30 01:20:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:20:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 01:20:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-11-30 01:20:55,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-30 01:20:55,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:20:55,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-30 01:20:55,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:20:55,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2020-11-30 01:20:55,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:20:55,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2020-11-30 01:20:55,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:20:55,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 11 states and 14 transitions. [2020-11-30 01:20:55,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-11-30 01:20:55,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-11-30 01:20:55,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2020-11-30 01:20:55,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:20:55,807 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-11-30 01:20:55,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2020-11-30 01:20:55,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-11-30 01:20:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-30 01:20:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-11-30 01:20:55,843 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-30 01:20:55,844 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-30 01:20:55,844 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:20:55,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-11-30 01:20:55,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 01:20:55,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:20:55,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:20:55,847 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:55,847 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:20:55,847 INFO L794 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 149#L-1 havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 150#L385 assume !(main_~length~0 < 1); 154#L385-2 assume !(main_~n~0 < 1); 152#L388-1 call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset, 1);main_~nondetString~0.base, main_~nondetString~0.offset := main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~n~0 - 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 153#L370-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset - 1;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset - 1;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 147#L372 assume 0 == cstrncpy_#t~mem208;havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~mem208;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~n2~0 := cstrncpy_~n; 145#L375-3 [2020-11-30 01:20:55,848 INFO L796 eck$LassoCheckResult]: Loop: 145#L375-3 cstrncpy_#t~post209 := cstrncpy_~n2~0;cstrncpy_~n2~0 := cstrncpy_#t~post209 - 1; 146#L375-1 assume !!(0 != cstrncpy_#t~post209);havoc cstrncpy_#t~post209;cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset := cstrncpy_~us~0.base, cstrncpy_~us~0.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset - 1;call write~int(0, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, 1);havoc cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset; 145#L375-3 [2020-11-30 01:20:55,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:55,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935753, now seen corresponding path program 1 times [2020-11-30 01:20:55,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:55,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35857819] [2020-11-30 01:20:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:55,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:55,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:55,938 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:20:55,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:55,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2020-11-30 01:20:55,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:55,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943405617] [2020-11-30 01:20:55,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:55,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:55,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:55,952 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:20:55,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:55,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1298472078, now seen corresponding path program 1 times [2020-11-30 01:20:55,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:55,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482933144] [2020-11-30 01:20:55,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:56,002 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:20:56,043 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:20:56,062 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:20:56,968 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 126 [2020-11-30 01:20:57,216 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-30 01:20:57,219 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:20:57,219 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:20:57,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:20:57,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:20:57,220 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:20:57,220 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:57,220 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:20:57,220 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:20:57,220 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_reverse_alloca.i_Iteration2_Lasso [2020-11-30 01:20:57,220 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:20:57,220 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:20:57,225 INFO 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 01:20:57,238 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 01:20:57,249 INFO 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 01:20:57,252 INFO 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 01:20:57,254 INFO 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 01:20:57,259 INFO 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 01:20:57,262 INFO 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 01:20:57,265 INFO 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 01:20:57,268 INFO 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 01:20:57,273 INFO 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 01:20:57,277 INFO 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 01:20:57,280 INFO 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 01:20:57,283 INFO 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 01:20:57,287 INFO 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 01:20:57,843 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-11-30 01:20:58,000 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-11-30 01:20:58,001 INFO 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 01:20:58,007 INFO 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 01:20:58,013 INFO 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 01:20:58,016 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 01:20:58,026 INFO 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 01:20:58,738 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:20:58,739 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:58,746 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 01:20:58,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:58,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:58,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:58,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:58,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:58,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:58,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:58,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:58,780 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 01:20:58,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:58,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:58,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:58,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:58,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:58,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:58,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:58,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:58,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:20:58,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:58,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:58,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:58,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:58,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:58,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:58,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:58,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:58,849 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 01:20:58,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:58,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:58,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:58,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:58,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:58,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:58,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:58,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:58,882 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 01:20:58,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:58,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:58,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:58,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:58,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:20:58,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:20:58,896 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:58,926 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 01:20:58,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:58,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:58,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:58,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:58,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:58,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:58,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:58,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:58,957 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 01:20:58,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:58,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:58,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:58,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:58,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:58,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:58,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:58,961 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:58,986 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 01:20:58,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:58,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:58,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:58,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:58,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:58,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:58,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:58,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:59,018 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 01:20:59,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:59,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:59,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:59,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:59,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:20:59,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:20:59,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:59,049 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 01:20:59,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:59,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:59,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:59,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:59,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:59,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:59,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:59,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:59,080 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 01:20:59,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:59,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:59,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:59,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:59,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:59,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:59,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:59,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:59,112 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 01:20:59,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:59,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:59,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:59,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:59,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:59,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:59,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:20:59,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:59,192 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 01:20:59,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:59,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:20:59,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:59,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:20:59,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:20:59,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:20:59,196 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 01:20:59,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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 01:20:59,252 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 01:20:59,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:20:59,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:20:59,256 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:20:59,256 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 01:20:59,295 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-30 01:20:59,295 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:20:59,363 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:20:59,541 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2020-11-30 01:20:59,541 INFO L444 ModelExtractionUtils]: 21 out of 66 variables were initially zero. Simplification set additionally 42 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43cffa75-6ea4-4c7a-b35a-e0e2fd644d20/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) [2020-11-30 01:20:59,547 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:20:59,553 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-11-30 01:20:59,554 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:20:59,554 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n2~0) = 1*ULTIMATE.start_cstrncpy_~n2~0 Supporting invariants [1*ULTIMATE.start_cstrncpy_~n2~0 >= 0] [2020-11-30 01:20:59,651 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-11-30 01:20:59,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:59,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:20:59,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:20:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:59,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:20:59,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:20:59,798 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 01:20:59,799 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 01:20:59,799 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-30 01:20:59,940 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 13 states and 16 transitions. Complement of second has 5 states. [2020-11-30 01:20:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2020-11-30 01:20:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 01:20:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-11-30 01:20:59,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-30 01:20:59,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:20:59,942 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-30 01:20:59,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:00,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:21:00,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:00,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:21:00,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:00,097 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 01:21:00,098 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-30 01:21:00,098 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-30 01:21:00,156 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 12 states and 16 transitions. Complement of second has 5 states. [2020-11-30 01:21:00,157 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 01:21:00,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 01:21:00,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2020-11-30 01:21:00,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-30 01:21:00,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:21:00,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2020-11-30 01:21:00,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:21:00,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 4 letters. [2020-11-30 01:21:00,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:21:00,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2020-11-30 01:21:00,160 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:21:00,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-11-30 01:21:00,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:21:00,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:21:00,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:21:00,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:21:00,161 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:21:00,161 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:21:00,161 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:21:00,161 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 01:21:00,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:21:00,161 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:21:00,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:21:00,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:21:00 BoogieIcfgContainer [2020-11-30 01:21:00,170 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:21:00,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:21:00,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:21:00,174 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:21:00,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:50" (3/4) ... [2020-11-30 01:21:00,178 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:21:00,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:21:00,180 INFO L168 Benchmark]: Toolchain (without parser) took 10882.68 ms. Allocated memory was 88.1 MB in the beginning and 176.2 MB in the end (delta: 88.1 MB). Free memory was 58.1 MB in the beginning and 125.9 MB in the end (delta: -67.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:00,180 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory is still 45.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:21:00,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.58 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 48.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:00,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.31 ms. Allocated memory is still 88.1 MB. Free memory was 48.0 MB in the beginning and 46.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:21:00,187 INFO L168 Benchmark]: Boogie Preprocessor took 45.97 ms. Allocated memory is still 88.1 MB. Free memory was 46.2 MB in the beginning and 45.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:00,188 INFO L168 Benchmark]: RCFGBuilder took 744.43 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 45.0 MB in the beginning and 88.8 MB in the end (delta: -43.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:00,190 INFO L168 Benchmark]: BuchiAutomizer took 9288.85 ms. Allocated memory was 121.6 MB in the beginning and 176.2 MB in the end (delta: 54.5 MB). Free memory was 88.5 MB in the beginning and 125.9 MB in the end (delta: -37.4 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:00,190 INFO L168 Benchmark]: Witness Printer took 4.93 ms. Allocated memory is still 176.2 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:21:00,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory is still 45.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 706.58 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 48.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.31 ms. Allocated memory is still 88.1 MB. Free memory was 48.0 MB in the beginning and 46.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.97 ms. Allocated memory is still 88.1 MB. Free memory was 46.2 MB in the beginning and 45.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 744.43 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 45.0 MB in the beginning and 88.8 MB in the end (delta: -43.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9288.85 ms. Allocated memory was 121.6 MB in the beginning and 176.2 MB in the end (delta: 54.5 MB). Free memory was 88.5 MB in the beginning and 125.9 MB in the end (delta: -37.4 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.93 ms. Allocated memory is still 176.2 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * src + 1 and consists of 4 locations. One deterministic module has affine ranking function n2 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [1, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 36 SDtfs, 36 SDslu, 24 SDs, 0 SdLazy, 12 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital236 mio100 ax100 hnf99 lsp97 ukn86 mio100 lsp35 div100 bol100 ite100 ukn100 eq196 hnf89 smp100 dnf115 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 313ms VariablesStem: 12 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...